From e0f663b432ec11127c5e7c6955999680f8fdb9af Mon Sep 17 00:00:00 2001 From: <> Date: Tue, 15 Oct 2024 17:41:18 +0000 Subject: [PATCH] Deployed 97fe981 with MkDocs version: 1.6.1 --- 404.html | 2 +- ai/BaseFunctionClient/index.html | 2 +- ai/DatabricksFunctionClient/index.html | 4 +- ai/index.html | 4 +- ...9c5b6415.min.js => bundle.203fd0bc.min.js} | 2 +- assets/stylesheets/main.12320a83.min.css | 1 + assets/stylesheets/main.fd1ad6e4.min.css | 1 - basic-server-access-control/index.html | 4 +- cli/AuthCli/index.html | 4 +- cli/CatalogCli/index.html | 2 +- cli/CliUtils/index.html | 4 +- cli/DeltaKernelUtils/index.html | 4 +- cli/DeltaKernelWriteUtils/index.html | 4 +- cli/FunctionCli/index.html | 4 +- cli/ModelCli/index.html | 4 +- cli/ModelVersionCli/index.html | 2 +- cli/PermissionCli/index.html | 4 +- cli/PythonInvoker/index.html | 2 +- cli/SchemaCli/index.html | 2 +- cli/TableCli/index.html | 4 +- cli/UnityCatalogCli/index.html | 4 +- cli/UserCli/index.html | 4 +- cli/VolumeCli/index.html | 2 +- cli/index.html | 4 +- client/ApiClient/index.html | 4 +- client/index.html | 2 +- contenders/index.html | 2 +- .../AwsCredentialVendor/index.html | 2 +- .../AzureCredentialVendor/index.html | 2 +- .../CredentialContext/index.html | 4 +- .../CredentialOperations/index.html | 4 +- .../GcpCredentialVendor/index.html | 2 +- credential-vending/index.html | 2 +- demo/crud-external-delta-table/index.html | 4 +- demo/index.html | 2 +- .../index.html | 4 +- .../index.html | 4 +- demo/spark-connector/index.html | 4 +- docker/index.html | 4 +- features/index.html | 4 +- iceberg/FileIOFactory/index.html | 2 +- iceberg/IcebergRestCatalogService/index.html | 4 +- iceberg/MetadataService/index.html | 4 +- iceberg/TableConfigService/index.html | 2 +- iceberg/index.html | 2 +- index.html | 2 +- logging/index.html | 4 +- .../AuthCallbackHandler/index.html | 2 +- .../Oauth2CliExchange/index.html | 4 +- oauth2-authentication/index.html | 4 +- .../CatalogRepository/index.html | 2 +- persistent-storage/FileUtils/index.html | 2 +- .../FunctionRepository/index.html | 4 +- persistent-storage/HibernateUtil/index.html | 4 +- persistent-storage/HibernateUtils/index.html | 2 +- .../MetastoreRepository/index.html | 2 +- persistent-storage/ModelRepository/index.html | 4 +- .../PagedListingHelper/index.html | 2 +- persistent-storage/RepositoryUtils/index.html | 4 +- .../SchemaRepository/index.html | 4 +- persistent-storage/TableRepository/index.html | 4 +- persistent-storage/UriUtils/index.html | 2 +- persistent-storage/UserRepository/index.html | 2 +- .../VolumeRepository/index.html | 2 +- persistent-storage/index.html | 2 +- search/search_index.json | 2 +- .../AllowingAuthorizer/index.html | 2 +- server-authorization/AuthDecorator/index.html | 4 +- .../AuthorizeExpression/index.html | 2 +- server-authorization/IdentityUtils/index.html | 2 +- .../JCasbinAuthorizer/index.html | 4 +- .../JwksOperations/index.html | 2 +- server-authorization/KeyMapperUtil/index.html | 4 +- .../SecurityConfiguration/index.html | 2 +- .../SecurityContext/index.html | 6 +- .../UnityAccessDecorator/index.html | 4 +- .../UnityAccessEvaluator/index.html | 4 +- .../UnityAccessUtil/index.html | 2 +- .../UnityCatalogAuthorizer/index.html | 4 +- server-authorization/index.html | 4 +- server/AuthService/index.html | 4 +- server/CatalogService/index.html | 4 +- server/CreateCatalog/index.html | 2 +- server/CreateTable/index.html | 2 +- server/FunctionService/index.html | 4 +- .../index.html | 2 +- server/ModelService/index.html | 4 +- server/PermissionService/index.html | 4 +- server/SchemaService/index.html | 2 +- server/Scim2UserService/index.html | 4 +- server/ServerPropertiesUtils/index.html | 4 +- server/TableService/index.html | 4 +- .../index.html | 4 +- .../index.html | 4 +- .../index.html | 4 +- .../index.html | 4 +- server/UnityCatalogServer/index.html | 4 +- server/VolumeService/index.html | 2 +- server/index.html | 4 +- sitemap.xml | 196 +++++++++--------- sitemap.xml.gz | Bin 1028 -> 1029 bytes .../GcsVendedTokenProvider/index.html | 4 +- spark-connector/UCProxy/index.html | 4 +- spark-connector/UCSingleCatalog/index.html | 4 +- spark-connector/index.html | 2 +- 105 files changed, 261 insertions(+), 259 deletions(-) rename assets/javascripts/{bundle.9c5b6415.min.js => bundle.203fd0bc.min.js} (99%) create mode 100644 assets/stylesheets/main.12320a83.min.css delete mode 100644 assets/stylesheets/main.fd1ad6e4.min.css diff --git a/404.html b/404.html index a1c4e24..d00a25a 100644 --- a/404.html +++ b/404.html @@ -1 +1 @@ - The Internals of Unity Catalog

404 - Not found

\ No newline at end of file + The Internals of Unity Catalog

404 - Not found

\ No newline at end of file diff --git a/ai/BaseFunctionClient/index.html b/ai/BaseFunctionClient/index.html index aaf82a2..85f3a2a 100644 --- a/ai/BaseFunctionClient/index.html +++ b/ai/BaseFunctionClient/index.html @@ -1 +1 @@ - BaseFunctionClient - The Internals of Unity Catalog
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BaseFunctionClient

BaseFunctionClient is...FIXME

\ No newline at end of file + BaseFunctionClient - The Internals of Unity Catalog
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BaseFunctionClient

BaseFunctionClient is...FIXME

\ No newline at end of file diff --git a/ai/DatabricksFunctionClient/index.html b/ai/DatabricksFunctionClient/index.html index 414fd90..17512dc 100644 --- a/ai/DatabricksFunctionClient/index.html +++ b/ai/DatabricksFunctionClient/index.html @@ -1,7 +1,7 @@ - DatabricksFunctionClient - The Internals of Unity Catalog
Skip to content

DatabricksFunctionClient

DatabricksFunctionClient is a BaseFunctionClient.

create_function

create_function(
+ DatabricksFunctionClient - The Internals of Unity Catalog      
 
 
   
 
 
 
 
 
 
  
 
 
 
 
 
  
 
 
 
  
 
DatabricksFunctionClient
 
DatabricksFunctionClient is a BaseFunctionClient.
 
create_function
 
create_function(
   self,
   *,
   sql_function_body: Optional[str] = None,
   function_info: Optional["CreateFunction"] = None,
 ) -> "FunctionInfo"
-
 
 
  
  
  
 
 
 
    
\ No newline at end of file
+
\ No newline at end of file diff --git a/ai/index.html b/ai/index.html index 8842b06..e69acd0 100644 --- a/ai/index.html +++ b/ai/index.html @@ -1,3 +1,3 @@ - Unity Catalog AI Core Library - The Internals of Unity Catalog
Skip to content

Unity Catalog AI Core Library

Unity Catalog AI Core Library is a Python library for Unity Catalog AI support.

Note

Unity Catalog AI Core Library was added to Unity Catalog as part of this commit.

Databricks Function Client Support

DatabricksFunctionClient

from ucai.core.databricks import DatabricksFunctionClient
+ Unity Catalog AI Core Library - The Internals of Unity Catalog      
 
 
   
 
 
 
 
 
 
  
 
 
 
 
 
  
 
 
 
  
 
Unity Catalog AI Core Library
 
Unity Catalog AI Core Library is a Python library for Unity Catalog AI support.
 
 
Note
 
Unity Catalog AI Core Library was added to Unity Catalog as part of this commit.
 
 
Databricks Function Client Support
 
DatabricksFunctionClient
 
from ucai.core.databricks import DatabricksFunctionClient
 client = DatabricksFunctionClient()
-
 
 
Note
 
Added in this commit.
 
 
 
  
  
  
 
 
 
    
\ No newline at end of file
+

Note

Added in this commit.

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circle{fill:var(--md-mermaid-label-bg-color)}.actor{fill:var(--md-mermaid-sequence-actor-bg-color);stroke:var(--md-mermaid-sequence-actor-border-color)}text.actor>tspan{fill:var(--md-mermaid-sequence-actor-fg-color);font-family:var(--md-mermaid-font-family)}line{stroke:var(--md-mermaid-sequence-actor-line-color)}.actor-man circle,.actor-man line{fill:var(--md-mermaid-sequence-actorman-bg-color);stroke:var(--md-mermaid-sequence-actorman-line-color)}.messageLine0,.messageLine1{stroke:var(--md-mermaid-sequence-message-line-color)}.note{fill:var(--md-mermaid-sequence-note-bg-color);stroke:var(--md-mermaid-sequence-note-border-color)}.loopText,.loopText>tspan,.messageText,.noteText>tspan{stroke:none;font-family:var(--md-mermaid-font-family)!important}.messageText{fill:var(--md-mermaid-sequence-message-fg-color)}.loopText,.loopText>tspan{fill:var(--md-mermaid-sequence-loop-fg-color)}.noteText>tspan{fill:var(--md-mermaid-sequence-note-fg-color)}#arrowhead path{fill:var(--md-mermaid-sequence-message-line-color);stroke:none}.loopLine{fill:var(--md-mermaid-sequence-loop-bg-color);stroke:var(--md-mermaid-sequence-loop-border-color)}.labelBox{fill:var(--md-mermaid-sequence-label-bg-color);stroke:none}.labelText,.labelText>span{fill:var(--md-mermaid-sequence-label-fg-color);font-family:var(--md-mermaid-font-family)}.sequenceNumber{fill:var(--md-mermaid-sequence-number-fg-color)}rect.rect{fill:var(--md-mermaid-sequence-box-bg-color);stroke:none}rect.rect+text.text{fill:var(--md-mermaid-sequence-box-fg-color)}defs #sequencenumber{fill:var(--md-mermaid-sequence-number-bg-color)!important}";var so,is=0;function as(){return typeof mermaid=="undefined"||mermaid instanceof Element?At("https://unpkg.com/mermaid@11/dist/mermaid.min.js"):$(void 0)}function Zn(e){return 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T,c=a.pipe(oe(),ae(!0));z([a,Le(e),mt(e)]).pipe(D(c),$e(1,ye)).subscribe({next([{active:p},l]){let f=Be(p),{width:u}=de(p);e.style.setProperty("--md-indicator-x",`${f.x}px`),e.style.setProperty("--md-indicator-width",`${u}px`);let d=gr(o);(f.xd.x+l.width)&&o.scrollTo({left:Math.max(0,f.x-16),behavior:"smooth"})},complete(){e.style.removeProperty("--md-indicator-x"),e.style.removeProperty("--md-indicator-width")}}),z([Ge(o),Le(o)]).pipe(D(c)).subscribe(([p,l])=>{let f=Ct(o);i.hidden=p.x<16,s.hidden=p.x>f.width-l.width-16}),L(h(i,"click").pipe(m(()=>-1)),h(s,"click").pipe(m(()=>1))).pipe(D(c)).subscribe(p=>{let{width:l}=de(o);o.scrollBy({left:l*p,behavior:"smooth"})}),r.pipe(D(c),g(p=>n.includes(p))).subscribe(p=>p.click()),o.classList.add("tabbed-labels--linked");for(let p of n){let l=j(`label[for="${p.id}"]`);l.replaceChildren(x("a",{href:`#${l.htmlFor}`,tabIndex:-1},...Array.from(l.childNodes))),h(l.firstElementChild,"click").pipe(D(c),g(f=>!(f.metaKey||f.ctrlKey)),O(f=>{f.preventDefault(),f.stopPropagation()})).subscribe(()=>{history.replaceState({},"",`#${l.htmlFor}`),l.click()})}return V("content.tabs.link")&&a.pipe(Ie(1),te(t)).subscribe(([{active:p},{offset:l}])=>{let f=p.innerText.trim();if(p.hasAttribute("data-md-switching"))p.removeAttribute("data-md-switching");else{let u=e.offsetTop-l.y;for(let v of M("[data-tabs]"))for(let S of M(":scope > input",v)){let X=j(`label[for="${S.id}"]`);if(X!==p&&X.innerText.trim()===f){X.setAttribute("data-md-switching",""),S.click();break}}window.scrollTo({top:e.offsetTop-u});let d=__md_get("__tabs")||[];__md_set("__tabs",[...new Set([f,...d])])}}),a.pipe(D(c)).subscribe(()=>{for(let p of M("audio, video",e))p.pause()}),ss(n).pipe(O(p=>a.next(p)),A(()=>a.complete()),m(p=>R({ref:e},p)))}).pipe(et(pe))}function oi(e,t){let{viewport$:r,target$:o,print$:n}=t;return L(...M(".annotate:not(.highlight)",e).map(i=>zn(i,{target$:o,print$:n})),...M("pre:not(.mermaid) > code",e).map(i=>Yn(i,{target$:o,print$:n})),...M("a:not([title])",e).map(i=>Jn(i,t)),...M("pre.mermaid",e).map(i=>Zn(i)),...M("table:not([class])",e).map(i=>ti(i)),...M("details",e).map(i=>Bn(i,{target$:o,print$:n})),...M("[data-tabs]",e).map(i=>ri(i,{viewport$:r,target$:o})),...M("[title]",e).filter(()=>V("content.tooltips")).map(i=>Xe(i,{viewport$:r})),...M(".footnote-ref",e).filter(()=>V("content.footnote.tooltips")).map(i=>Nt(i,{content$:new F(s=>{let a=new URL(i.href).hash.slice(1),c=Array.from(document.getElementById(a).cloneNode(!0).children),p=wr(...c);return s.next(p),document.body.append(p),()=>p.remove()}),viewport$:r})))}function cs(e,{alert$:t}){return t.pipe(b(r=>L($(!0),$(!1).pipe(nt(2e3))).pipe(m(o=>({message:r,active:o})))))}function ni(e,t){let r=j(".md-typeset",e);return H(()=>{let o=new T;return 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ms({viewport$:e}){if(!V("header.autohide"))return $(!1);let t=e.pipe(m(({offset:{y:n}})=>n),ot(2,1),m(([n,i])=>[nMath.abs(i-n.y)>100),m(([,[n]])=>n),Y()),o=Je("search");return z([e,o]).pipe(m(([{offset:n},i])=>n.y>400&&!i),Y(),b(n=>n?r:$(!1)),Q(!1))}function ai(e,t){return H(()=>z([Le(e),ms(t)])).pipe(m(([{height:r},o])=>({height:r,hidden:o})),Y((r,o)=>r.height===o.height&&r.hidden===o.hidden),Z(1))}function si(e,{header$:t,main$:r}){return H(()=>{let o=new T,n=o.pipe(oe(),ae(!0));o.pipe(ne("active"),Re(t)).subscribe(([{active:s},{hidden:a}])=>{e.classList.toggle("md-header--shadow",s&&!a),e.hidden=a});let i=fe(M("[title]",e)).pipe(g(()=>V("content.tooltips")),J(s=>ii(s)));return r.subscribe(o),t.pipe(D(n),m(s=>R({ref:e},s)),Ve(i.pipe(D(n))))})}function fs(e,{viewport$:t,header$:r}){return Er(e,{viewport$:t,header$:r}).pipe(m(({offset:{y:o}})=>{let{height:n}=de(e);return{active:o>=n}}),ne("active"))}function ci(e,t){return H(()=>{let r=new T;r.subscribe({next({active:n}){e.classList.toggle("md-header__title--active",n)},complete(){e.classList.remove("md-header__title--active")}});let o=ue(".md-content h1");return typeof o=="undefined"?y:fs(o,t).pipe(O(n=>r.next(n)),A(()=>r.complete()),m(n=>R({ref:e},n)))})}function pi(e,{viewport$:t,header$:r}){let o=r.pipe(m(({height:i})=>i),Y()),n=o.pipe(b(()=>Le(e).pipe(m(({height:i})=>({top:e.offsetTop,bottom:e.offsetTop+i})),ne("bottom"))));return z([o,n,t]).pipe(m(([i,{top:s,bottom:a},{offset:{y:c},size:{height:p}}])=>(p=Math.max(0,p-Math.max(0,s-c,i)-Math.max(0,p+c-a)),{offset:s-i,height:p,active:s-i<=c})),Y((i,s)=>i.offset===s.offset&&i.height===s.height&&i.active===s.active))}function us(e){let t=__md_get("__palette")||{index:e.findIndex(o=>matchMedia(o.getAttribute("data-md-color-media")).matches)},r=Math.max(0,Math.min(t.index,e.length-1));return $(...e).pipe(J(o=>h(o,"change").pipe(m(()=>o))),Q(e[r]),m(o=>({index:e.indexOf(o),color:{media:o.getAttribute("data-md-color-media"),scheme:o.getAttribute("data-md-color-scheme"),primary:o.getAttribute("data-md-color-primary"),accent:o.getAttribute("data-md-color-accent")}})),Z(1))}function li(e){let t=M("input",e),r=x("meta",{name:"theme-color"});document.head.appendChild(r);let o=x("meta",{name:"color-scheme"});document.head.appendChild(o);let n=Wt("(prefers-color-scheme: light)");return H(()=>{let i=new T;return i.subscribe(s=>{if(document.body.setAttribute("data-md-color-switching",""),s.color.media==="(prefers-color-scheme)"){let a=matchMedia("(prefers-color-scheme: light)"),c=document.querySelector(a.matches?"[data-md-color-media='(prefers-color-scheme: light)']":"[data-md-color-media='(prefers-color-scheme: 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fi(e,t){return e.protocol=t.protocol,e.hostname=t.hostname,e}function ds(e,t){let r=new Map;for(let o of M("url",e)){let n=j("loc",o),i=[fi(new URL(n.textContent),t)];r.set(`${i[0]}`,i);for(let s of M("[rel=alternate]",o)){let a=s.getAttribute("href");a!=null&&i.push(fi(new URL(a),t))}}return r}function Ht(e){return En(new URL("sitemap.xml",e)).pipe(m(t=>ds(t,new URL(e))),ve(()=>$(new Map)),le())}function ui({document$:e}){let t=new Map;e.pipe(b(()=>M("link[rel=alternate]")),m(r=>new URL(r.href)),g(r=>!t.has(r.toString())),J(r=>Ht(r).pipe(m(o=>[r,o]),ve(()=>y)))).subscribe(([r,o])=>{t.set(r.toString().replace(/\/$/,""),o)}),h(document.body,"click").pipe(g(r=>!r.metaKey&&!r.ctrlKey),b(r=>{if(r.target instanceof Element){let o=r.target.closest("a");if(o&&!o.target){let n=[...t].find(([f])=>o.href.startsWith(`${f}/`));if(typeof n=="undefined")return y;let[i,s]=n,a=we();if(a.href.startsWith(i))return y;let c=Te(),p=a.href.replace(c.base,"");p=`${i}/${p}`;let l=s.has(p.split("#")[0])?new 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rect.divider{fill:var(--md-default-fg-color--lightest);stroke:var(--md-default-fg-color--lighter)}defs #statediagram-barbEnd{stroke:var(--md-mermaid-edge-color)}.attributeBoxEven,.attributeBoxOdd{fill:var(--md-mermaid-node-bg-color);stroke:var(--md-mermaid-node-fg-color)}.entityBox{fill:var(--md-mermaid-label-bg-color);stroke:var(--md-mermaid-node-fg-color)}.entityLabel{fill:var(--md-mermaid-label-fg-color);font-family:var(--md-mermaid-font-family)}.relationshipLabelBox{fill:var(--md-mermaid-label-bg-color);fill-opacity:1;background-color:var(--md-mermaid-label-bg-color);opacity:1}.relationshipLabel{fill:var(--md-mermaid-label-fg-color)}.relationshipLine{stroke:var(--md-mermaid-edge-color)}defs #ONE_OR_MORE_END *,defs #ONE_OR_MORE_START *,defs #ONLY_ONE_END *,defs #ONLY_ONE_START *,defs #ZERO_OR_MORE_END *,defs #ZERO_OR_MORE_START *,defs #ZERO_OR_ONE_END *,defs #ZERO_OR_ONE_START *{stroke:var(--md-mermaid-edge-color)!important}defs #ZERO_OR_MORE_END circle,defs #ZERO_OR_MORE_START circle{fill:var(--md-mermaid-label-bg-color)}.actor{fill:var(--md-mermaid-sequence-actor-bg-color);stroke:var(--md-mermaid-sequence-actor-border-color)}text.actor>tspan{fill:var(--md-mermaid-sequence-actor-fg-color);font-family:var(--md-mermaid-font-family)}line{stroke:var(--md-mermaid-sequence-actor-line-color)}.actor-man circle,.actor-man line{fill:var(--md-mermaid-sequence-actorman-bg-color);stroke:var(--md-mermaid-sequence-actorman-line-color)}.messageLine0,.messageLine1{stroke:var(--md-mermaid-sequence-message-line-color)}.note{fill:var(--md-mermaid-sequence-note-bg-color);stroke:var(--md-mermaid-sequence-note-border-color)}.loopText,.loopText>tspan,.messageText,.noteText>tspan{stroke:none;font-family:var(--md-mermaid-font-family)!important}.messageText{fill:var(--md-mermaid-sequence-message-fg-color)}.loopText,.loopText>tspan{fill:var(--md-mermaid-sequence-loop-fg-color)}.noteText>tspan{fill:var(--md-mermaid-sequence-note-fg-color)}#arrowhead path{fill:var(--md-mermaid-sequence-message-line-color);stroke:none}.loopLine{fill:var(--md-mermaid-sequence-loop-bg-color);stroke:var(--md-mermaid-sequence-loop-border-color)}.labelBox{fill:var(--md-mermaid-sequence-label-bg-color);stroke:none}.labelText,.labelText>span{fill:var(--md-mermaid-sequence-label-fg-color);font-family:var(--md-mermaid-font-family)}.sequenceNumber{fill:var(--md-mermaid-sequence-number-fg-color)}rect.rect{fill:var(--md-mermaid-sequence-box-bg-color);stroke:none}rect.rect+text.text{fill:var(--md-mermaid-sequence-box-fg-color)}defs #sequencenumber{fill:var(--md-mermaid-sequence-number-bg-color)!important}";var so,is=0;function as(){return typeof mermaid=="undefined"||mermaid instanceof Element?At("https://unpkg.com/mermaid@11/dist/mermaid.min.js"):$(void 0)}function Zn(e){return e.classList.remove("mermaid"),so||(so=as().pipe(O(()=>mermaid.initialize({startOnLoad:!1,themeCSS:Xn,sequence:{actorFontSize:"16px",messageFontSize:"16px",noteFontSize:"16px"}})),m(()=>{}),Z(1))),so.subscribe(()=>go(this,null,function*(){e.classList.add("mermaid");let t=`__mermaid_${is++}`,r=x("div",{class:"mermaid"}),o=e.textContent,{svg:n,fn:i}=yield mermaid.render(t,o),s=r.attachShadow({mode:"closed"});s.innerHTML=n,e.replaceWith(r),i==null||i(s)})),so.pipe(m(()=>({ref:e})))}var ei=x("table");function ti(e){return e.replaceWith(ei),ei.replaceWith(Un(e)),$({ref:e})}function ss(e){let t=e.find(r=>r.checked)||e[0];return L(...e.map(r=>h(r,"change").pipe(m(()=>j(`label[for="${r.id}"]`))))).pipe(Q(j(`label[for="${t.id}"]`)),m(r=>({active:r})))}function ri(e,{viewport$:t,target$:r}){let o=j(".tabbed-labels",e),n=M(":scope > input",e),i=no("prev");e.append(i);let s=no("next");return e.append(s),H(()=>{let a=new T,c=a.pipe(oe(),ae(!0));z([a,Le(e),mt(e)]).pipe(D(c),$e(1,ye)).subscribe({next([{active:p},l]){let f=Be(p),{width:u}=de(p);e.style.setProperty("--md-indicator-x",`${f.x}px`),e.style.setProperty("--md-indicator-width",`${u}px`);let d=gr(o);(f.xd.x+l.width)&&o.scrollTo({left:Math.max(0,f.x-16),behavior:"smooth"})},complete(){e.style.removeProperty("--md-indicator-x"),e.style.removeProperty("--md-indicator-width")}}),z([Ge(o),Le(o)]).pipe(D(c)).subscribe(([p,l])=>{let f=Ct(o);i.hidden=p.x<16,s.hidden=p.x>f.width-l.width-16}),L(h(i,"click").pipe(m(()=>-1)),h(s,"click").pipe(m(()=>1))).pipe(D(c)).subscribe(p=>{let{width:l}=de(o);o.scrollBy({left:l*p,behavior:"smooth"})}),r.pipe(D(c),g(p=>n.includes(p))).subscribe(p=>p.click()),o.classList.add("tabbed-labels--linked");for(let p of n){let l=j(`label[for="${p.id}"]`);l.replaceChildren(x("a",{href:`#${l.htmlFor}`,tabIndex:-1},...Array.from(l.childNodes))),h(l.firstElementChild,"click").pipe(D(c),g(f=>!(f.metaKey||f.ctrlKey)),O(f=>{f.preventDefault(),f.stopPropagation()})).subscribe(()=>{history.replaceState({},"",`#${l.htmlFor}`),l.click()})}return V("content.tabs.link")&&a.pipe(Ie(1),te(t)).subscribe(([{active:p},{offset:l}])=>{let f=p.innerText.trim();if(p.hasAttribute("data-md-switching"))p.removeAttribute("data-md-switching");else{let u=e.offsetTop-l.y;for(let v of M("[data-tabs]"))for(let S of M(":scope > input",v)){let X=j(`label[for="${S.id}"]`);if(X!==p&&X.innerText.trim()===f){X.setAttribute("data-md-switching",""),S.click();break}}window.scrollTo({top:e.offsetTop-u});let d=__md_get("__tabs")||[];__md_set("__tabs",[...new Set([f,...d])])}}),a.pipe(D(c)).subscribe(()=>{for(let p of M("audio, video",e))p.pause()}),ss(n).pipe(O(p=>a.next(p)),A(()=>a.complete()),m(p=>R({ref:e},p)))}).pipe(et(pe))}function oi(e,t){let{viewport$:r,target$:o,print$:n}=t;return L(...M(".annotate:not(.highlight)",e).map(i=>zn(i,{target$:o,print$:n})),...M("pre:not(.mermaid) > code",e).map(i=>Yn(i,{target$:o,print$:n})),...M("a:not([title])",e).map(i=>Jn(i,t)),...M("pre.mermaid",e).map(i=>Zn(i)),...M("table:not([class])",e).map(i=>ti(i)),...M("details",e).map(i=>Bn(i,{target$:o,print$:n})),...M("[data-tabs]",e).map(i=>ri(i,{viewport$:r,target$:o})),...M("[title]",e).filter(()=>V("content.tooltips")).map(i=>Xe(i,{viewport$:r})),...M(".footnote-ref",e).filter(()=>V("content.footnote.tooltips")).map(i=>Nt(i,{content$:new F(s=>{let a=new URL(i.href).hash.slice(1),c=Array.from(document.getElementById(a).cloneNode(!0).children),p=wr(...c);return s.next(p),document.body.append(p),()=>p.remove()}),viewport$:r})))}function cs(e,{alert$:t}){return t.pipe(b(r=>L($(!0),$(!1).pipe(nt(2e3))).pipe(m(o=>({message:r,active:o})))))}function ni(e,t){let r=j(".md-typeset",e);return H(()=>{let o=new T;return 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i.subscribe({next({offset:s}){o.style.setProperty("--md-tooltip-x",`${s.x}px`),o.style.setProperty("--md-tooltip-y",`${s.y}px`)},complete(){o.style.removeProperty("--md-tooltip-x"),o.style.removeProperty("--md-tooltip-y")}}),L(i.pipe(g(({active:s})=>s)),i.pipe(Ae(250),g(({active:s})=>!s))).subscribe({next({active:s}){s?(e.insertAdjacentElement("afterend",o),e.setAttribute("aria-describedby",r),e.removeAttribute("title")):(o.remove(),e.removeAttribute("aria-describedby"),e.setAttribute("title",t))},complete(){o.remove(),e.removeAttribute("aria-describedby"),e.setAttribute("title",t)}}),i.pipe($e(16,ye)).subscribe(({active:s})=>{o.classList.toggle("md-tooltip--active",s)}),i.pipe(gt(125,ye),g(()=>!!e.offsetParent),m(()=>e.offsetParent.getBoundingClientRect()),m(({x:s})=>s)).subscribe({next(s){s?o.style.setProperty("--md-tooltip-0",`${-s}px`):o.style.removeProperty("--md-tooltip-0")},complete(){o.style.removeProperty("--md-tooltip-0")}}),ls(o,e).pipe(O(s=>i.next(s)),A(()=>i.complete()),m(s=>R({ref:e},s)))}).pipe(et(pe))}function ms({viewport$:e}){if(!V("header.autohide"))return $(!1);let t=e.pipe(m(({offset:{y:n}})=>n),ot(2,1),m(([n,i])=>[nMath.abs(i-n.y)>100),m(([,[n]])=>n),Y()),o=Je("search");return z([e,o]).pipe(m(([{offset:n},i])=>n.y>400&&!i),Y(),b(n=>n?r:$(!1)),Q(!1))}function ai(e,t){return H(()=>z([Le(e),ms(t)])).pipe(m(([{height:r},o])=>({height:r,hidden:o})),Y((r,o)=>r.height===o.height&&r.hidden===o.hidden),Z(1))}function si(e,{header$:t,main$:r}){return H(()=>{let o=new T,n=o.pipe(oe(),ae(!0));o.pipe(ne("active"),Re(t)).subscribe(([{active:s},{hidden:a}])=>{e.classList.toggle("md-header--shadow",s&&!a),e.hidden=a});let i=fe(M("[title]",e)).pipe(g(()=>V("content.tooltips")),J(s=>ii(s)));return r.subscribe(o),t.pipe(D(n),m(s=>R({ref:e},s)),Ve(i.pipe(D(n))))})}function fs(e,{viewport$:t,header$:r}){return Er(e,{viewport$:t,header$:r}).pipe(m(({offset:{y:o}})=>{let{height:n}=de(e);return{active:o>=n}}),ne("active"))}function ci(e,t){return H(()=>{let r=new T;r.subscribe({next({active:n}){e.classList.toggle("md-header__title--active",n)},complete(){e.classList.remove("md-header__title--active")}});let o=ue(".md-content h1");return typeof o=="undefined"?y:fs(o,t).pipe(O(n=>r.next(n)),A(()=>r.complete()),m(n=>R({ref:e},n)))})}function pi(e,{viewport$:t,header$:r}){let o=r.pipe(m(({height:i})=>i),Y()),n=o.pipe(b(()=>Le(e).pipe(m(({height:i})=>({top:e.offsetTop,bottom:e.offsetTop+i})),ne("bottom"))));return z([o,n,t]).pipe(m(([i,{top:s,bottom:a},{offset:{y:c},size:{height:p}}])=>(p=Math.max(0,p-Math.max(0,s-c,i)-Math.max(0,p+c-a)),{offset:s-i,height:p,active:s-i<=c})),Y((i,s)=>i.offset===s.offset&&i.height===s.height&&i.active===s.active))}function us(e){let t=__md_get("__palette")||{index:e.findIndex(o=>matchMedia(o.getAttribute("data-md-color-media")).matches)},r=Math.max(0,Math.min(t.index,e.length-1));return $(...e).pipe(J(o=>h(o,"change").pipe(m(()=>o))),Q(e[r]),m(o=>({index:e.indexOf(o),color:{media:o.getAttribute("data-md-color-media"),scheme:o.getAttribute("data-md-color-scheme"),primary:o.getAttribute("data-md-color-primary"),accent:o.getAttribute("data-md-color-accent")}})),Z(1))}function li(e){let t=M("input",e),r=x("meta",{name:"theme-color"});document.head.appendChild(r);let o=x("meta",{name:"color-scheme"});document.head.appendChild(o);let n=Wt("(prefers-color-scheme: light)");return H(()=>{let i=new T;return i.subscribe(s=>{if(document.body.setAttribute("data-md-color-switching",""),s.color.media==="(prefers-color-scheme)"){let a=matchMedia("(prefers-color-scheme: light)"),c=document.querySelector(a.matches?"[data-md-color-media='(prefers-color-scheme: light)']":"[data-md-color-media='(prefers-color-scheme: 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fi(e,t){return e.protocol=t.protocol,e.hostname=t.hostname,e}function ds(e,t){let r=new Map;for(let o of M("url",e)){let n=j("loc",o),i=[fi(new URL(n.textContent),t)];r.set(`${i[0]}`,i);for(let s of M("[rel=alternate]",o)){let a=s.getAttribute("href");a!=null&&i.push(fi(new URL(a),t))}}return r}function Ht(e){return En(new URL("sitemap.xml",e)).pipe(m(t=>ds(t,new URL(e))),ve(()=>$(new Map)),le())}function ui({document$:e}){let t=new Map;e.pipe(b(()=>M("link[rel=alternate]")),m(r=>new URL(r.href)),g(r=>!t.has(r.toString())),J(r=>Ht(r).pipe(m(o=>[r,o]),ve(()=>y)))).subscribe(([r,o])=>{t.set(r.toString().replace(/\/$/,""),o)}),h(document.body,"click").pipe(g(r=>!r.metaKey&&!r.ctrlKey),b(r=>{if(r.target instanceof Element){let o=r.target.closest("a");if(o&&!o.target){let n=[...t].find(([f])=>o.href.startsWith(`${f}/`));if(typeof n=="undefined")return y;let[i,s]=n,a=we();if(a.href.startsWith(i))return y;let c=Te(),p=a.href.replace(c.base,"");p=`${i}/${p}`;let l=s.has(p.split("#")[0])?new 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.tabbed-set>input:nth-child(4):checked~.tabbed-content>:nth-child(4),.md-typeset .tabbed-set>input:nth-child(5):checked~.tabbed-content>:nth-child(5),.md-typeset .tabbed-set>input:nth-child(6):checked~.tabbed-content>:nth-child(6),.md-typeset .tabbed-set>input:nth-child(7):checked~.tabbed-content>:nth-child(7),.md-typeset .tabbed-set>input:nth-child(8):checked~.tabbed-content>:nth-child(8),.md-typeset .tabbed-set>input:nth-child(9):checked~.tabbed-content>:nth-child(9){display:block}:root{--md-tasklist-icon:url('data:image/svg+xml;charset=utf-8,');--md-tasklist-icon--checked:url('data:image/svg+xml;charset=utf-8,')}.md-typeset .task-list-item{list-style-type:none;position:relative}[dir=ltr] .md-typeset .task-list-item [type=checkbox]{left:-2em}[dir=rtl] .md-typeset .task-list-item [type=checkbox]{right:-2em}.md-typeset .task-list-item [type=checkbox]{position:absolute;top:.45em}.md-typeset .task-list-control [type=checkbox]{opacity:0;z-index:-1}[dir=ltr] .md-typeset .task-list-indicator:before{left:-1.5em}[dir=rtl] .md-typeset .task-list-indicator:before{right:-1.5em}.md-typeset .task-list-indicator:before{background-color:var(--md-default-fg-color--lightest);content:"";height:1.25em;-webkit-mask-image:var(--md-tasklist-icon);mask-image:var(--md-tasklist-icon);-webkit-mask-position:center;mask-position:center;-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;-webkit-mask-size:contain;mask-size:contain;position:absolute;top:.15em;width:1.25em}.md-typeset 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0}.md-typeset .grid{grid-gap:.4rem;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,16rem),1fr));margin:1em 0}.md-typeset .grid.cards>ol,.md-typeset .grid.cards>ul{display:contents}.md-typeset .grid.cards>ol>li,.md-typeset .grid.cards>ul>li,.md-typeset .grid>.card{border:.05rem solid var(--md-default-fg-color--lightest);border-radius:.1rem;display:block;margin:0;padding:.8rem;transition:border .25s,box-shadow .25s}.md-typeset .grid.cards>ol>li:focus-within,.md-typeset .grid.cards>ol>li:hover,.md-typeset .grid.cards>ul>li:focus-within,.md-typeset .grid.cards>ul>li:hover,.md-typeset .grid>.card:focus-within,.md-typeset .grid>.card:hover{border-color:#0000;box-shadow:var(--md-shadow-z2)}.md-typeset .grid.cards>ol>li>hr,.md-typeset .grid.cards>ul>li>hr,.md-typeset .grid>.card>hr{margin-bottom:1em;margin-top:1em}.md-typeset .grid.cards>ol>li>:first-child,.md-typeset .grid.cards>ul>li>:first-child,.md-typeset .grid>.card>:first-child{margin-top:0}.md-typeset .grid.cards>ol>li>:last-child,.md-typeset .grid.cards>ul>li>:last-child,.md-typeset .grid>.card>:last-child{margin-bottom:0}.md-typeset .grid>*,.md-typeset .grid>.admonition,.md-typeset .grid>.highlight>*,.md-typeset .grid>.highlighttable,.md-typeset .grid>.md-typeset details,.md-typeset .grid>details,.md-typeset .grid>pre{margin-bottom:0;margin-top:0}.md-typeset .grid>.highlight>pre:only-child,.md-typeset .grid>.highlight>pre>code,.md-typeset .grid>.highlighttable,.md-typeset .grid>.highlighttable>tbody,.md-typeset .grid>.highlighttable>tbody>tr,.md-typeset .grid>.highlighttable>tbody>tr>.code,.md-typeset .grid>.highlighttable>tbody>tr>.code>.highlight,.md-typeset .grid>.highlighttable>tbody>tr>.code>.highlight>pre,.md-typeset .grid>.highlighttable>tbody>tr>.code>.highlight>pre>code{height:100%}.md-typeset .grid>.tabbed-set{margin-bottom:0;margin-top:0}@media screen and (min-width:45em){[dir=ltr] .md-typeset .inline{float:left}[dir=rtl] .md-typeset .inline{float:right}[dir=ltr] .md-typeset .inline{margin-right:.8rem}[dir=rtl] .md-typeset .inline{margin-left:.8rem}.md-typeset .inline{margin-bottom:.8rem;margin-top:0;width:11.7rem}[dir=ltr] .md-typeset .inline.end{float:right}[dir=rtl] .md-typeset .inline.end{float:left}[dir=ltr] .md-typeset .inline.end{margin-left:.8rem;margin-right:0}[dir=rtl] .md-typeset .inline.end{margin-left:0;margin-right:.8rem}} \ No newline at end of file diff --git a/basic-server-access-control/index.html b/basic-server-access-control/index.html index 55c8dee..ac68d99 100644 --- a/basic-server-access-control/index.html +++ b/basic-server-access-control/index.html @@ -1,4 +1,4 @@ - Basic Server Access Control - The Internals of Unity Catalog

Basic Server Access Control

Basic Server Access Control adds access controls to the Unity Catalog server endpoints.

  • Access control is optionally enabled through server configuration (server.authorization=enable)
  • Resource endpoints all have access control rules that match access rules for Databricks Unity Catalog.
  • An access control is defined by a principal, a resource and a privilege.
  • Principals are currently only user entities.
  • Access controls are hierarchically applied.
  • A privilege assigned to a resource for a principal is active for all the children.
  • A command-line interface is available to add, update, and delete authorizations.
  • The root of the hierarchy is a catalog.
  • There is a new concept of a metastore, which is primarily a resource to assign server-level privileges with.
Note

Basic Server Access Control is available since this commit.

Privileges

The initial set of privileges are as follows:

Privilege Description
CREATE CATALOG Allows the principal to create catalogs
USE CATALOG Allows the principal to access/use a catalog
CREATE SCHEMA Allows the principal to create schemas within a catalog
USE SCHEMA Allows the principal to access/use the schema and child tables
CREATE_TABLE Allows the principal to create tables in the schema
SELECT Allows the principal to run queries against table(s)
CREATE_FUNCTION Allows principal to create functions in the schema
EXECUTE Allows the principal to execute function(s)
CREATE_VOLUME Allows principal to create volumes in the schema
READ VOLUME Allows the principal to access volumes within the catalog
CREATE MODEL Allows the principal to create models within a schema

Unity Catalog CLI

The CLI interface provides a new permission command.

./bin/uc permission create \
+ Basic Server Access Control - The Internals of Unity Catalog      
 
 
   
 
 
 
 
 
 
  
 
 
 
 
 
  
 
 
 
  
 
Basic Server Access Control
 
Basic Server Access Control adds access controls to the Unity Catalog server endpoints.
 
     
  • Access control is optionally enabled through server configuration (server.authorization=enable)
    •  
  • Resource endpoints all have access control rules that match access rules for Databricks Unity Catalog.
    •  
  • An access control is defined by a principal, a resource and a privilege.
    •  
  • Principals are currently only user entities.
    •  
  • Access controls are hierarchically applied.
    •  
  • A privilege assigned to a resource for a principal is active for all the children.
    •  
  • A command-line interface is available to add, update, and delete authorizations.
    •  
  • The root of the hierarchy is a catalog.
    •  
  • There is a new concept of a metastore, which is primarily a resource to assign server-level privileges with.
    •  
 
 Note 
Basic Server Access Control is available since this commit.
 
 
Privileges
 
The initial set of privileges are as follows:
 
  
 Privilege Description 
   
 CREATE CATALOG Allows the principal to create catalogs 
 
 USE CATALOG Allows the principal to access/use a catalog 
 
 CREATE SCHEMA Allows the principal to create schemas within a catalog 
 
 USE SCHEMA Allows the principal to access/use the schema and child tables 
 
 CREATE_TABLE Allows the principal to create tables in the schema 
 
 SELECT Allows the principal to run queries against table(s) 
 
 CREATE_FUNCTION Allows principal to create functions in the schema 
 
 EXECUTE Allows the principal to execute function(s) 
 
 CREATE_VOLUME Allows principal to create volumes in the schema 
 
 READ VOLUME Allows the principal to access volumes within the catalog 
 
 CREATE MODEL Allows the principal to create models within a schema 
  
 
Unity Catalog CLI
 
The CLI interface provides a new permission command.
 
./bin/uc permission create \
   --securable_type catalog \
   --name mycatalog \
   --principal user@myorg.com \
@@ -11,4 +11,4 @@
   --name mycatalog.myschema.table \
   --principal user@myorg.com \
   --privilege SELECT
-
 
Framework
 
Basic Server Access Control is based on a framework that attempts to separate the concern of access control from the rest of the request handling and processing through annotation-based configuration, via @AuthorizeExpression, @AuthorizeKey and @AuthorizeKeys added to each service entry point.
 
All requests are routed through the UnityAccessDecorator which decodes the request, parameters and authorization configuration to evaluate whether access should be allowed or denied.
 
 
  
  
  
 
 
 
    
\ No newline at end of file
+

Framework

Basic Server Access Control is based on a framework that attempts to separate the concern of access control from the rest of the request handling and processing through annotation-based configuration, via @AuthorizeExpression, @AuthorizeKey and @AuthorizeKeys added to each service entry point.

All requests are routed through the UnityAccessDecorator which decodes the request, parameters and authorization configuration to evaluate whether access should be allowed or denied.

\ No newline at end of file diff --git a/cli/AuthCli/index.html b/cli/AuthCli/index.html index e2490a7..9616902 100644 --- a/cli/AuthCli/index.html +++ b/cli/AuthCli/index.html @@ -1,4 +1,4 @@ - AuthCli - The Internals of Unity Catalog

AuthCli

AuthCli is used by UnityCatalogCli to handle auth sub-commands.

$ ./bin/uc auth --help
+ AuthCli - The Internals of Unity Catalog      
 
 
   
 
 
 
 
 
 
  
 
 
 
 
 
  
 
 
 
  
 
AuthCli
 
AuthCli is used by UnityCatalogCli to handle auth sub-commands.
 
$ ./bin/uc auth --help
 Please provide a valid sub-command for auth.
 Valid sub-commands for auth are: login
 For detailed help on auth sub-commands, use bin/uc auth <sub-command> --help
@@ -14,4 +14,4 @@
 
 
login creates a Oauth2CliExchange to authenticate (and create an identity token).
 
In the end, login doExchange with the identity token as the value of identityToken key in the login input map).
 
 
login is used when:
  
doExchange
 
String doExchange(
   ApiClient apiClient,
   Map<String, String> login)
-
 
doExchange requests the given ApiClient for the base URI to access /auth/tokens API endpoint with the following query parameters:
 
  
 Query Parameter Value 
   
 grant_type urn:ietf:params:oauth:grant-type:token-exchange 
 
 requested_token_type urn:ietf:params:oauth:token-type:access_token 
 
 subject_token_type urn:ietf:params:oauth:token-type:id_token 
 
 subject_token The value of identityToken in the given login collection 
  
 
doExchange sends a POST request to /auth/tokens API endpoint with application/x-www-form-urlencoded content type.
 
In the end, doExchange creates a LoginInfo with access_token (from the response).
 
 
  
  
  
 
 
 
    
\ No newline at end of file
+

doExchange requests the given ApiClient for the base URI to access /auth/tokens API endpoint with the following query parameters:

Query Parameter Value
grant_type urn:ietf:params:oauth:grant-type:token-exchange
requested_token_type urn:ietf:params:oauth:token-type:access_token
subject_token_type urn:ietf:params:oauth:token-type:id_token
subject_token The value of identityToken in the given login collection

doExchange sends a POST request to /auth/tokens API endpoint with application/x-www-form-urlencoded content type.

In the end, doExchange creates a LoginInfo with access_token (from the response).

\ No newline at end of file diff --git a/cli/CatalogCli/index.html b/cli/CatalogCli/index.html index 81022a7..a4a26a0 100644 --- a/cli/CatalogCli/index.html +++ b/cli/CatalogCli/index.html @@ -1 +1 @@ - CatalogCli - The Internals of Unity Catalog

CatalogCli

CatalogCli...FIXME

\ No newline at end of file + CatalogCli - The Internals of Unity Catalog

CatalogCli

CatalogCli...FIXME

\ No newline at end of file diff --git a/cli/CliUtils/index.html b/cli/CliUtils/index.html index 4c5b338..a24253d 100644 --- a/cli/CliUtils/index.html +++ b/cli/CliUtils/index.html @@ -1,5 +1,5 @@ - CliUtils - The Internals of Unity Catalog

CliUtils

postProcessAndPrintOutput

void postProcessAndPrintOutput(
+ CliUtils - The Internals of Unity Catalog      
 
 
   
 
 
 
 
 
 
  
 
 
 
 
 
  
 
 
 
  
 
CliUtils
 
postProcessAndPrintOutput
 
void postProcessAndPrintOutput(
   CommandLine cmd,
   String output,
   String subCommand)
-
 
postProcessAndPrintOutput...FIXME
 
 
postProcessAndPrintOutput is used by the CLI handlers:
  
 
  
  
  
 
 
 
    
\ No newline at end of file
+

postProcessAndPrintOutput...FIXME

postProcessAndPrintOutput is used by the CLI handlers:

\ No newline at end of file diff --git a/cli/DeltaKernelUtils/index.html b/cli/DeltaKernelUtils/index.html index 0965af9..7ee43f3 100644 --- a/cli/DeltaKernelUtils/index.html +++ b/cli/DeltaKernelUtils/index.html @@ -1,5 +1,5 @@ - DeltaKernelUtils - The Internals of Unity Catalog

DeltaKernelUtils

createDeltaTable

String createDeltaTable(
+ DeltaKernelUtils - The Internals of Unity Catalog      
 
 
   
 
 
 
 
 
 
  
 
 
 
 
 
  
 
 
 
  
 
DeltaKernelUtils
 
createDeltaTable
 
String createDeltaTable(
   String tablePath,
   List<ColumnInfo> columns,
   AwsCredentials awsTempCredentials)
-
 
createDeltaTable...FIXME
 
 
createDeltaTable is used when:
  
 
  
  
  
 
 
 
    
\ No newline at end of file
+

createDeltaTable...FIXME

createDeltaTable is used when:

\ No newline at end of file diff --git a/cli/DeltaKernelWriteUtils/index.html b/cli/DeltaKernelWriteUtils/index.html index b67d272..4b6aae0 100644 --- a/cli/DeltaKernelWriteUtils/index.html +++ b/cli/DeltaKernelWriteUtils/index.html @@ -1,5 +1,5 @@ - DeltaKernelWriteUtils - The Internals of Unity Catalog

DeltaKernelWriteUtils

Write Out Sample Data to Delta Table

String writeSampleDataToDeltaTable(
+ DeltaKernelWriteUtils - The Internals of Unity Catalog      
 
 
   
 
 
 
 
 
 
  
 
 
 
 
 
  
 
 
 
  
 
DeltaKernelWriteUtils
 
Write Out Sample Data to Delta Table
 
String writeSampleDataToDeltaTable(
   String tablePath,
   List<ColumnInfo> columns,
   AwsCredentials tempCredentialResponse)
-
 
writeSampleDataToDeltaTable...FIXME
 
 
writeSampleDataToDeltaTable is used when:
  
 
  
  
  
 
 
 
    
\ No newline at end of file
+

writeSampleDataToDeltaTable...FIXME

writeSampleDataToDeltaTable is used when:

\ No newline at end of file diff --git a/cli/FunctionCli/index.html b/cli/FunctionCli/index.html index c818a7b..c15d027 100644 --- a/cli/FunctionCli/index.html +++ b/cli/FunctionCli/index.html @@ -1,4 +1,4 @@ - FunctionCli - The Internals of Unity Catalog

FunctionCli

Handling Command Line

void handle(
+ FunctionCli - The Internals of Unity Catalog      
 
 
   
 
 
 
 
 
 
  
 
 
 
 
 
  
 
 
 
  
 
FunctionCli
 
Handling Command Line
 
void handle(
   CommandLine cmd,
   ApiClient apiClient)
 
 
handle handles the given cmd.
 
  
 Subcommand Params Handler 
   
 call full_name executeFunction 
 
 get full_name getFunction 
 
 ...    
  
 
 
handle is used when:
  
Executing Function
 
String executeFunction(
@@ -74,4 +74,4 @@
   "function_id" : "6b587147-128f-4f05-8a4f-173a18831bdf",
   "external_language" : "python"
 }
-
 
 
  
  
  
 
 
 
    
\ No newline at end of file
+
\ No newline at end of file diff --git a/cli/ModelCli/index.html b/cli/ModelCli/index.html index ac11cb6..b6c495c 100644 --- a/cli/ModelCli/index.html +++ b/cli/ModelCli/index.html @@ -1,4 +1,4 @@ - ModelCli - The Internals of Unity Catalog

ModelCli

ModelCli is used by UnityCatalogCli to handle registered_model sub-commands.

❯ ./bin/uc registered_model --help
+ ModelCli - The Internals of Unity Catalog      
 
 
   
 
 
 
 
 
 
  
 
 
 
 
 
  
 
 
 
  
 
ModelCli
 
ModelCli is used by UnityCatalogCli to handle registered_model sub-commands.
 
❯ ./bin/uc registered_model --help
 Please provide a valid sub-command for registered_model.
 Valid sub-commands for registered_model are: get, create, update, list, delete
 For detailed help on registered_model sub-commands, use bin/uc registered_model <sub-command> --help
@@ -38,4 +38,4 @@
 ├───────────────────────────────┼──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┤
 │MODEL_ID                       │2e852506-4c70-4364-9c5e-d4a7ad9863ac                                                                                                  │
 └───────────────────────────────┴──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
-
 
 
 
Note
 
RegisteredModelsApi sents POST HTTP requests to /api/2.1/unity-catalog/models endpoint.
\ No newline at end of file +

Note

RegisteredModelsApi sents POST HTTP requests to /api/2.1/unity-catalog/models endpoint.

\ No newline at end of file diff --git a/cli/ModelVersionCli/index.html b/cli/ModelVersionCli/index.html index da86ee6..308add5 100644 --- a/cli/ModelVersionCli/index.html +++ b/cli/ModelVersionCli/index.html @@ -1 +1 @@ - ModelVersionCli - The Internals of Unity Catalog

ModelVersionCli

ModelVersionCli...FIXME

\ No newline at end of file + ModelVersionCli - The Internals of Unity Catalog

ModelVersionCli

ModelVersionCli...FIXME

\ No newline at end of file diff --git a/cli/PermissionCli/index.html b/cli/PermissionCli/index.html index 2b77a4a..8d324b1 100644 --- a/cli/PermissionCli/index.html +++ b/cli/PermissionCli/index.html @@ -1,4 +1,4 @@ - PermissionCli - The Internals of Unity Catalog

PermissionCli

PermissionCli is used by UnityCatalogCli to handle permission sub-commands.

$ ./bin/uc permission --help
+ PermissionCli - The Internals of Unity Catalog      
 
 
   
 
 
 
 
 
 
  
 
 
 
 
 
  
 
 
 
  
 
PermissionCli
 
PermissionCli is used by UnityCatalogCli to handle permission sub-commands.
 
$ ./bin/uc permission --help
 Please provide a valid sub-command for permission.
 Valid sub-commands for permission are: get, create, delete
 For detailed help on permission sub-commands, use bin/uc permission <sub-command> --help
@@ -18,4 +18,4 @@
   --auth_token PAT token to authorize uc requests.
   --output To indicate CLI output format preference. Supported values are json and jsonPretty.
   --principal The target principal of the permission change
-
 
 
getPermission extracts the following command-line options from the given JSONObject:
 
     
  • securable_type
    •  
  • name
    •  
  • principal
    •  
 
getPermission requests the GrantsApi for the privilege assignments of the given name (of securable_type type).
 
 
  
  
  
 
 
 
    
\ No newline at end of file
+

getPermission extracts the following command-line options from the given JSONObject:

  • securable_type
  • name
  • principal

getPermission requests the GrantsApi for the privilege assignments of the given name (of securable_type type).

\ No newline at end of file diff --git a/cli/PythonInvoker/index.html b/cli/PythonInvoker/index.html index 13834c9..857ed49 100644 --- a/cli/PythonInvoker/index.html +++ b/cli/PythonInvoker/index.html @@ -1 +1 @@ - PythonInvoker - The Internals of Unity Catalog

PythonInvoker

\ No newline at end of file + PythonInvoker - The Internals of Unity Catalog

PythonInvoker

\ No newline at end of file diff --git a/cli/SchemaCli/index.html b/cli/SchemaCli/index.html index 57f91ab..5c514fb 100644 --- a/cli/SchemaCli/index.html +++ b/cli/SchemaCli/index.html @@ -1 +1 @@ - SchemaCli - The Internals of Unity Catalog

SchemaCli

SchemaCli...FIXME

\ No newline at end of file + SchemaCli - The Internals of Unity Catalog

SchemaCli

SchemaCli...FIXME

\ No newline at end of file diff --git a/cli/TableCli/index.html b/cli/TableCli/index.html index aacb9c2..143c3a7 100644 --- a/cli/TableCli/index.html +++ b/cli/TableCli/index.html @@ -1,4 +1,4 @@ - TableCli - The Internals of Unity Catalog

TableCli

TableCli is used by UnityCatalogCli to handle table sub-commands.

$ ./bin/uc table --help
+ TableCli - The Internals of Unity Catalog      
 
 
   
 
 
 
 
 
 
  
 
 
 
 
 
  
 
 
 
  
 
TableCli
 
TableCli is used by UnityCatalogCli to handle table sub-commands.
 
$ ./bin/uc table --help
 Please provide a valid sub-command for table.
 Valid sub-commands for table are: read, get, create, list, write, delete
 For detailed help on table sub-commands, use bin/uc table <sub-command> --help
@@ -27,4 +27,4 @@
   TemporaryTableCredentialsApi temporaryTableCredentialsApi,
   TablesApi tablesApi,
   JSONObject json)
-
 
 
Only delta tables supported
 
writeTable can only write to delta tables (with DELTA format in the catalog).
 
 
writeTable looks up the table (by the full_name parameter).
 
writeTable requests temporary table credentials for READ_WRITE operation on the table.
 
Only for a delta table, writeTable writes out sample data.
 
 
  
  
  
 
 
 
    
\ No newline at end of file
+

Only delta tables supported

writeTable can only write to delta tables (with DELTA format in the catalog).

writeTable looks up the table (by the full_name parameter).

writeTable requests temporary table credentials for READ_WRITE operation on the table.

Only for a delta table, writeTable writes out sample data.

\ No newline at end of file diff --git a/cli/UnityCatalogCli/index.html b/cli/UnityCatalogCli/index.html index 79dce41..609a9fa 100644 --- a/cli/UnityCatalogCli/index.html +++ b/cli/UnityCatalogCli/index.html @@ -1,4 +1,4 @@ - UnityCatalogCli - The Internals of Unity Catalog

UnityCatalogCli

UnityCatalogCli can be launched on command line using ./bin/uc command-line utility.

Options

auth_token

Personal access token (PAT) to authorize requests

When specified, UnityCatalogCli creates an ApiClient that adds the bearer token in the HTTP Authorization header to every request.

authorization: Bearer [pat]
+ UnityCatalogCli - The Internals of Unity Catalog      
 
 
   
 
 
 
 
 
 
  
 
 
 
 
 
  
 
 
 
  
 
UnityCatalogCli
 
UnityCatalogCli can be launched on command line using ./bin/uc command-line utility.
 
Options
 
auth_token
 
Personal access token (PAT) to authorize requests
 
When specified, UnityCatalogCli creates an ApiClient that adds the bearer token in the HTTP Authorization header to every request.
 
authorization: Bearer [pat]
 
 
server
 
Default: http://localhost:8080
 
Launching Standalone Application
 
main creates an ApiClient and handles the command (specified as the first argument on command line).
 
  
 Command Handler 
   
 auth AuthCli 
 
 catalog CatalogCli 
 
 function FunctionCli 
 
 model_version ModelVersionCli 
 
 permission PermissionCli 
 
 registered_model ModelCli 
 
 schema SchemaCli 
 
 table TableCli 
 
 user UserCli 
 
 volume VolumeCli 
  
 
Creating ApiClient
 
ApiClient getApiClient(
   CommandLine cmd)
-
 
getApiClient creates an ApiClient with the following:
 
  
 Attribute Value 
   
 The host name of the UC service server option 
 
 The port number of the UC service The port from the server option, if specified, or one of the following: 
  • 443 for https scheme
  • 8080 for http scheme
 
  
 
Logging
 
UnityCatalogCli uses etc/conf/cli.log4j2.properties as the logging configuration file (via log4j.configurationFile configuration property).
 
 
  
  
  
 
 
 
    
\ No newline at end of file
+

getApiClient creates an ApiClient with the following:

Attribute Value
The host name of the UC service server option
The port number of the UC service The port from the server option, if specified, or one of the following:
  • 443 for https scheme
  • 8080 for http scheme

Logging

UnityCatalogCli uses etc/conf/cli.log4j2.properties as the logging configuration file (via log4j.configurationFile configuration property).

\ No newline at end of file diff --git a/cli/UserCli/index.html b/cli/UserCli/index.html index e1d6e77..ac405dd 100644 --- a/cli/UserCli/index.html +++ b/cli/UserCli/index.html @@ -1,8 +1,8 @@ - UserCli - The Internals of Unity Catalog

UserCli

UserCli is used by UnityCatalogCli to handle user sub-commands.

$ ./bin/uc user --help
+ UserCli - The Internals of Unity Catalog      
 
 
   
 
 
 
 
 
 
  
 
 
 
 
 
  
 
 
 
  
 
UserCli
 
UserCli is used by UnityCatalogCli to handle user sub-commands.
 
$ ./bin/uc user --help
 Please provide a valid sub-command for user.
 Valid sub-commands for user are: get, create, update, list, delete
 For detailed help on user sub-commands, use bin/uc user <sub-command> --help
 
 
Handle Command Line
 
void handle(
   CommandLine cmd,
   ApiClient apiClient)
-
 
handle handles the given cmd.
 
handle creates a UsersApi (with the given ApiClient).
 
  
 Subcommand Handler API Handlers 
   
 create createUser UsersApi 
 
 delete deleteUser UsersApi 
 
 get getUser UsersApi 
 
 list listUsers UsersApi 
 
 update updateUser UsersApi 
  
 
 
handle is used when:
  
 
  
  
  
 
 
 
    
\ No newline at end of file
+

handle handles the given cmd.

handle creates a UsersApi (with the given ApiClient).

Subcommand Handler API Handlers
create createUser UsersApi
delete deleteUser UsersApi
get getUser UsersApi
list listUsers UsersApi
update updateUser UsersApi

handle is used when:

\ No newline at end of file diff --git a/cli/VolumeCli/index.html b/cli/VolumeCli/index.html index a3720d5..f19717c 100644 --- a/cli/VolumeCli/index.html +++ b/cli/VolumeCli/index.html @@ -1 +1 @@ - VolumeCli - The Internals of Unity Catalog

VolumeCli

VolumeCli...FIXME

\ No newline at end of file + VolumeCli - The Internals of Unity Catalog

VolumeCli

VolumeCli...FIXME

\ No newline at end of file diff --git a/cli/index.html b/cli/index.html index fd2918a..1920797 100644 --- a/cli/index.html +++ b/cli/index.html @@ -1,4 +1,4 @@ - Unity Catalog CLI - The Internals of Unity Catalog

Unity Catalog CLI

Unity Catalog CLI can be started using ./bin/uc command-line utility that runs UnityCatalogCli.

$ ./bin/uc --help
+ Unity Catalog CLI - The Internals of Unity Catalog      
 
 
   
 
 
 
 
 
 
  
 
 
 
 
 
  
 
 
 
  
 
Unity Catalog CLI
 
Unity Catalog CLI can be started using ./bin/uc command-line utility that runs UnityCatalogCli.
 
$ ./bin/uc --help
 
 Usage: bin/uc <entity> <operation> [options]
 Entities: schema, volume, model_version, auth, catalog, function, registered_model, user, table
@@ -21,4 +21,4 @@
 ├─────────────────┼────────────┼────────────┼────────────┼────────────┼────────────┼────────────┼────────────┼────────────┼────────────┼────────────┼────────────────────────────────────┤
 │marksheet        │unity       │default     │MANAGED     │DELTA       │[{"name":...│file:///U...│Managed t...│{"key1":"...│172042953...│172042953...│25ca07aa-1350-4104-b485-13b9ad1f5d72│
 └─────────────────┴────────────┴────────────┴────────────┴────────────┴────────────┴────────────┴────────────┴────────────┴────────────┴────────────┴────────────────────────────────────┘
-
 
Read-Write Support for Delta Tables Only
 
Only delta tables are supported for read and write operations.
 
 
  
  
  
 
 
 
    
\ No newline at end of file
+

Read-Write Support for Delta Tables Only

Only delta tables are supported for read and write operations.

\ No newline at end of file diff --git a/client/ApiClient/index.html b/client/ApiClient/index.html index c15329d..2cbe797 100644 --- a/client/ApiClient/index.html +++ b/client/ApiClient/index.html @@ -1,3 +1,3 @@ - ApiClient - The Internals of Unity Catalog

ApiClient

ApiClient is an API client of Unity Catalog Localhost Reference Server.

OpenAPI Generator

ApiClient was auto-generated using OpenAPI Generator based on Unity Catalog's OpenAPI specification.

sbt-openapi-generator 7.5.0 is used in the client sbt module of the unitycatalog project.

ApiClient uses http://localhost:8080/api/2.1/unity-catalog as the default base URI (unless overriden).

ApiClient is used by UnityCatalogCli.

updateBaseUri

void updateBaseUri(
+ ApiClient - The Internals of Unity Catalog      
 
 
   
 
 
 
 
 
 
  
 
 
 
 
 
  
 
 
 
  
 
ApiClient
 
ApiClient is an API client of Unity Catalog Localhost Reference Server.
 
 OpenAPI Generator 
ApiClient was auto-generated using OpenAPI Generator based on Unity Catalog's OpenAPI specification.
 
sbt-openapi-generator 7.5.0 is used in the client sbt module of the unitycatalog project.
 
 
ApiClient uses http://localhost:8080/api/2.1/unity-catalog as the default base URI (unless overriden).
 
ApiClient is used by UnityCatalogCli.
 
updateBaseUri
 
void updateBaseUri(
   String baseUri)
-
 
updateBaseUri...FIXME
 
 
  
  
  
 
 
 
    
\ No newline at end of file
+

updateBaseUri...FIXME

\ No newline at end of file diff --git a/client/index.html b/client/index.html index b0ce09f..de8d3b6 100644 --- a/client/index.html +++ b/client/index.html @@ -1 +1 @@ - Unity Catalog's Client API - The Internals of Unity Catalog

Unity Catalog's Client API

\ No newline at end of file + Unity Catalog's Client API - The Internals of Unity Catalog

Unity Catalog's Client API

\ No newline at end of file diff --git a/contenders/index.html b/contenders/index.html index 07d2d50..5d99964 100644 --- a/contenders/index.html +++ b/contenders/index.html @@ -1 +1 @@ - Contenders - The Internals of Unity Catalog

Contenders

As it happens in the OSS world, Unity Catalog is not alone in the area of metadata catalogs for data and AI. The following is a list of some other OSS projects that seem to compete or cover the same use cases.

Polaris Catalog

Polaris Catalog Is Now Open Source

\ No newline at end of file + Contenders - The Internals of Unity Catalog

Contenders

As it happens in the OSS world, Unity Catalog is not alone in the area of metadata catalogs for data and AI. The following is a list of some other OSS projects that seem to compete or cover the same use cases.

Polaris Catalog

Polaris Catalog Is Now Open Source

\ No newline at end of file diff --git a/credential-vending/AwsCredentialVendor/index.html b/credential-vending/AwsCredentialVendor/index.html index 3ec55b1..7f33f53 100644 --- a/credential-vending/AwsCredentialVendor/index.html +++ b/credential-vending/AwsCredentialVendor/index.html @@ -1 +1 @@ - AwsCredentialVendor - The Internals of Unity Catalog

AwsCredentialVendor

AwsCredentialVendor is...FIXME

\ No newline at end of file + AwsCredentialVendor - The Internals of Unity Catalog

AwsCredentialVendor

AwsCredentialVendor is...FIXME

\ No newline at end of file diff --git a/credential-vending/AzureCredentialVendor/index.html b/credential-vending/AzureCredentialVendor/index.html index 85f0852..7027f75 100644 --- a/credential-vending/AzureCredentialVendor/index.html +++ b/credential-vending/AzureCredentialVendor/index.html @@ -1 +1 @@ - AzureCredentialVendor - The Internals of Unity Catalog

AzureCredentialVendor

AzureCredentialVendor is...FIXME

\ No newline at end of file + AzureCredentialVendor - The Internals of Unity Catalog

AzureCredentialVendor

AzureCredentialVendor is...FIXME

\ No newline at end of file diff --git a/credential-vending/CredentialContext/index.html b/credential-vending/CredentialContext/index.html index ddef9b6..ee2d638 100644 --- a/credential-vending/CredentialContext/index.html +++ b/credential-vending/CredentialContext/index.html @@ -1,4 +1,4 @@ - CredentialContext - The Internals of Unity Catalog

CredentialContext

Create CredentialContext

CredentialContext create(
+ CredentialContext - The Internals of Unity Catalog      
 
 
   
 
 
 
 
 
 
  
 
 
 
 
 
  
 
 
 
  
 
CredentialContext
 
Create CredentialContext
 
CredentialContext create(
   URI locationURI,
   Set<Privilege> privileges)
-
 
create builds a CredentialContext for the given privileges and the storage locationURI.
 
CredentialContext holds the following extra information based on the storage locationURI:
 
  
 URI Component Value 
   
 Storage Scheme The [<scheme>:]<scheme-specific-part>[#<fragment>] part 
 
 Storage Base The [<scheme>:]<scheme-specific-part>[#<fragment>] part followed by :// and [//<authority>]<path>[?<query>] 
 
 Locations The storage locationURI 
  
 
 Static Method 
create is a Java class method to be invoked without a reference to a particular object.
 
Learn more in the Java Language Specification.
 
 
 
create is used when:
  
 
  
  
  
 
 
 
    
\ No newline at end of file
+

create builds a CredentialContext for the given privileges and the storage locationURI.

CredentialContext holds the following extra information based on the storage locationURI:

URI Component Value
Storage Scheme The [<scheme>:]<scheme-specific-part>[#<fragment>] part
Storage Base The [<scheme>:]<scheme-specific-part>[#<fragment>] part followed by :// and [//<authority>]<path>[?<query>]
Locations The storage locationURI
Static Method

create is a Java class method to be invoked without a reference to a particular object.

Learn more in the Java Language Specification.

create is used when:

\ No newline at end of file diff --git a/credential-vending/CredentialOperations/index.html b/credential-vending/CredentialOperations/index.html index 79d3c21..5f64896 100644 --- a/credential-vending/CredentialOperations/index.html +++ b/credential-vending/CredentialOperations/index.html @@ -1,6 +1,6 @@ - CredentialOperations - The Internals of Unity Catalog

CredentialOperations

AwsCredentialVendor

AwsCredentialVendor is created alongside CredentialOperations.

AzureCredentialVendor

GcpCredentialVendor

GcpCredentialVendor is created alongside CredentialOperations.

Vend Credentials

TemporaryCredentials vendCredential(
+ CredentialOperations - The Internals of Unity Catalog      
 
 
   
 
 
 
 
 
 
  
 
 
 
 
 
  
 
 
 
  
 
CredentialOperations
 
AwsCredentialVendor
 
AwsCredentialVendor is created alongside CredentialOperations.
 
AzureCredentialVendor
 
GcpCredentialVendor
 
GcpCredentialVendor is created alongside CredentialOperations.
 
Vend Credentials
 
TemporaryCredentials vendCredential(
   String path,
   Set<CredentialContext.Privilege> privileges) // (1)!
 TemporaryCredentials vendCredential(
   CredentialContext context)
-
 
     
  1. Uses a new CredentialContext for the given storage location (path) and the privileges.
    2.  
 
 BaseException 
vendCredential throws a BaseException when the path is undefined (null or empty).
 
 
 
Storage Location
 
The input path is also known as a storage location.
 
 
vendCredential creates a CredentialContext for the given storage location (path) and the privileges.
 
vendCredential creates a TemporaryCredentials model with Cloud Provider-specific settings (based on the storage scheme of the CredentialContext).
 
  
 Storage Scheme Credential Vending Mechanism TemporaryCredentials 
   
 abfs or abfss AzureCredential AzureUserDelegationSAS
  • sasToken
  • expirationTime
 
 
 gs AccessToken GcpOauthToken
  • oauthToken
  • expirationTime
 
 
 s3 Credentials AwsCredentials
  • accessKeyId
  • secretAccessKey
  • sessionToken
 
  
 
 
vendCredential is used when:
  
 
  
  
  
 
 
 
    
\ No newline at end of file
+
  1. Uses a new CredentialContext for the given storage location (path) and the privileges.
BaseException

vendCredential throws a BaseException when the path is undefined (null or empty).

Storage Location

The input path is also known as a storage location.

vendCredential creates a CredentialContext for the given storage location (path) and the privileges.

vendCredential creates a TemporaryCredentials model with Cloud Provider-specific settings (based on the storage scheme of the CredentialContext).

Storage Scheme Credential Vending Mechanism TemporaryCredentials
abfs or abfss AzureCredential AzureUserDelegationSAS
  • sasToken
  • expirationTime
gs AccessToken GcpOauthToken
  • oauthToken
  • expirationTime
s3 Credentials AwsCredentials
  • accessKeyId
  • secretAccessKey
  • sessionToken

vendCredential is used when:

\ No newline at end of file diff --git a/credential-vending/GcpCredentialVendor/index.html b/credential-vending/GcpCredentialVendor/index.html index 7ae1dd9..08f7486 100644 --- a/credential-vending/GcpCredentialVendor/index.html +++ b/credential-vending/GcpCredentialVendor/index.html @@ -1 +1 @@ - GcpCredentialVendor - The Internals of Unity Catalog

GcpCredentialVendor

Creating Instance

GcpCredentialVendor takes no arguments to be created.

While being created, GcpCredentialVendor initializes the gcsConfigurations.

GcpCredentialVendor is created alongside CredentialOperations.

\ No newline at end of file + GcpCredentialVendor - The Internals of Unity Catalog

GcpCredentialVendor

Creating Instance

GcpCredentialVendor takes no arguments to be created.

While being created, GcpCredentialVendor initializes the gcsConfigurations.

GcpCredentialVendor is created alongside CredentialOperations.

\ No newline at end of file diff --git a/credential-vending/index.html b/credential-vending/index.html index 26538ad..e744544 100644 --- a/credential-vending/index.html +++ b/credential-vending/index.html @@ -1 +1 @@ - Credential Vending - The Internals of Unity Catalog

Credential Vending

Credential Vending provides temporary, down-scoped credentials for secure access to the following Unity Catalog securables:

Credential Vending uses CredentialOperations to vend credentials to get temporary access to assets (data) stored in the following cloud object storages:

Privileges

Credential Vending supports the following privileges:

  • SELECT
  • UPDATE
Permissions

Privileges is a synonym of Permissions.

Amazon S3

Alex Reid once wrote:

For UC OSS to work with S3, you need a role (you give the arn of that role in the properties) that has access to the bucket (also set in the properties) and you also need a user that can assume that role (and you provide the creds for that user in the properties)

In order to properly downscope vended credentials (when asking for creds to a specific table, etc.), we need to be able to assume a role that has broader bucket access.

UC OSS doesn't yet support more advanced AWS access-like identity federation, etc.

And later Alex wrote:

you need to set a roleArn in the server.properties that has access to the bucket AND which the instance profile attached to the server can assume.

This is how scoped AWS credentials work (you need to assume a role that has access to the bucket in order to give scoped temporary credentials)

Learning Resources

  1. AWS Lake Formation
\ No newline at end of file + Credential Vending - The Internals of Unity Catalog

Credential Vending

Credential Vending provides temporary, down-scoped credentials for secure access to the following Unity Catalog securables:

Credential Vending uses CredentialOperations to vend credentials to get temporary access to assets (data) stored in the following cloud object storages:

Privileges

Credential Vending supports the following privileges:

  • SELECT
  • UPDATE
Permissions

Privileges is a synonym of Permissions.

Amazon S3

Alex Reid once wrote:

For UC OSS to work with S3, you need a role (you give the arn of that role in the properties) that has access to the bucket (also set in the properties) and you also need a user that can assume that role (and you provide the creds for that user in the properties)

In order to properly downscope vended credentials (when asking for creds to a specific table, etc.), we need to be able to assume a role that has broader bucket access.

UC OSS doesn't yet support more advanced AWS access-like identity federation, etc.

And later Alex wrote:

you need to set a roleArn in the server.properties that has access to the bucket AND which the instance profile attached to the server can assume.

This is how scoped AWS credentials work (you need to assume a role that has access to the bucket in order to give scoped temporary credentials)

Learning Resources

  1. AWS Lake Formation
\ No newline at end of file diff --git a/demo/crud-external-delta-table/index.html b/demo/crud-external-delta-table/index.html index efd6cb4..05e0e03 100644 --- a/demo/crud-external-delta-table/index.html +++ b/demo/crud-external-delta-table/index.html @@ -1,4 +1,4 @@ - Demo: CRUD with External Delta Table - The Internals of Unity Catalog

Demo: CRUD with External Delta Table

The demo is prepared in such a way to showcase two features of Unity Catalog at the same time:

  1. Create an external delta table (uc table create)
  2. Write sample data to an external delta table (uc table write)
  3. Read the delta table using Unity Catalog CLI (uc table read)
  4. Read the delta table using Spark Connector

That's why the catalog name is the default Spark SQL catalog spark_catalog (not Unity Catalog's unity).

Create spark_catalog in Unity Catalog

./bin/uc catalog create --name spark_catalog
+ Demo: CRUD with External Delta Table - The Internals of Unity Catalog      
 
 
   
 
 
 
  
 
 
  
 
 
 
  
 
Demo: CRUD with External Delta Table
 
The demo is prepared in such a way to showcase two features of Unity Catalog at the same time:
 
     
  1. Create an external delta table (uc table create)
    2.  
  2. Write sample data to an external delta table (uc table write)
    3.  
  3. Read the delta table using Unity Catalog CLI (uc table read)
    4.  
  4. Read the delta table using Spark Connector
    5.  
 
That's why the catalog name is the default Spark SQL catalog spark_catalog (not Unity Catalog's unity).
 
Create spark_catalog in Unity Catalog
 
 
 
 
./bin/uc catalog create --name spark_catalog
 
 
 
 
 
┌───────────────────────────────┬──────────────────────────────────────────────────────────────┐
 │              KEY              │                            VALUE                             │
 ├───────────────────────────────┼──────────────────────────────────────────────────────────────┤
@@ -148,4 +148,4 @@
 | 14|TgfXQtocFo|
 | 15|TksgpbjlIW|
 +---+----------+
-
 
 
  
  
  
 
 
 
    
\ No newline at end of file
+
\ No newline at end of file diff --git a/demo/index.html b/demo/index.html index d288305..091b682 100644 --- a/demo/index.html +++ b/demo/index.html @@ -1 +1 @@ - Demo - The Internals of Unity Catalog
\ No newline at end of file + Demo - The Internals of Unity Catalog
\ No newline at end of file diff --git a/demo/namespace-support-in-spark-connector/index.html b/demo/namespace-support-in-spark-connector/index.html index 1599088..a637e95 100644 --- a/demo/namespace-support-in-spark-connector/index.html +++ b/demo/namespace-support-in-spark-connector/index.html @@ -1,4 +1,4 @@ - Demo: Namespace Support in Spark Connector - The Internals of Unity Catalog

Demo: Namespace Support in Spark Connector

The demo shows support in Unity Catalog's Spark Connector for various namespace-related commands (e.g., SHOW NAMESPACES, DESC NAMESPACE).

SPARK_SUBMIT_OPTS=-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=*:5555 \
+ Demo: Namespace Support in Spark Connector - The Internals of Unity Catalog      
 
 
   
 
 
 
  
 
 
  
 
 
 
  
 
Demo: Namespace Support in Spark Connector
 
The demo shows support in Unity Catalog's Spark Connector for various namespace-related commands (e.g., SHOW NAMESPACES, DESC NAMESPACE).
 
 
 
 
SPARK_SUBMIT_OPTS=-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=*:5555 \
 ./bin/spark-shell \
   --packages \
     io.delta:delta-spark_2.13:3.2.0,io.unitycatalog:unitycatalog-spark:0.3.0-SNAPSHOT \
@@ -99,4 +99,4 @@
 |  Catalog Name|      unity|
 |Namespace Name|sub_catalog|
 +--------------+-----------+
-
 
 
  
  
  
 
 
 
    
\ No newline at end of file
+
\ No newline at end of file diff --git a/demo/spark-connector-and-external-tables-on-aws-s3/index.html b/demo/spark-connector-and-external-tables-on-aws-s3/index.html index 35be19d..7887aec 100644 --- a/demo/spark-connector-and-external-tables-on-aws-s3/index.html +++ b/demo/spark-connector-and-external-tables-on-aws-s3/index.html @@ -1,4 +1,4 @@ - Demo: Spark Connector and External Tables on AWS S3 - The Internals of Unity Catalog

Demo: Spark Connector and External Tables on AWS S3

Work in Progress

This page is a work in progress until this warning disappears.

./bin/spark-sql \
+ Demo: Spark Connector and External Tables on AWS S3 - The Internals of Unity Catalog      
 
 
   
 
 
 
  
 
 
  
 
 
 
  
 
Demo: Spark Connector and External Tables on AWS S3
 
 
Work in Progress
 
This page is a work in progress until this warning disappears.
 
 
./bin/spark-sql \
   --name "uc-external-tables-s3" \
   --packages "org.apache.hadoop:hadoop-aws:3.3.4,io.delta:delta-spark_2.13:3.2.1,io.unitycatalog:unitycatalog-spark_2.13:0.2.0-SNAPSHOT" \
   --conf "spark.sql.extensions=io.delta.sql.DeltaSparkSessionExtension" \
@@ -14,4 +14,4 @@
 s3.awsRoleArn.0=FIXME_awsRoleArn
 s3.accessKey.0=FIXME_accessKey
 s3.secretKey.0=FIXME_secretKey
-
 
 
  
  
  
 
 
 
    
\ No newline at end of file
+
\ No newline at end of file diff --git a/demo/spark-connector/index.html b/demo/spark-connector/index.html index 88e54f7..00f7b53 100644 --- a/demo/spark-connector/index.html +++ b/demo/spark-connector/index.html @@ -1,4 +1,4 @@ - Demo: Spark Connector - The Internals of Unity Catalog

Demo: Spark Connector

This demo shows how to set up a Spark application (namely spark-shell and pyspark) with Unity Catalog using the Spark Connector module.

Build Spark Connector

Build the Spark Connector module.

build/sbt '++2.13' clean package publishLocal
+ Demo: Spark Connector - The Internals of Unity Catalog      
 
 
   
 
 
 
  
 
 
  
 
 
 
  
 
Demo: Spark Connector
 
This demo shows how to set up a Spark application (namely spark-shell and pyspark) with Unity Catalog using the Spark Connector module.
 
Build Spark Connector
 
Build the Spark Connector module.
 
build/sbt '++2.13' clean package publishLocal
 
 
 
Scala 2.13
 
This demo uses the Scala 2.13 builds of Apache Spark, Delta Lake and Unity Catalog.
 
Unless you built Apache Spark with Scala 2.13, replace any 2.13 in this demo with 2.12.
 
Use spark-shell --version or pyspark --version to learn about your Spark build:
 
❯ ./bin/pyspark --version
 Welcome to
     ____              __
@@ -209,4 +209,4 @@
 ├───────────────────────────────┼─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┤
 │TABLE_ID                       │32025924-be53-4d67-ac39-501a86046c01                                                                                                         │
 └───────────────────────────────┴─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
-
 
 
  
  
  
 
 
 
    
\ No newline at end of file
+
\ No newline at end of file diff --git a/docker/index.html b/docker/index.html index f209c22..88d37af 100644 --- a/docker/index.html +++ b/docker/index.html @@ -1,7 +1,7 @@ - Docker Support - The Internals of Unity Catalog

Docker Support

As of this commit, Unity Catalog's Localhost Server and CLI can be launched in a Docker container.

Build Docker Image

./docker/bin/build-uc-server-docker
+ Docker Support - The Internals of Unity Catalog      
 
 
   
 
 
 
 
 
 
  
 
 
 
 
 
  
 
 
 
  
 
Docker Support
 
As of this commit, Unity Catalog's Localhost Server and CLI can be launched in a Docker container.
 
Build Docker Image
 
./docker/bin/build-uc-server-docker
 
 
./docker/bin/build-uc-cli-docker
 
 
Run Unity Catalog in Docker
 
$ docker image ls --filter=reference='unitycatalog:*'
 REPOSITORY     TAG              IMAGE ID       CREATED         SIZE
 unitycatalog   0.2.0-SNAPSHOT   c788d0d453b6   8 minutes ago   329MB
 
 
./docker/bin/start-uc-server-in-docker
-
 
 
  
  
  
 
 
 
    
\ No newline at end of file
+
\ No newline at end of file diff --git a/features/index.html b/features/index.html index 2604138..3b2793a 100644 --- a/features/index.html +++ b/features/index.html @@ -1,4 +1,4 @@ - Unity Catalog - The Internals of Unity Catalog

Unity Catalog

Unity Catalog is an open-source universal catalog of the following assets:

Unity Catalog is made up of the following runtimes:

The server and CLI can be started on command line using bin/start-uc-server and bin/uc shell scripts, respectively.

Different Kinds of Catalogs

As Jason Reid posted on the unity-catalog slack channel (quoted with some styling changes):

First, a bit of clarification on the term "catalog" which is unfortunately overloaded. It is common to differentiate between so-called "business catalogs" and "operational catalogs".

Operational catalogs are what query engines use to read and write data. They track table schema and state and are often involved in transaction management.

Examples: Hive Metastore, Unity Catalog, AWS Glue, Polaris

Business catalogs are designed primarily for discovery. They typically aggregate metadata from a wide variety of data systems and make it easy to search.

Examples: Atlan, DataHub, Alation

For security, that is typically enforced by a combination of an operational catalog (where policy is defined) and the query engine (where policy is enforced).

There are some solutions for policy management which can push policy into multiple systems.

Examples: Immuta, Privacera

Running Unity Catalog

Java 17 or above is required to build and run Unity Catalog.

$ java --version
+ Unity Catalog - The Internals of Unity Catalog      
 
 
   
 
 
 
 
 
 
  
 
 
 
 
 
  
 
 
 
  
 
Unity Catalog
 
Unity Catalog is an open-source universal catalog of the following assets:
  
Unity Catalog is made up of the following runtimes:
  
The server and CLI can be started on command line using bin/start-uc-server and bin/uc shell scripts, respectively.
 
Different Kinds of Catalogs
 
As Jason Reid posted on the unity-catalog slack channel (quoted with some styling changes):
 
 
First, a bit of clarification on the term "catalog" which is unfortunately overloaded. It is common to differentiate between so-called "business catalogs" and "operational catalogs".
 
Operational catalogs are what query engines use to read and write data. They track table schema and state and are often involved in transaction management.
 
Examples: Hive Metastore, Unity Catalog, AWS Glue, Polaris
 
Business catalogs are designed primarily for discovery. They typically aggregate metadata from a wide variety of data systems and make it easy to search.
 
Examples: Atlan, DataHub, Alation
 
For security, that is typically enforced by a combination of an operational catalog (where policy is defined) and the query engine (where policy is enforced).
 
There are some solutions for policy management which can push policy into multiple systems.
 
Examples: Immuta, Privacera
 
 
Running Unity Catalog
 
Java 17 or above is required to build and run Unity Catalog.
 
$ java --version
 openjdk 17.0.12 2024-07-16 LTS
 OpenJDK Runtime Environment Zulu17.52+17-CA (build 17.0.12+7-LTS)
 OpenJDK 64-Bit Server VM Zulu17.52+17-CA (build 17.0.12+7-LTS, mixed mode, sharing)
@@ -59,4 +59,4 @@
   "updated_at" : 1721234405595,
   "table_id" : "c389adfa-5c8f-497b-8f70-26c2cca4976d"
 }
-
 
Learning Resources
 
     
  1. Open Sourcing Unity Catalog
    2.  
  2. Getting Started with X-Table and Unity Catalog | Universal Datalakes | Hands on Labs with an accompanying video on YouTube
    3.  
  3. Unitycatalog: the first look
    4.  
 
 
  
  
  
 
 
 
    
\ No newline at end of file
+

Learning Resources

  1. Open Sourcing Unity Catalog
  2. Getting Started with X-Table and Unity Catalog | Universal Datalakes | Hands on Labs with an accompanying video on YouTube
  3. Unitycatalog: the first look
\ No newline at end of file diff --git a/iceberg/FileIOFactory/index.html b/iceberg/FileIOFactory/index.html index 2f72321..18637ba 100644 --- a/iceberg/FileIOFactory/index.html +++ b/iceberg/FileIOFactory/index.html @@ -1 +1 @@ - FileIOFactory - The Internals of Unity Catalog

FileIOFactory

FileIOFactory is...FIXME

\ No newline at end of file + FileIOFactory - The Internals of Unity Catalog

FileIOFactory

FileIOFactory is...FIXME

\ No newline at end of file diff --git a/iceberg/IcebergRestCatalogService/index.html b/iceberg/IcebergRestCatalogService/index.html index e122f4a..382978c 100644 --- a/iceberg/IcebergRestCatalogService/index.html +++ b/iceberg/IcebergRestCatalogService/index.html @@ -1,4 +1,4 @@ - IcebergRestCatalogService - The Internals of Unity Catalog

IcebergRestCatalogService — Apache Iceberg REST APIs

IcebergRestCatalogService is a Unity Catalog API service to handle HTTP requests at /api/2.1/unity-catalog/iceberg URL.

Method URL Handler Params
GET /v1/config config  
GET /v1/namespaces/[namespace] getNamespace namespace
GET /v1/namespaces listNamespaces parent
GET /v1/namespaces/[namespace]/tables listTables namespace
GET /v1/namespaces/[namespace]/tables/[table] loadTable namespace
table
POST /v1/namespaces/[namespace]/tables/[table]/metrics reportMetrics namespace
table
HEAD /v1/namespaces/[namespace]/tables/[table] tableExists namespace
table

IcebergRestCatalogService uses Hibernate.

Create Instance

IcebergRestCatalogService takes the following to be created:

IcebergRestCatalogService is created when:

MetadataService

IcebergRestCatalogService is given a MetadataService when created.

This MetadataService is used to load an iceberg table.

CatalogService

IcebergRestCatalogService is given a CatalogService when created.

This CatalogService is used for the following:

SessionFactory

IcebergRestCatalogService creates a SessionFactory when created.

This SessionFactory is used for the following:

Load Table

LoadTableResponse loadTable(
+ IcebergRestCatalogService - The Internals of Unity Catalog      
 
 
   
 
 
 
 
 
 
  
 
 
 
 
 
  
 
 
 
  
 
IcebergRestCatalogService — Apache Iceberg REST APIs
 
IcebergRestCatalogService is a Unity Catalog API service to handle HTTP requests at /api/2.1/unity-catalog/iceberg URL.
 
  
 Method URL Handler Params 
   
 GET /v1/config config   
 
 GET /v1/namespaces/[namespace] getNamespace namespace 
 
 GET /v1/namespaces listNamespaces parent 
 
 GET /v1/namespaces/[namespace]/tables listTables namespace 
 
 GET /v1/namespaces/[namespace]/tables/[table] loadTable namespace
table		 
 
 POST /v1/namespaces/[namespace]/tables/[table]/metrics reportMetrics namespace
table		 
 
 HEAD /v1/namespaces/[namespace]/tables/[table] tableExists namespace
table		 
  
 
IcebergRestCatalogService uses Hibernate.
 
Create Instance
 
IcebergRestCatalogService takes the following to be created:
  
IcebergRestCatalogService is created when:
  
MetadataService
 
IcebergRestCatalogService is given a MetadataService when created.
 
This MetadataService is used to load an iceberg table.
 
CatalogService
 
IcebergRestCatalogService is given a CatalogService when created.
 
This CatalogService is used for the following:
  
SessionFactory
 
IcebergRestCatalogService creates a SessionFactory when created.
 
This SessionFactory is used for the following:
  
Load Table
 
LoadTableResponse loadTable(
   String namespace,
   String table)
-
 
loadTable expects the given namespace to be two-part and splits it into catalog and schema parts (using . as the separator).
 
loadTable requests the TableRepository to get the table metadata (by the given namespace and table separated using .).
 
loadTable requests the TableRepository for the uniform metadata location (by the catalog, schema and the given table).
 
loadTable requests the MetadataService for the TableMetadata for the uniform metadata location.
 
In the end, loadTable responds with the TableMetadata.
 
 
  
  
  
 
 
 
    
\ No newline at end of file
+

loadTable expects the given namespace to be two-part and splits it into catalog and schema parts (using . as the separator).

loadTable requests the TableRepository to get the table metadata (by the given namespace and table separated using .).

loadTable requests the TableRepository for the uniform metadata location (by the catalog, schema and the given table).

loadTable requests the MetadataService for the TableMetadata for the uniform metadata location.

In the end, loadTable responds with the TableMetadata.

\ No newline at end of file diff --git a/iceberg/MetadataService/index.html b/iceberg/MetadataService/index.html index 7ee9ab2..48d54d2 100644 --- a/iceberg/MetadataService/index.html +++ b/iceberg/MetadataService/index.html @@ -1,3 +1,3 @@ - MetadataService - The Internals of Unity Catalog

MetadataService

MetadataService is part of IcebergRestCatalogService.

Creating Instance

MetadataService takes the following to be created:

MetadataService is created when:

FileIOFactory

MetadataService is given a FileIOFactory when [created]

readTableMetadata

TableMetadata readTableMetadata(
+ MetadataService - The Internals of Unity Catalog      
 
 
   
 
 
 
 
 
 
  
 
 
 
 
 
  
 
 
 
  
 
MetadataService
 
MetadataService is part of IcebergRestCatalogService.
 
Creating Instance
 
MetadataService takes the following to be created:
  
MetadataService is created when:
  
FileIOFactory
 
MetadataService is given a FileIOFactory when [created]
 
readTableMetadata
 
TableMetadata readTableMetadata(
   String metadataLocation)
-
 
readTableMetadata...FIXME
 
 
readTableMetadata is used when:
  
 
  
  
  
 
 
 
    
\ No newline at end of file
+

readTableMetadata...FIXME

readTableMetadata is used when:

\ No newline at end of file diff --git a/iceberg/TableConfigService/index.html b/iceberg/TableConfigService/index.html index 88fdffd..a43b18f 100644 --- a/iceberg/TableConfigService/index.html +++ b/iceberg/TableConfigService/index.html @@ -1 +1 @@ - TableConfigService - The Internals of Unity Catalog

TableConfigService

TableConfigService is...FIXME

\ No newline at end of file + TableConfigService - The Internals of Unity Catalog

TableConfigService

TableConfigService is...FIXME

\ No newline at end of file diff --git a/iceberg/index.html b/iceberg/index.html index 75b711b..ba16c31 100644 --- a/iceberg/index.html +++ b/iceberg/index.html @@ -1 +1 @@ - Iceberg Support - The Internals of Unity Catalog
\ No newline at end of file + Iceberg Support - The Internals of Unity Catalog
\ No newline at end of file diff --git a/index.html b/index.html index 7c93d25..ab2a971 100644 --- a/index.html +++ b/index.html @@ -1 +1 @@ - Unity Catalog - The Internals of Unity Catalog

The Internals of Unity Catalog 0.3.0-SNAPSHOT

Welcome to The Internals of Unity Catalog online book! 🤙

I'm Jacek Laskowski, a Freelance Data(bricks) Engineer specializing in Apache Spark (incl. Spark SQL and Spark Structured Streaming), Delta Lake, Databricks, and Apache Kafka (incl. Kafka Streams) with brief forays into a wider data engineering space (e.g., Trino, Dask and dbt, mostly during Warsaw Data Engineering meetups).

I'm very excited to have you here and hope you will enjoy exploring the internals of Unity Catalog as much as I have.

Flannery O'Connor

I write to discover what I know.

"The Internals Of" series

I'm also writing other online books in the "The Internals Of" series. Please visit "The Internals Of" Online Books home page.

Expect text and code snippets from a variety of public sources. Attribution follows.

Now, let's take a deep dive into Unity Catalog 🔥

Last update: 2024-10-13

\ No newline at end of file + Unity Catalog - The Internals of Unity Catalog

The Internals of Unity Catalog 0.3.0-SNAPSHOT

Welcome to The Internals of Unity Catalog online book! 🤙

I'm Jacek Laskowski, a Freelance Data(bricks) Engineer specializing in Apache Spark (incl. Spark SQL and Spark Structured Streaming), Delta Lake, Databricks, and Apache Kafka (incl. Kafka Streams) with brief forays into a wider data engineering space (e.g., Trino, Dask and dbt, mostly during Warsaw Data Engineering meetups).

I'm very excited to have you here and hope you will enjoy exploring the internals of Unity Catalog as much as I have.

Flannery O'Connor

I write to discover what I know.

"The Internals Of" series

I'm also writing other online books in the "The Internals Of" series. Please visit "The Internals Of" Online Books home page.

Expect text and code snippets from a variety of public sources. Attribution follows.

Now, let's take a deep dive into Unity Catalog 🔥

Last update: 2024-10-15

\ No newline at end of file diff --git a/logging/index.html b/logging/index.html index 9ca705f..ed181c0 100644 --- a/logging/index.html +++ b/logging/index.html @@ -1,4 +1,4 @@ - Logging - The Internals of Unity Catalog

Logging

Unity Catalog uses Log4j 2 logging framework (through the Simple Logging Facade for Java (SLF4J) with Apache Log4j SLF4J 2.0 Binding).

There are two logging configuration files in etc/conf:

Component Configuration File
Unity Catalog CLI etc/conf/cli.log4j2.properties
Unity Catalog Server etc/conf/server.log4j2.properties

etc/conf/server.log4j2.properties

Unity Catalog Server uses etc/conf/server.log4j2.properties logging configuration file.

The following sample server.log4j2.properties sets up logging to standard output (console):

status = warn
+ Logging - The Internals of Unity Catalog      
 
 
   
 
 
 
 
 
 
  
 
 
  
  
 
Logging
 
Unity Catalog uses Log4j 2 logging framework (through the Simple Logging Facade for Java (SLF4J) with Apache Log4j SLF4J 2.0 Binding).
 
There are two logging configuration files in etc/conf:
 
  
 Component Configuration File 
   
 Unity Catalog CLI etc/conf/cli.log4j2.properties 
 
 Unity Catalog Server etc/conf/server.log4j2.properties 
  
 
etc/conf/server.log4j2.properties
 
Unity Catalog Server uses etc/conf/server.log4j2.properties logging configuration file.
 
The following sample server.log4j2.properties sets up logging to standard output (console):
 
status = warn
 
 appender.console.name = stdout
 appender.console.type = Console
@@ -9,4 +9,4 @@
 rootLogger.level = info
 rootLogger.appenderRefs = console
 rootLogger.appenderRef.console.ref = stdout
-
 
Automatic Configuration
 
Automatic Configuration
 
 
  
  
  
 
 
 
    
\ No newline at end of file
+

Automatic Configuration

Automatic Configuration

\ No newline at end of file diff --git a/oauth2-authentication/AuthCallbackHandler/index.html b/oauth2-authentication/AuthCallbackHandler/index.html index 243b6f1..332be31 100644 --- a/oauth2-authentication/AuthCallbackHandler/index.html +++ b/oauth2-authentication/AuthCallbackHandler/index.html @@ -1 +1 @@ - AuthCallbackHandler - The Internals of Unity Catalog

AuthCallbackHandler

AuthCallbackHandler is...FIXME

\ No newline at end of file + AuthCallbackHandler - The Internals of Unity Catalog

AuthCallbackHandler

AuthCallbackHandler is...FIXME

\ No newline at end of file diff --git a/oauth2-authentication/Oauth2CliExchange/index.html b/oauth2-authentication/Oauth2CliExchange/index.html index 0cb6b6b..814f4b2 100644 --- a/oauth2-authentication/Oauth2CliExchange/index.html +++ b/oauth2-authentication/Oauth2CliExchange/index.html @@ -1,7 +1,7 @@ - Oauth2CliExchange - The Internals of Unity Catalog

Oauth2CliExchange

Oauth2CliExchange is a simple OAuth2 authentication flow for the CLI (to login).

etc/conf/server.properties

Oauth2CliExchange loads etc/conf/server.properties into the serverProperties when created.

Note

The path etc/conf/server.properties is fixed and cannot be changed.

Creating Instance

Oauth2CliExchange takes no arguments to be created.

While being created, Oauth2CliExchange loads etc/conf/server.properties into the serverProperties.

Oauth2CliExchange is created when:

  • AuthCli is requested to login

Authenticate

String authenticate()
+ Oauth2CliExchange - The Internals of Unity Catalog      
 
 
   
 
 
 
 
 
 
  
 
 
 
 
 
  
 
 
 
  
 
Oauth2CliExchange
 
Oauth2CliExchange is a simple OAuth2 authentication flow for the CLI (to login).
 
etc/conf/server.properties
 
Oauth2CliExchange loads etc/conf/server.properties into the serverProperties when created.
 
 
Note
 
The path etc/conf/server.properties is fixed and cannot be changed.
 
 
Creating Instance
 
Oauth2CliExchange takes no arguments to be created.
 
While being created, Oauth2CliExchange loads etc/conf/server.properties into the serverProperties.
 
Oauth2CliExchange is created when:
 
     
  • AuthCli is requested to login
    •  
 
Authenticate
 
String authenticate()
 
 
authenticate returns an identity token.
 
 
authenticate reads the following server properties (from etc/conf/server.properties):
 
     
  • server.authorization-url
    •  
  • server.token-url
    •  
  • server.client-id
    •  
  • server.client-secret
    •  
  • server.redirect-port
    •  
 
authenticate starts an HttpServer to listen on the port (based on server.redirect-port) and an AuthCallbackHandler to handle the root path /.
 
authenticate prints out the following message to the console:
 
Listening on port: [port]
 
 
authenticate builds an auth URL as follows:
 
  
 URL Part Value 
   
 redirectUrl server.authorization-url configuration property 
 
 client_id server.client-id configuration property 
 
 redirect_uri http://localhost:[port] 
 
 response_type code 
 
 scope openid profile email 
 
 state Some random 16 bytes 
  
 
authenticate prints out the following message to the console:
 
Attempting to open the authorization page in your default browser.
 If the browser does not open, you can manually open the following URL:
 [authURL]
 
 
authenticate uses /usr/bin/open to open the auth URL (in the default browser).
 
 
Note
 
Any exceptions while trying to open the browser with the auth URL are simply ignored.
 
 
authenticate requests the AuthCallbackHandler for the auth code.
 
authenticate prints out the following message to the console:
 
Received authentication response.
-
 
authenticate stops the HttpServer.
 
authenticate...FIXME
 
 
authenticate is used when:
 
     
  • AuthCli is requested to login
    •  
 
 
  
  
  
 
 
 
    
\ No newline at end of file
+

authenticate stops the HttpServer.

authenticate...FIXME

authenticate is used when:

  • AuthCli is requested to login
\ No newline at end of file diff --git a/oauth2-authentication/index.html b/oauth2-authentication/index.html index 513d116..3ee51ba 100644 --- a/oauth2-authentication/index.html +++ b/oauth2-authentication/index.html @@ -1,4 +1,4 @@ - OAuth2 Authentication - The Internals of Unity Catalog

OAuth2 Authentication

Unity Catalog supports OAuth2 Authentication.

Unity Catalog CLI

Unity Catalog CLI comes with auth sub-commands for OAuth2 authentication.

❯ ./bin/uc auth --help
+ OAuth2 Authentication - The Internals of Unity Catalog      
 
 
   
 
 
 
 
 
 
  
 
 
 
 
 
  
 
 
 
  
 
OAuth2 Authentication
 
Unity Catalog supports OAuth2 Authentication.
 
Unity Catalog CLI
 
Unity Catalog CLI comes with auth sub-commands for OAuth2 authentication.
 
❯ ./bin/uc auth --help
 Please provide a valid sub-command for auth.
 Valid sub-commands for auth are: login
 For detailed help on auth sub-commands, use bin/uc auth <sub-command> --help
@@ -10,4 +10,4 @@
   --auth_token PAT token to authorize uc requests.
   --output To indicate CLI output format preference. Supported values are json and jsonPretty.
   --identity_token Identity token to authorize
-
 
login sub-command works differently based on identity_token optional param. Unless specified on command line, login uses Oauth2CliExchange to authenticate and generate an identity token.
 
The identity token is used as subject_token query parameter for a POST request to /auth/tokens API endpoint with the other query parameters:
 
  
 Query Parameter Value 
   
 grant_type urn:ietf:params:oauth:grant-type:token-exchange 
 
 requested_token_type urn:ietf:params:oauth:token-type:access_token 
 
 subject_token_type urn:ietf:params:oauth:token-type:id_token 
 
 subject_token Identity token 
  
 
That gives an access_token back.
 
 
  
  
  
 
 
 
    
\ No newline at end of file
+

login sub-command works differently based on identity_token optional param. Unless specified on command line, login uses Oauth2CliExchange to authenticate and generate an identity token.

The identity token is used as subject_token query parameter for a POST request to /auth/tokens API endpoint with the other query parameters:

Query Parameter Value
grant_type urn:ietf:params:oauth:grant-type:token-exchange
requested_token_type urn:ietf:params:oauth:token-type:access_token
subject_token_type urn:ietf:params:oauth:token-type:id_token
subject_token Identity token

That gives an access_token back.

\ No newline at end of file diff --git a/persistent-storage/CatalogRepository/index.html b/persistent-storage/CatalogRepository/index.html index 913cf2a..b8c05a0 100644 --- a/persistent-storage/CatalogRepository/index.html +++ b/persistent-storage/CatalogRepository/index.html @@ -1 +1 @@ - CatalogRepository - The Internals of Unity Catalog

CatalogRepository

\ No newline at end of file + CatalogRepository - The Internals of Unity Catalog

CatalogRepository

\ No newline at end of file diff --git a/persistent-storage/FileUtils/index.html b/persistent-storage/FileUtils/index.html index a4f09bd..9276363 100644 --- a/persistent-storage/FileUtils/index.html +++ b/persistent-storage/FileUtils/index.html @@ -1 +1 @@ - FileUtils - The Internals of Unity Catalog

FileUtils

FileUtils is...FIXME

\ No newline at end of file + FileUtils - The Internals of Unity Catalog

FileUtils

FileUtils is...FIXME

\ No newline at end of file diff --git a/persistent-storage/FunctionRepository/index.html b/persistent-storage/FunctionRepository/index.html index 6c149fc..1350aba 100644 --- a/persistent-storage/FunctionRepository/index.html +++ b/persistent-storage/FunctionRepository/index.html @@ -1,7 +1,7 @@ - FunctionRepository - The Internals of Unity Catalog

FunctionRepository

SessionFactory

FunctionRepository gets at SessionFactory in a static initializer.

Static Initializer

A static initializer declared in a class is executed when the class is initialized.

Learn more in the Java Language Specification.

This SessionFactory is used for the following:

Listing Functions

ListFunctionsResponse listFunctions(
+ FunctionRepository - The Internals of Unity Catalog      
 
 
   
 
 
 
 
 
 
  
 
 
 
 
 
  
 
 
 
  
 
FunctionRepository
 
SessionFactory
 
FunctionRepository gets at SessionFactory in a static initializer.
 
 Static Initializer 
A static initializer declared in a class is executed when the class is initialized.
 
Learn more in the Java Language Specification.
 
 
This SessionFactory is used for the following:
  
Listing Functions
 
ListFunctionsResponse listFunctions(
   String catalogName,
   String schemaName,
   Optional<Integer> maxResults,
   Optional<String> nextPageToken)
 
 
listFunctions requests this SchemaRepository for the SchemaInfoDAO for the given catalog (catalogName) and schema (schemaName).
 
listFunctions creates the following Hibernate query (with the schemaId parameter being the ID of the schema):
 
from FunctionInfoDAO f where f.schemaId = [schemaId]
-
 
In the end, listFunctions executes the query to list all the registered functions.
 
 
listFunctions is used when:
  
 
  
  
  
 
 
 
    
\ No newline at end of file
+

In the end, listFunctions executes the query to list all the registered functions.

listFunctions is used when:

\ No newline at end of file diff --git a/persistent-storage/HibernateUtil/index.html b/persistent-storage/HibernateUtil/index.html index 5b0c333..b46d4ef 100644 --- a/persistent-storage/HibernateUtil/index.html +++ b/persistent-storage/HibernateUtil/index.html @@ -1,2 +1,2 @@ - HibernateUtil - The Internals of Unity Catalog

HibernateUtil

HibernateUtil is used to access the system-wide SessionFactory (Hibernate).

ServerPropertiesUtils

HibernateUtil gets at the only instance of ServerPropertiesUtils in a static initializer.

Static Initializer

A static initializer declared in a class is executed when the class is initialized.

Learn more in the Java Language Specification.

SessionFactory

HibernateUtil creates a SessionFactory in a static initializer.

Static Initializer

A static initializer declared in a class is executed when the class is initialized.

Learn more in the Java Language Specification.

This SessionFactory is used by the following:

createSessionFactory

SessionFactory createSessionFactory()
-
Static Method

createSessionFactory is a Java class method that is always invoked without reference to a particular object.

Learn more in the Java Language Specification.

createSessionFactory...FIXME

\ No newline at end of file + HibernateUtil - The Internals of Unity Catalog

HibernateUtil

HibernateUtil is used to access the system-wide SessionFactory (Hibernate).

ServerPropertiesUtils

HibernateUtil gets at the only instance of ServerPropertiesUtils in a static initializer.

Static Initializer

A static initializer declared in a class is executed when the class is initialized.

Learn more in the Java Language Specification.

SessionFactory

HibernateUtil creates a SessionFactory in a static initializer.

Static Initializer

A static initializer declared in a class is executed when the class is initialized.

Learn more in the Java Language Specification.

This SessionFactory is used by the following:

createSessionFactory

SessionFactory createSessionFactory()
+
Static Method

createSessionFactory is a Java class method that is always invoked without reference to a particular object.

Learn more in the Java Language Specification.

createSessionFactory...FIXME

\ No newline at end of file diff --git a/persistent-storage/HibernateUtils/index.html b/persistent-storage/HibernateUtils/index.html index a004536..374cf08 100644 --- a/persistent-storage/HibernateUtils/index.html +++ b/persistent-storage/HibernateUtils/index.html @@ -1 +1 @@ - HibernateUtils - The Internals of Unity Catalog

HibernateUtils

HibernateUtils is...FIXME

\ No newline at end of file + HibernateUtils - The Internals of Unity Catalog

HibernateUtils

HibernateUtils is...FIXME

\ No newline at end of file diff --git a/persistent-storage/MetastoreRepository/index.html b/persistent-storage/MetastoreRepository/index.html index 444f081..0e0bbfd 100644 --- a/persistent-storage/MetastoreRepository/index.html +++ b/persistent-storage/MetastoreRepository/index.html @@ -1 +1 @@ - MetastoreRepository - The Internals of Unity Catalog

MetastoreRepository

MetastoreRepository is...FIXME

\ No newline at end of file + MetastoreRepository - The Internals of Unity Catalog

MetastoreRepository

MetastoreRepository is...FIXME

\ No newline at end of file diff --git a/persistent-storage/ModelRepository/index.html b/persistent-storage/ModelRepository/index.html index 0afb4fb..9dc989d 100644 --- a/persistent-storage/ModelRepository/index.html +++ b/persistent-storage/ModelRepository/index.html @@ -1,3 +1,3 @@ - ModelRepository - The Internals of Unity Catalog

ModelRepository

Logging

Enable ALL logging level for io.unitycatalog.server.persist.ModelRepository logger to see what happens inside.

Add the following line to etc/conf/server.log4j2.properties:

logger.ModelRepository.name = io.unitycatalog.server.persist.ModelRepository
+ ModelRepository - The Internals of Unity Catalog      
 
 
   
 
 
 
 
 
 
  
 
 
 
 
 
  
 
 
 
  
 
ModelRepository
 
Logging
 
Enable ALL logging level for io.unitycatalog.server.persist.ModelRepository logger to see what happens inside.
 
Add the following line to etc/conf/server.log4j2.properties:
 
logger.ModelRepository.name = io.unitycatalog.server.persist.ModelRepository
 logger.ModelRepository.level = all
-
 
Refer to Logging.
 
 
  
  
  
 
 
 
    
\ No newline at end of file
+

Refer to Logging.

\ No newline at end of file diff --git a/persistent-storage/PagedListingHelper/index.html b/persistent-storage/PagedListingHelper/index.html index 242b4fb..06036a2 100644 --- a/persistent-storage/PagedListingHelper/index.html +++ b/persistent-storage/PagedListingHelper/index.html @@ -1 +1 @@ - PagedListingHelper - The Internals of Unity Catalog

PagedListingHelper

PagedListingHelper is...FIXME

\ No newline at end of file + PagedListingHelper - The Internals of Unity Catalog

PagedListingHelper

PagedListingHelper is...FIXME

\ No newline at end of file diff --git a/persistent-storage/RepositoryUtils/index.html b/persistent-storage/RepositoryUtils/index.html index 051d84e..6fd081a 100644 --- a/persistent-storage/RepositoryUtils/index.html +++ b/persistent-storage/RepositoryUtils/index.html @@ -1,6 +1,6 @@ - RepositoryUtils - The Internals of Unity Catalog

RepositoryUtils

getSchemaId

UUID getSchemaId(
+ RepositoryUtils - The Internals of Unity Catalog      
 
 
   
 
 
 
 
 
 
  
 
 
 
 
 
  
 
 
 
  
 
RepositoryUtils
 
getSchemaId
 
UUID getSchemaId(
   Session session,
   String catalogName,
   String schemaName)
 
 
getSchemaId requests the system-wide SchemaRepository for the SchemaInfoDAO for the given catalogName and schemaName.
 
 BaseException 
getSchemaId reports a BaseException when there is no schema found (by the given catalogName and schemaName).
 
Schema not found: [schemaName]"
-
 
 
In the end, getSchemaId returns the ID of the schema.
 
 
getSchemaId is used when:
  
 
  
  
  
 
 
 
    
\ No newline at end of file
+

In the end, getSchemaId returns the ID of the schema.

getSchemaId is used when:

\ No newline at end of file diff --git a/persistent-storage/SchemaRepository/index.html b/persistent-storage/SchemaRepository/index.html index cecb0cf..dc23b7e 100644 --- a/persistent-storage/SchemaRepository/index.html +++ b/persistent-storage/SchemaRepository/index.html @@ -1,4 +1,4 @@ - SchemaRepository - The Internals of Unity Catalog

SchemaRepository

Find SchemaDAO by Catalog and Schema Names

SchemaInfoDAO getSchemaDAO(
+ SchemaRepository - The Internals of Unity Catalog      
 
 
   
 
 
 
 
 
 
  
 
 
 
 
 
  
 
 
 
  
 
SchemaRepository
 
Find SchemaDAO by Catalog and Schema Names
 
SchemaInfoDAO getSchemaDAO(
   Session session,
   String catalogName,
   String schemaName)
@@ -8,4 +8,4 @@
   UUID catalogId,
   String schemaName)
 
 
getSchemaDAO creates the following query (using the given Session) for the given schemaName and catalogId:
 
FROM SchemaInfoDAO WHERE name = [schemaName] and catalogId = :catalogId
-
 
getSchemaDAO executes the query and returns a single result of the query, or null if the query returns no results.
 
 
getSchemaDAO is used when:
  
 
  
  
  
 
 
 
    
\ No newline at end of file
+

getSchemaDAO executes the query and returns a single result of the query, or null if the query returns no results.

getSchemaDAO is used when:

\ No newline at end of file diff --git a/persistent-storage/TableRepository/index.html b/persistent-storage/TableRepository/index.html index 532491c..6b33ada 100644 --- a/persistent-storage/TableRepository/index.html +++ b/persistent-storage/TableRepository/index.html @@ -1,4 +1,4 @@ - TableRepository - The Internals of Unity Catalog

TableRepository

Persist Table Metadata

TableInfo createTable(
+ TableRepository - The Internals of Unity Catalog      
 
 
   
 
 
 
 
 
 
  
 
 
 
 
 
  
 
 
 
  
 
TableRepository
 
Persist Table Metadata
 
TableInfo createTable(
   CreateTable createTable)
 
 
createTable creates a TableInfo with randomly-generated UUID as the table ID and the other metadata.
 
createTable prints out the following DEBUG message to the logs:
 
Creating table: [fullName]
 
 
 
MANAGED tables are not supported yet
 
 
createTable asserts that storage_location is specified for an EXTERNAL table.
 
createTable persists the table's properties (to uc_properties table using PropertyDAO).
 
In the end, createTable persists the table metadata.
 
 
createTable is used when:
  
List Tables
 
ListTablesResponse listTables(
@@ -17,4 +17,4 @@
   Optional<String> pageToken,
   Boolean omitProperties,
   Boolean omitColumns)
-
 
     
  1. Opens a new session using the system-wide SessionFactory and starts a new transaction
    2.  
 
listTables requests the PagedListingHelper to listEntity.
 
listTables...FIXME
 
 
listTables is used when:
  
 
  
  
  
 
 
 
    
\ No newline at end of file
+
  1. Opens a new session using the system-wide SessionFactory and starts a new transaction

listTables requests the PagedListingHelper to listEntity.

listTables...FIXME

listTables is used when:

\ No newline at end of file diff --git a/persistent-storage/UriUtils/index.html b/persistent-storage/UriUtils/index.html index 4a7a5bb..b6b0437 100644 --- a/persistent-storage/UriUtils/index.html +++ b/persistent-storage/UriUtils/index.html @@ -1 +1 @@ - UriUtils - The Internals of Unity Catalog

UriUtils

UriUtils is...FIXME

\ No newline at end of file + UriUtils - The Internals of Unity Catalog

UriUtils

UriUtils is...FIXME

\ No newline at end of file diff --git a/persistent-storage/UserRepository/index.html b/persistent-storage/UserRepository/index.html index 620c3df..25c5af5 100644 --- a/persistent-storage/UserRepository/index.html +++ b/persistent-storage/UserRepository/index.html @@ -1 +1 @@ - UserRepository - The Internals of Unity Catalog

UserRepository

UserRepository is...FIXME

\ No newline at end of file + UserRepository - The Internals of Unity Catalog

UserRepository

UserRepository is...FIXME

\ No newline at end of file diff --git a/persistent-storage/VolumeRepository/index.html b/persistent-storage/VolumeRepository/index.html index 9a8b790..fa3f2f8 100644 --- a/persistent-storage/VolumeRepository/index.html +++ b/persistent-storage/VolumeRepository/index.html @@ -1 +1 @@ - VolumeRepository - The Internals of Unity Catalog

VolumeRepository

\ No newline at end of file + VolumeRepository - The Internals of Unity Catalog

VolumeRepository

\ No newline at end of file diff --git a/persistent-storage/index.html b/persistent-storage/index.html index a467359..4601fc4 100644 --- a/persistent-storage/index.html +++ b/persistent-storage/index.html @@ -1 +1 @@ - Persistent Storage - The Internals of Unity Catalog

Persistent Storage

Unity Catalog's Localhost Reference Server uses Hibernate as the persistence layer to manage asset metadata.

Unity Catalog uses etc/conf/hibernate.properties configuration file to set up a JDBC-compatible database system. There are sample configuration files for MySQL and PostgreSQL.

By default, Localhost Reference Server uses H2 Database Engine to store metadata (in etc/db/h2db.mv.db file).

With server.env property being test, Unity Catalog uses the following properties:

Hibernate Property Value
hibernate.connection.driver_class org.h2.Driver
hibernate.connection.url jdbc:h2:mem:testdb;DB_CLOSE_DELAY=-1
hibernate.hbm2ddl.auto create-drop
\ No newline at end of file + Persistent Storage - The Internals of Unity Catalog

Persistent Storage

Unity Catalog's Localhost Reference Server uses Hibernate as the persistence layer to manage asset metadata.

Unity Catalog uses etc/conf/hibernate.properties configuration file to set up a JDBC-compatible database system. There are sample configuration files for MySQL and PostgreSQL.

By default, Localhost Reference Server uses H2 Database Engine to store metadata (in etc/db/h2db.mv.db file).

With server.env property being test, Unity Catalog uses the following properties:

Hibernate Property Value
hibernate.connection.driver_class org.h2.Driver
hibernate.connection.url jdbc:h2:mem:testdb;DB_CLOSE_DELAY=-1
hibernate.hbm2ddl.auto create-drop
\ No newline at end of file diff --git a/search/search_index.json b/search/search_index.json index 2899766..726a3bf 100644 --- a/search/search_index.json +++ b/search/search_index.json @@ -1 +1 @@ -{"config":{"lang":["en"],"separator":"[\\s\\-]+","pipeline":["stopWordFilter"],"fields":{"title":{"boost":1000.0},"text":{"boost":1.0},"tags":{"boost":1000000.0}}},"docs":[{"location":"","title":"The Internals of Unity Catalog 0.3.0-SNAPSHOT","text":"

Welcome to The Internals of Unity Catalog online book! \ud83e\udd19

I'm Jacek Laskowski, a Freelance Data(bricks) Engineer specializing in Apache Spark (incl. Spark SQL and Spark Structured Streaming), Delta Lake, Databricks, and Apache Kafka (incl. Kafka Streams) with brief forays into a wider data engineering space (e.g., Trino, Dask and dbt, mostly during Warsaw Data Engineering meetups).

I'm very excited to have you here and hope you will enjoy exploring the internals of Unity Catalog as much as I have.

Flannery O'Connor

I write to discover what I know.

\"The Internals Of\" series

I'm also writing other online books in the \"The Internals Of\" series. Please visit \"The Internals Of\" Online Books home page.

Expect text and code snippets from a variety of public sources. Attribution follows.

Now, let's take a deep dive into Unity Catalog \ud83d\udd25

Last update: 2024-10-13

"},{"location":"logging/","title":"Logging","text":"

Unity Catalog uses Log4j 2 logging framework (through the Simple Logging Facade for Java (SLF4J) with Apache Log4j SLF4J 2.0 Binding).

There are two logging configuration files in etc/conf:

Component Configuration File Unity Catalog CLI etc/conf/cli.log4j2.properties Unity Catalog Server etc/conf/server.log4j2.properties"},{"location":"logging/#server.log4j2.properties","title":"etc/conf/server.log4j2.properties","text":"

Unity Catalog Server uses etc/conf/server.log4j2.properties logging configuration file.

The following sample server.log4j2.properties sets up logging to standard output (console):

status = warn\n\nappender.console.name = stdout\nappender.console.type = Console\nappender.console.layout.type = PatternLayout\nappender.console.layout.pattern = %d{YYYY-MM-dd HH:mm:ss} [%t] %-5p %c:%L - %m%n\nappender.console.target = SYSTEM_OUT\n\nrootLogger.level = info\nrootLogger.appenderRefs = console\nrootLogger.appenderRef.console.ref = stdout\n
"},{"location":"logging/#automatic-configuration","title":"Automatic Configuration","text":"

Automatic Configuration

"},{"location":"ai/","title":"Unity Catalog AI Core Library","text":"

Unity Catalog AI Core Library is a Python library for Unity Catalog AI support.

Note

Unity Catalog AI Core Library was added to Unity Catalog as part of this commit.

"},{"location":"ai/#databricks-function-client-support","title":"Databricks Function Client Support","text":"

DatabricksFunctionClient

from ucai.core.databricks import DatabricksFunctionClient\nclient = DatabricksFunctionClient()\n

Note

Added in this commit.

"},{"location":"ai/BaseFunctionClient/","title":"BaseFunctionClient","text":"

BaseFunctionClient is...FIXME

"},{"location":"ai/DatabricksFunctionClient/","title":"DatabricksFunctionClient","text":"

DatabricksFunctionClient is a BaseFunctionClient.

"},{"location":"ai/DatabricksFunctionClient/#create_function","title":"create_function","text":"
create_function(\n  self,\n  *,\n  sql_function_body: Optional[str] = None,\n  function_info: Optional[\"CreateFunction\"] = None,\n) -> \"FunctionInfo\"\n
"},{"location":"basic-server-access-control/","title":"Basic Server Access Control","text":"

Basic Server Access Control adds access controls to the Unity Catalog server endpoints.

  • Access control is optionally enabled through server configuration (server.authorization=enable)
  • Resource endpoints all have access control rules that match access rules for Databricks Unity Catalog.
  • An access control is defined by a principal, a resource and a privilege.
  • Principals are currently only user entities.
  • Access controls are hierarchically applied.
  • A privilege assigned to a resource for a principal is active for all the children.
  • A command-line interface is available to add, update, and delete authorizations.
  • The root of the hierarchy is a catalog.
  • There is a new concept of a metastore, which is primarily a resource to assign server-level privileges with.
Note

Basic Server Access Control is available since this commit.

"},{"location":"basic-server-access-control/#privileges","title":"Privileges","text":"

The initial set of privileges are as follows:

Privilege Description CREATE CATALOG Allows the principal to create catalogs USE CATALOG Allows the principal to access/use a catalog CREATE SCHEMA Allows the principal to create schemas within a catalog USE SCHEMA Allows the principal to access/use the schema and child tables CREATE_TABLE Allows the principal to create tables in the schema SELECT Allows the principal to run queries against table(s) CREATE_FUNCTION Allows principal to create functions in the schema EXECUTE Allows the principal to execute function(s) CREATE_VOLUME Allows principal to create volumes in the schema READ VOLUME Allows the principal to access volumes within the catalog CREATE MODEL Allows the principal to create models within a schema"},{"location":"basic-server-access-control/#unity-catalog-cli","title":"Unity Catalog CLI","text":"

The CLI interface provides a new permission command.

./bin/uc permission create \\\n  --securable_type catalog \\\n  --name mycatalog \\\n  --principal user@myorg.com \\\n  --privilege \"CREATE CATALOG`\n
./bin/uc permission get \\\n  --securable_type catalog \\\n  --name unity\n
./bin/uc permission delete \\\n  --securable_type table \\\n  --name mycatalog.myschema.table \\\n  --principal user@myorg.com \\\n  --privilege SELECT\n
"},{"location":"basic-server-access-control/#framework","title":"Framework","text":"

Basic Server Access Control is based on a framework that attempts to separate the concern of access control from the rest of the request handling and processing through annotation-based configuration, via @AuthorizeExpression, @AuthorizeKey and @AuthorizeKeys added to each service entry point.

All requests are routed through the UnityAccessDecorator which decodes the request, parameters and authorization configuration to evaluate whether access should be allowed or denied.

"},{"location":"cli/","title":"Unity Catalog CLI","text":"

Unity Catalog CLI can be started using ./bin/uc command-line utility that runs UnityCatalogCli.

$ ./bin/uc --help\n\nUsage: bin/uc <entity> <operation> [options]\nEntities: schema, volume, model_version, auth, catalog, function, registered_model, user, table\n\nBy default, the client will connect to UC running locally at http://localhost:8080\n\nTo connect to specific UC server, use --server https://<host>:<port>\n\nCurrently, auth using bearer token is supported. Please specify the token via --auth_token <PAT Token>\n\nFor detailed help on entity specific operations, use bin/uc <entity> --help\n
"},{"location":"cli/#entities","title":"Entities","text":"

Unity Catalog CLI supports the following entities (commands):

  • auth
  • catalog
  • function
  • model_version
  • registered_model
  • schema
  • table
  • user
  • volume
"},{"location":"cli/#options","title":"Options","text":""},{"location":"cli/#output","title":"output

The output format

Format Description json Prints out the output directly (with no changes) for read and call subcommands when postProcessAndPrintOutput jsonPretty Uses the default PrettyPrinter for the ObjectWriter to pretty-print JSONs","text":""},{"location":"cli/#fixed-width-output-fields","title":"Fixed-Width Output Fields","text":"

As of this commit, the tabular output of Unity Catalog CLI always displays the entire values of the following columns (case-insensitive):

  • NAME
  • Any column with ID suffix (e.g., TABLE_ID)
$ ./bin/uc table list --catalog unity --schema default\n\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502      NAME       \u2502CATALOG_NAME\u2502SCHEMA_NAME \u2502 TABLE_TYPE \u2502DATA_SOURCE_\u2502  COLUMNS   \u2502STORAGE_LOCA\u2502  COMMENT   \u2502 PROPERTIES \u2502 CREATED_AT \u2502 UPDATED_AT \u2502              TABLE_ID              \u2502\n\u2502                 \u2502            \u2502            \u2502            \u2502   FORMAT   \u2502            \u2502    TION    \u2502            \u2502            \u2502            \u2502            \u2502                                    \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502numbers          \u2502unity       \u2502default     \u2502EXTERNAL    \u2502DELTA       \u2502[{\"name\":...\u2502file:///U...\u2502External ...\u2502{\"key1\":\"...\u2502172042953...\u2502172042953...\u2502b5d6db68-5eca-485c-be5f-5f53d4f27f60\u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502marksheet_uniform\u2502unity       \u2502default     \u2502EXTERNAL    \u2502DELTA       \u2502[{\"name\":...\u2502file:///t...\u2502Uniform t...\u2502{\"key1\":\"...\u2502172042953...\u2502172042953...\u250276874c28-0ebf-46e7-9971-eb164bd62c46\u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502marksheet        \u2502unity       \u2502default     \u2502MANAGED     \u2502DELTA       \u2502[{\"name\":...\u2502file:///U...\u2502Managed t...\u2502{\"key1\":\"...\u2502172042953...\u2502172042953...\u250225ca07aa-1350-4104-b485-13b9ad1f5d72\u2502\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n
"},{"location":"cli/#read-write-support-for-delta-tables-only","title":"Read-Write Support for Delta Tables Only","text":"

Only delta tables are supported for read and write operations.

"},{"location":"cli/AuthCli/","title":"AuthCli","text":"

AuthCli is used by UnityCatalogCli to handle auth sub-commands.

$ ./bin/uc auth --help\nPlease provide a valid sub-command for auth.\nValid sub-commands for auth are: login\nFor detailed help on auth sub-commands, use bin/uc auth <sub-command> --help\n
"},{"location":"cli/AuthCli/#exchange-and-login","title":"Exchange and Login","text":"

login and exchange use doExchange for authentication with the following difference:

  • login uses Oauth2CliExchange to authenticate and generate an identity token.
  • exchange expects an identity token to be given (using identity_token option on command line).
"},{"location":"cli/AuthCli/#handle","title":"Handle Command Line","text":"
void handle(\n  CommandLine cmd,\n  ApiClient apiClient)\n

handle handles the given cmd.

Subcommand Handler login One of the following based on identity_token option:
  • exchange for identity_token param
  • login

handle is used when:

  • UnityCatalogCli is launched on command line with auth command
"},{"location":"cli/AuthCli/#exchange","title":"Exchange","text":"
String exchange(\n  ApiClient apiClient,\n  JSONObject json)\n

exchange de-serializes the given json object into a collection (that is supposed to include identityToken key based on identity_token CLI parameter).

exchange doExchange with the identityToken identity token.

login is used when:

  • AuthCli is requested to handle login subcommand with identity_token option used on the command line
"},{"location":"cli/AuthCli/#login","title":"Login","text":"
String login(\n  ApiClient apiClient,\n  JSONObject json)\n

login creates a Oauth2CliExchange to authenticate (and create an identity token).

In the end, login doExchange with the identity token as the value of identityToken key in the login input map).

login is used when:

  • AuthCli is requested to handle login subcommand with no identity_token option used on the command line
"},{"location":"cli/AuthCli/#doExchange","title":"doExchange","text":"
String doExchange(\n  ApiClient apiClient,\n  Map<String, String> login)\n

doExchange requests the given ApiClient for the base URI to access /auth/tokens API endpoint with the following query parameters:

Query Parameter Value grant_type urn:ietf:params:oauth:grant-type:token-exchange requested_token_type urn:ietf:params:oauth:token-type:access_token subject_token_type urn:ietf:params:oauth:token-type:id_token subject_token The value of identityToken in the given login collection

doExchange sends a POST request to /auth/tokens API endpoint with application/x-www-form-urlencoded content type.

In the end, doExchange creates a LoginInfo with access_token (from the response).

"},{"location":"cli/CatalogCli/","title":"CatalogCli","text":"

CatalogCli...FIXME

"},{"location":"cli/CliUtils/","title":"CliUtils","text":""},{"location":"cli/CliUtils/#postProcessAndPrintOutput","title":"postProcessAndPrintOutput","text":"
void postProcessAndPrintOutput(\n  CommandLine cmd,\n  String output,\n  String subCommand)\n

postProcessAndPrintOutput...FIXME

postProcessAndPrintOutput is used by the CLI handlers:

  • CatalogCli
  • FunctionCli
  • SchemaCli
  • TableCli
  • VolumeCli
"},{"location":"cli/DeltaKernelUtils/","title":"DeltaKernelUtils","text":""},{"location":"cli/DeltaKernelUtils/#createDeltaTable","title":"createDeltaTable","text":"
String createDeltaTable(\n  String tablePath,\n  List<ColumnInfo> columns,\n  AwsCredentials awsTempCredentials)\n

createDeltaTable...FIXME

createDeltaTable is used when:

  • TableCli is requested to create a table
"},{"location":"cli/DeltaKernelWriteUtils/","title":"DeltaKernelWriteUtils","text":""},{"location":"cli/DeltaKernelWriteUtils/#writeSampleDataToDeltaTable","title":"Write Out Sample Data to Delta Table","text":"
String writeSampleDataToDeltaTable(\n  String tablePath,\n  List<ColumnInfo> columns,\n  AwsCredentials tempCredentialResponse)\n

writeSampleDataToDeltaTable...FIXME

writeSampleDataToDeltaTable is used when:

  • TableCli is requested to write to a table
"},{"location":"cli/FunctionCli/","title":"FunctionCli","text":""},{"location":"cli/FunctionCli/#handle","title":"Handling Command Line","text":"
void handle(\n  CommandLine cmd,\n  ApiClient apiClient)\n

handle handles the given cmd.

Subcommand Params Handler call full_name executeFunction get full_name getFunction ...

handle is used when:

  • UnityCatalogCli is launched on command line with function command
"},{"location":"cli/FunctionCli/#executeFunction","title":"Executing Function","text":"
String executeFunction(\n  FunctionsApi functionsApi,\n  JSONObject json)\n

executeFunction requests the given FunctionsApi for the function (by the full_name parameter) and executes it using etc/data/function/python_engine.py Python runtime.

Note

FunctionsApi sends HTTP requests to FunctionService.

"},{"location":"cli/FunctionCli/#getFunction","title":"Looking Up Function","text":"
String getFunction(\n  FunctionsApi functionsApi,\n  JSONObject json)\n

getFunction requests the given FunctionsApi for the function (by the full_name parameter) and converts it to JSON (using the ObjectWriter).

Note

FunctionsApi sends HTTP requests to FunctionService.

$ ./bin/uc function get --full_name unity.default.sum --output jsonPretty\n{\n  \"name\" : \"sum\",\n  \"catalog_name\" : \"unity\",\n  \"schema_name\" : \"default\",\n  \"input_params\" : {\n    \"parameters\" : [ {\n      \"name\" : \"x\",\n      \"type_text\" : \"int\",\n      \"type_json\" : \"{\\\"name\\\":\\\"x\\\",\\\"type\\\":\\\"integer\\\",\\\"nullable\\\":true,\\\"metadata\\\":{}}\",\n      \"type_name\" : \"INT\",\n      \"type_precision\" : null,\n      \"type_scale\" : null,\n      \"type_interval_type\" : null,\n      \"position\" : 0,\n      \"parameter_mode\" : null,\n      \"parameter_type\" : null,\n      \"parameter_default\" : null,\n      \"comment\" : null\n    }, {\n      \"name\" : \"y\",\n      \"type_text\" : \"int\",\n      \"type_json\" : \"{\\\"name\\\":\\\"y\\\",\\\"type\\\":\\\"integer\\\",\\\"nullable\\\":true,\\\"metadata\\\":{}}\",\n      \"type_name\" : \"INT\",\n      \"type_precision\" : null,\n      \"type_scale\" : null,\n      \"type_interval_type\" : null,\n      \"position\" : 1,\n      \"parameter_mode\" : null,\n      \"parameter_type\" : null,\n      \"parameter_default\" : null,\n      \"comment\" : null\n    }, {\n      \"name\" : \"z\",\n      \"type_text\" : \"int\",\n      \"type_json\" : \"{\\\"name\\\":\\\"z\\\",\\\"type\\\":\\\"integer\\\",\\\"nullable\\\":true,\\\"metadata\\\":{}}\",\n      \"type_name\" : \"INT\",\n      \"type_precision\" : null,\n      \"type_scale\" : null,\n      \"type_interval_type\" : null,\n      \"position\" : 2,\n      \"parameter_mode\" : null,\n      \"parameter_type\" : null,\n      \"parameter_default\" : null,\n      \"comment\" : null\n    } ]\n  },\n  \"data_type\" : \"INT\",\n  \"full_data_type\" : \"INT\",\n  \"return_params\" : null,\n  \"routine_body\" : \"EXTERNAL\",\n  \"routine_definition\" : \"t = x + y + z\\\\nreturn t\",\n  \"routine_dependencies\" : null,\n  \"parameter_style\" : \"S\",\n  \"is_deterministic\" : true,\n  \"sql_data_access\" : \"NO_SQL\",\n  \"is_null_call\" : false,\n  \"security_type\" : \"DEFINER\",\n  \"specific_name\" : \"sum\",\n  \"comment\" : \"Add two numbers\",\n  \"properties\" : null,\n  \"full_name\" : \"unity.default.sum\",\n  \"created_at\" : 1720082975600,\n  \"updated_at\" : null,\n  \"function_id\" : \"6b587147-128f-4f05-8a4f-173a18831bdf\",\n  \"external_language\" : \"python\"\n}\n
"},{"location":"cli/ModelCli/","title":"ModelCli","text":"

ModelCli is used by UnityCatalogCli to handle registered_model sub-commands.

\u276f ./bin/uc registered_model --help\nPlease provide a valid sub-command for registered_model.\nValid sub-commands for registered_model are: get, create, update, list, delete\nFor detailed help on registered_model sub-commands, use bin/uc registered_model <sub-command> --help\n
"},{"location":"cli/ModelCli/#handle","title":"Handle Command Line","text":"
void handle(\n  CommandLine cmd,\n  ApiClient apiClient)\n

handle handles the given cmd.

handle creates a RegisteredModelsApi (with the given ApiClient).

Subcommand Handler API Handlers create createRegisteredModel RegisteredModelsApi list listRegisteredModels RegisteredModelsApi get getRegisteredModel RegisteredModelsApi update updateRegisteredModel RegisteredModelsApi delete deleteRegisteredModel RegisteredModelsApi

handle is used when:

  • UnityCatalogCli is launched on command line with registered_model command
"},{"location":"cli/ModelCli/#createRegisteredModel","title":"Create Registered Model","text":"
String createRegisteredModel(\n  RegisteredModelsApi registeredModelsApi,\n  JSONObject json)\n

createRegisteredModel deserializes (converts) the given JSONObject into CreateRegisteredModel.

createRegisteredModel requests the given RegisteredModelsApi to create a model (based on the CreateRegisteredModel).

Example

./bin/uc registered_model create \\\n    --catalog unity \\\n    --schema default \\\n    --name ccc \\\n    --comment 'This is a demo'\n
\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502              KEY              \u2502                                                                VALUE                                                                 \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502NAME                           \u2502ccc                                                                                                                                   \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502CATALOG_NAME                   \u2502unity                                                                                                                                 \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502SCHEMA_NAME                    \u2502default                                                                                                                               \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502STORAGE_LOCATION               \u2502file:/tmp/ucroot/f029b870-9468-4f10-badc-630b41e5690d/b08dfd57-a939-46cf-b102-9b906b884fae/models/2e852506-4c70-4364-9c5e-d4a7ad9863ac\u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502FULL_NAME                      \u2502unity.default.ccc                                                                                                                     \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502COMMENT                        \u2502This is a demo                                                                                                                        \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502CREATED_AT                     \u25021725821472898                                                                                                                         \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502CREATED_BY                     \u2502null                                                                                                                                  \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502UPDATED_AT                     \u25021725821472898                                                                                                                         \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502UPDATED_BY                     \u2502null                                                                                                                                  \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502MODEL_ID                       \u25022e852506-4c70-4364-9c5e-d4a7ad9863ac                                                                                                  \u2502\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n

Note

RegisteredModelsApi sents POST HTTP requests to /api/2.1/unity-catalog/models endpoint.

"},{"location":"cli/ModelVersionCli/","title":"ModelVersionCli","text":"

ModelVersionCli...FIXME

"},{"location":"cli/PermissionCli/","title":"PermissionCli","text":"

PermissionCli is used by UnityCatalogCli to handle permission sub-commands.

$ ./bin/uc permission --help\nPlease provide a valid sub-command for permission.\nValid sub-commands for permission are: get, create, delete\nFor detailed help on permission sub-commands, use bin/uc permission <sub-command> --help\n

Note

Permissions and Privilege Assignments are synonyms.

"},{"location":"cli/PermissionCli/#securable-types","title":"Securable Types","text":"

There are the following types of the securables in Unity Catalog:

  1. catalog
  2. function
  3. metastore
  4. registered_model
  5. schema
  6. table
  7. volume
"},{"location":"cli/PermissionCli/#handle","title":"Handle Command Line","text":"
void handle(\n  CommandLine cmd,\n  ApiClient apiClient)\n

handle handles the given cmd.

handle creates a GrantsApi (with the given ApiClient).

Subcommand Handler API Handlers create updatePermission GrantsApi delete updatePermission GrantsApi get getPermission GrantsApi

handle is used when:

  • UnityCatalogCli is launched on command line with permission command
"},{"location":"cli/PermissionCli/#getPermission","title":"Get Permission","text":"
String getPermission(\n  GrantsApi grantsApi,\n  JSONObject json)\n

getPermission handles get sub-command.

Help 
./bin/uc permission get --help\n
Usage: bin/uc permission get [options]\nRequired Params:\n  --securable_type The type of the securable\n  --name The name of the entity.\nOptional Params:\n  --server UC Server to connect to. Default is reference server.\n  --auth_token PAT token to authorize uc requests.\n  --output To indicate CLI output format preference. Supported values are json and jsonPretty.\n  --principal The target principal of the permission change\n

getPermission extracts the following command-line options from the given JSONObject:

  • securable_type
  • name
  • principal

getPermission requests the GrantsApi for the privilege assignments of the given name (of securable_type type).

"},{"location":"cli/PythonInvoker/","title":"PythonInvoker","text":""},{"location":"cli/SchemaCli/","title":"SchemaCli","text":"

SchemaCli...FIXME

"},{"location":"cli/TableCli/","title":"TableCli","text":"

TableCli is used by UnityCatalogCli to handle table sub-commands.

$ ./bin/uc table --help\nPlease provide a valid sub-command for table.\nValid sub-commands for table are: read, get, create, list, write, delete\nFor detailed help on table sub-commands, use bin/uc table <sub-command> --help\n

Read-write support for delta tables only

Only delta tables are supported for read and write operations.

"},{"location":"cli/TableCli/#handle","title":"Handle Command Line","text":"
void handle(\n  CommandLine cmd,\n  ApiClient apiClient)\n

handle handles the given cmd.

handle creates a TablesApi and TemporaryTableCredentialsApi (with the given ApiClient).

Subcommand Handler API Handlers create createTable TablesApi delete deleteTable TablesApi get getTable TablesApi list listTables TablesApi read readTable TablesApiTemporaryTableCredentialsApi write writeTable TablesApiTemporaryTableCredentialsApi

handle is used when:

  • UnityCatalogCli is launched on command line with table command
"},{"location":"cli/TableCli/#createTable","title":"Create Table","text":"
String createTable(\n  TablesApi apiClient,\n  JSONObject json)\n

createTable handles create sub-command.

Help 
./bin/uc table create --help\n
Usage: bin/uc table create [options]\nRequired Params:\n  --full_name The full name in the format catalog_name.schema_name for schema, or catalog_name.schema_name.table_name for table/function/volume\n  --columns The columns of the table. Each column spec should be in the sql-like format  \"column_name column_data_type\".Supported data types are BOOLEAN, BYTE, SHORT, INT, LONG, FLOAT, DOUBLE, DATE, TIMESTAMP, TIMESTAMP_NTZ, STRING, BINARY, DECIMAL. Multiple columns should be separated by a comma. For example: \"id INT, name STRING\".\n  --storage_location The storage location associated with the table. Need to be specified for external tables.\nOptional Params:\n  --server UC Server to connect to. Default is reference server.\n  --auth_token PAT token to authorize uc requests.\n  --output To indicate CLI output format preference. Supported values are json and jsonPretty.\n  --format The format of the data source. Supported values are DELTA, PARQUET, ORC, JSON, CSV, AVRO and TEXT.\n  --properties The properties of the entity. Need to be in json format. For example: \"{\"key1\": \"value1\", \"key2\": \"value2\"}\".\n

createTable takes the full_name command-line option (from the given JSONObject) and extracts the parts (as if they were given separately).

Note

createTable accepts a three-level namespace ([catalog].[schema].[name]) only.

Note

The command-line option is full_name yet it is removed and replaced by the three parts.

Unless specified, createTable sets table_type to be EXTERNAL.

No Support for Managed Tables using CLI

Only EXTERNAL tables are created using ./bin/uc command-line utility.

Unless specified (using format CLI option), createTable sets data_source_format to be DELTA.

createTable creates a CreateTable:

CreateTable Server Param CLI Option name name name catalogName catalog_name catalog schemaName schema_name schema columns columns columns properties properties properties tableType table_type table_type dataSourceFormat data_source_format format

For EXTERNAL table type, createTable sets storage_location of the CreateTable as the value of storage_location command-line option and handleTableStorageLocation.

Storage Location

Storage locations must start with the following prefixes:

  • s3://
  • file:/
  • / for absolute local filesystem paths

External Tables with Local Storage Locations

For external tables with non-s3:// storage locations, createTable creates a delta table only.

createTable requests the given TablesApi client to send the CreateTable to the server (that responds with a TableInfo).

Note

The CreateTable request is sent out as a POST request to /tables API endpoint.

"},{"location":"cli/TableCli/#handleTableStorageLocation","title":"handleTableStorageLocation","text":"
void handleTableStorageLocation(\n  String storageLocation,\n  List<ColumnInfo> columnInfos)\n

handleTableStorageLocation supports storageLocations with one of the following prefixes (or throws a CliException):

  • s3://
  • file:/
  • / for absolute local filesystem paths

For a local filesystem path (a non-s3:// storage location), handleTableStorageLocation creates an empty delta table (the directory with a delta log at the storage location).

No AwsCredentials Used

handleTableStorageLocation creates an empty delta table with no AwsCredentials (null).

"},{"location":"cli/TableCli/#writeTable","title":"Write to Delta Table","text":"
String writeTable(\n  TemporaryTableCredentialsApi temporaryTableCredentialsApi,\n  TablesApi tablesApi,\n  JSONObject json)\n

Only delta tables supported

writeTable can only write to delta tables (with DELTA format in the catalog).

writeTable looks up the table (by the full_name parameter).

writeTable requests temporary table credentials for READ_WRITE operation on the table.

Only for a delta table, writeTable writes out sample data.

"},{"location":"cli/UnityCatalogCli/","title":"UnityCatalogCli","text":"

UnityCatalogCli can be launched on command line using ./bin/uc command-line utility.

"},{"location":"cli/UnityCatalogCli/#options","title":"Options","text":""},{"location":"cli/UnityCatalogCli/#auth_token","title":"auth_token","text":"

Personal access token (PAT) to authorize requests

When specified, UnityCatalogCli creates an ApiClient that adds the bearer token in the HTTP Authorization header to every request.

authorization: Bearer [pat]\n
"},{"location":"cli/UnityCatalogCli/#server","title":"server","text":"

Default: http://localhost:8080

"},{"location":"cli/UnityCatalogCli/#main","title":"Launching Standalone Application","text":"

main creates an ApiClient and handles the command (specified as the first argument on command line).

Command Handler auth AuthCli catalog CatalogCli function FunctionCli model_version ModelVersionCli permission PermissionCli registered_model ModelCli schema SchemaCli table TableCli user UserCli volume VolumeCli"},{"location":"cli/UnityCatalogCli/#getApiClient","title":"Creating ApiClient","text":"
ApiClient getApiClient(\n  CommandLine cmd)\n

getApiClient creates an ApiClient with the following:

Attribute Value The host name of the UC service server option The port number of the UC service The port from the server option, if specified, or one of the following:
  • 443 for https scheme
  • 8080 for http scheme"},{"location":"cli/UnityCatalogCli/#logging","title":"Logging","text":"

    UnityCatalogCli uses etc/conf/cli.log4j2.properties as the logging configuration file (via log4j.configurationFile configuration property).

    "},{"location":"cli/UserCli/","title":"UserCli","text":"

    UserCli is used by UnityCatalogCli to handle user sub-commands.

    $ ./bin/uc user --help\nPlease provide a valid sub-command for user.\nValid sub-commands for user are: get, create, update, list, delete\nFor detailed help on user sub-commands, use bin/uc user <sub-command> --help\n
    "},{"location":"cli/UserCli/#handle","title":"Handle Command Line","text":"
    void handle(\n  CommandLine cmd,\n  ApiClient apiClient)\n

    handle handles the given cmd.

    handle creates a UsersApi (with the given ApiClient).

    Subcommand Handler API Handlers create createUser UsersApi delete deleteUser UsersApi get getUser UsersApi list listUsers UsersApi update updateUser UsersApi

    handle is used when:

    • UnityCatalogCli is launched on command line with user command
    "},{"location":"cli/VolumeCli/","title":"VolumeCli","text":"

    VolumeCli...FIXME

    "},{"location":"client/","title":"Unity Catalog's Client API","text":""},{"location":"client/ApiClient/","title":"ApiClient","text":"

    ApiClient is an API client of Unity Catalog Localhost Reference Server.

    OpenAPI Generator

    ApiClient was auto-generated using OpenAPI Generator based on Unity Catalog's OpenAPI specification.

    sbt-openapi-generator 7.5.0 is used in the client sbt module of the unitycatalog project.

    ApiClient uses http://localhost:8080/api/2.1/unity-catalog as the default base URI (unless overriden).

    ApiClient is used by UnityCatalogCli.

    "},{"location":"client/ApiClient/#updateBaseUri","title":"updateBaseUri","text":"
    void updateBaseUri(\n  String baseUri)\n

    updateBaseUri...FIXME

    "},{"location":"contenders/","title":"Contenders","text":"

    As it happens in the OSS world, Unity Catalog is not alone in the area of metadata catalogs for data and AI. The following is a list of some other OSS projects that seem to compete or cover the same use cases.

    "},{"location":"contenders/#polaris-catalog","title":"Polaris Catalog","text":"

    Polaris Catalog Is Now Open Source

    "},{"location":"credential-vending/","title":"Credential Vending","text":"

    Credential Vending provides temporary, down-scoped credentials for secure access to the following Unity Catalog securables:

    • Model Versions
    • Paths
    • Tables
    • Volumes

    Credential Vending uses CredentialOperations to vend credentials to get temporary access to assets (data) stored in the following cloud object storages:

    • Amazon S3
    • Microsoft Azure
    • Google Cloud
    "},{"location":"credential-vending/#privileges","title":"Privileges","text":"

    Credential Vending supports the following privileges:

    • SELECT
    • UPDATE
    Permissions

    Privileges is a synonym of Permissions.

    "},{"location":"credential-vending/#amazon-s3","title":"Amazon S3","text":"

    Alex Reid once wrote:

    For UC OSS to work with S3, you need a role (you give the arn of that role in the properties) that has access to the bucket (also set in the properties) and you also need a user that can assume that role (and you provide the creds for that user in the properties)

    In order to properly downscope vended credentials (when asking for creds to a specific table, etc.), we need to be able to assume a role that has broader bucket access.

    UC OSS doesn't yet support more advanced AWS access-like identity federation, etc.

    And later Alex wrote:

    you need to set a roleArn in the server.properties that has access to the bucket AND which the instance profile attached to the server can assume.

    This is how scoped AWS credentials work (you need to assume a role that has access to the bucket in order to give scoped temporary credentials)

    "},{"location":"credential-vending/#learning-resources","title":"Learning Resources","text":"
    1. AWS Lake Formation
    "},{"location":"credential-vending/AwsCredentialVendor/","title":"AwsCredentialVendor","text":"

    AwsCredentialVendor is...FIXME

    "},{"location":"credential-vending/AzureCredentialVendor/","title":"AzureCredentialVendor","text":"

    AzureCredentialVendor is...FIXME

    "},{"location":"credential-vending/CredentialContext/","title":"CredentialContext","text":""},{"location":"credential-vending/CredentialContext/#create","title":"Create CredentialContext","text":"
    CredentialContext create(\n  URI locationURI,\n  Set<Privilege> privileges)\n

    create builds a CredentialContext for the given privileges and the storage locationURI.

    CredentialContext holds the following extra information based on the storage locationURI:

    URI Component Value Storage Scheme The [<scheme>:]<scheme-specific-part>[#<fragment>] part Storage Base The [<scheme>:]<scheme-specific-part>[#<fragment>] part followed by :// and [//<authority>]<path>[?<query>] Locations The storage locationURI Static Method

    create is a Java class method to be invoked without a reference to a particular object.

    Learn more in the Java Language Specification.

    create is used when:

    • CredentialOperations is requested to vend credentials
    • FileIOFactory is requested to getCredentialContextFromTableLocation
    • TableConfigService is requested to getTableConfig
    "},{"location":"credential-vending/CredentialOperations/","title":"CredentialOperations","text":""},{"location":"credential-vending/CredentialOperations/#awsCredentialVendor","title":"AwsCredentialVendor","text":"

    AwsCredentialVendor is created alongside CredentialOperations.

    "},{"location":"credential-vending/CredentialOperations/#azureCredentialVendor","title":"AzureCredentialVendor","text":""},{"location":"credential-vending/CredentialOperations/#gcpCredentialVendor","title":"GcpCredentialVendor","text":"

    GcpCredentialVendor is created alongside CredentialOperations.

    "},{"location":"credential-vending/CredentialOperations/#vendCredential","title":"Vend Credentials","text":"
    TemporaryCredentials vendCredential(\n  String path,\n  Set<CredentialContext.Privilege> privileges) // (1)!\nTemporaryCredentials vendCredential(\n  CredentialContext context)\n
    1. Uses a new CredentialContext for the given storage location (path) and the privileges.
    BaseException

    vendCredential throws a BaseException when the path is undefined (null or empty).

    Storage Location

    The input path is also known as a storage location.

    vendCredential creates a CredentialContext for the given storage location (path) and the privileges.

    vendCredential creates a TemporaryCredentials model with Cloud Provider-specific settings (based on the storage scheme of the CredentialContext).

    Storage Scheme Credential Vending Mechanism TemporaryCredentials abfs or abfss AzureCredential AzureUserDelegationSAS
    • sasToken
    • expirationTime gs AccessToken GcpOauthToken
      • oauthToken
      • expirationTime s3 Credentials AwsCredentials
        • accessKeyId
        • secretAccessKey
        • sessionToken

          vendCredential is used when:

          • TemporaryModelVersionCredentialsService is requested to generateTemporaryModelVersionCredentials
          • TemporaryPathCredentialsService is requested to generateTemporaryPathCredential
          • TemporaryTableCredentialsService is requested to generateTemporaryTableCredential
          • TemporaryVolumeCredentialsService is requested to generateTemporaryTableCredential
          "},{"location":"credential-vending/GcpCredentialVendor/","title":"GcpCredentialVendor","text":""},{"location":"credential-vending/GcpCredentialVendor/#creating-instance","title":"Creating Instance","text":"

          GcpCredentialVendor takes no arguments to be created.

          While being created, GcpCredentialVendor initializes the gcsConfigurations.

          GcpCredentialVendor is created alongside CredentialOperations.

          "},{"location":"demo/","title":"Demo","text":"

          The following demo are available:

          • Spark Connector
          • CRUD with External Delta Table
          • Namespace Support in Spark Connector
          • Spark Connector and External Tables on AWS S3
          "},{"location":"demo/crud-external-delta-table/","title":"Demo: CRUD with External Delta Table","text":"

          The demo is prepared in such a way to showcase two features of Unity Catalog at the same time:

          1. Create an external delta table (uc table create)
          2. Write sample data to an external delta table (uc table write)
          3. Read the delta table using Unity Catalog CLI (uc table read)
          4. Read the delta table using Spark Connector

          That's why the catalog name is the default Spark SQL catalog spark_catalog (not Unity Catalog's unity).

          "},{"location":"demo/crud-external-delta-table/#create-spark_catalog-in-unity-catalog","title":"Create spark_catalog in Unity Catalog","text":"SHELL 
          ./bin/uc catalog create --name spark_catalog\n
          \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502              KEY              \u2502                            VALUE                             \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502NAME                           \u2502spark_catalog                                                 \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502COMMENT                        \u2502null                                                          \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502PROPERTIES                     \u2502{}                                                            \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502CREATED_AT                     \u25021721933958175                                                 \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502UPDATED_AT                     \u2502null                                                          \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502ID                             \u25020469f2dd-ecce-498d-8fd9-6c04f333135e                          \u2502\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n
          "},{"location":"demo/crud-external-delta-table/#create-demo-schema","title":"Create Demo Schema","text":"SHELL 
          ./bin/uc schema create \\\n    --catalog spark_catalog \\\n    --name demo\n
          \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502        KEY         \u2502                 VALUE                  \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502NAME                \u2502demo                                    \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502CATALOG_NAME        \u2502spark_catalog                           \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502COMMENT             \u2502null                                    \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502PROPERTIES          \u2502{}                                      \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502FULL_NAME           \u2502spark_catalog.demo                      \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502CREATED_AT          \u25021721934667143                           \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502UPDATED_AT          \u2502null                                    \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502SCHEMA_ID           \u2502f77e80f4-8c14-4da3-b890-0e27d6af1ef5    \u2502\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n
          "},{"location":"demo/crud-external-delta-table/#create-external-delta-table","title":"Create External Delta Table","text":"SHELL 
          ./bin/uc table create \\\n    --full_name spark_catalog.demo.delta_table \\\n    --columns \"id INT, name STRING\" \\\n    --storage_location /tmp/delta_table\n
          Table created successfully at: file:///tmp/delta_table\n\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502        KEY         \u2502                                          VALUE                                           \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502NAME                \u2502delta_table                                                                               \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502CATALOG_NAME        \u2502spark_catalog                                                                             \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502SCHEMA_NAME         \u2502demo                                                                                      \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502TABLE_TYPE          \u2502EXTERNAL                                                                                  \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502DATA_SOURCE_FORMAT  \u2502DELTA                                                                                     \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502COLUMNS             \u2502{\"name\":\"id\",\"type_text\":\"int\",\"type_json\":\"{\\\"name\\\":\\\"id\\\",\\\"type\\\":\\\"integer\\\",\\\"nullab\u2502\n\u2502                    \u2502le\\\":true,\\\"metadata\\\":{}}\",\"type_name\":\"INT\",\"type_precision\":0,\"type_scale\":0,\"type_inte\u2502\n\u2502                    \u2502rval_type\":null,\"position\":0,\"comment\":null,\"nullable\":true,\"partition_index\":null}       \u2502\n\u2502                    \u2502{\"name\":\"name\",\"type_text\":\"string\",\"type_json\":\"{\\\"name\\\":\\\"name\\\",\\\"type\\\":\\\"string\\\",\\\"\u2502\n\u2502                    \u2502nullable\\\":true,\\\"metadata\\\":{}}\",\"type_name\":\"STRING\",\"type_precision\":0,\"type_scale\":0,\"\u2502\n\u2502                    \u2502type_interval_type\":null,\"position\":1,\"comment\":null,\"nullable\":true,\"partition_index\":nul\u2502\n\u2502                    \u2502l}                                                                                        \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502STORAGE_LOCATION    \u2502file:///tmp/delta_table/                                                                  \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502COMMENT             \u2502null                                                                                      \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502PROPERTIES          \u2502{}                                                                                        \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502CREATED_AT          \u25021721934728723                                                                             \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502UPDATED_AT          \u2502null                                                                                      \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502TABLE_ID            \u25029ddc7ba3-a2b1-4bad-b358-f9910ca0eaa9                                                      \u2502\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n
          "},{"location":"demo/crud-external-delta-table/#read-delta-table","title":"Read Delta Table","text":"SHELL 
          ./bin/uc table read \\\n    --full_name spark_catalog.demo.delta_table\n
          \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502id(integer)                            \u2502name(string)                          \u2502\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n
          "},{"location":"demo/crud-external-delta-table/#write-sample-data-out-to-delta-table","title":"Write Sample Data Out to Delta Table","text":"SHELL 
          ./bin/uc table write \\\n    --full_name spark_catalog.demo.delta_table\n
          Table written to successfully at: file:///tmp/delta_table/\n\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502        KEY         \u2502                 VALUE                  \u2502\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n
          "},{"location":"demo/crud-external-delta-table/#read-delta-table_1","title":"Read Delta Table","text":"SHELL 
          ./bin/uc table read \\\n    --full_name spark_catalog.demo.delta_table\n
          \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502id(integer)                            \u2502name(string)                          \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u25021                                      \u2502eoFmOHAqPM                            \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u25022                                      \u2502YGzacYHtUa                            \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u25023                                      \u2502IiaJlcUhgu                            \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u25024                                      \u2502yTiXPwxFvP                            \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u25025                                      \u2502FbHXPqhLyS                            \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u25026                                      \u2502FRLqZGMlKj                            \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u25027                                      \u2502VVdiVyaFsh                            \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u25028                                      \u2502DNSTNQfhXX                            \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u25029                                      \u2502BRXCMWjFsG                            \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u250210                                     \u2502NYucEJZuTK                            \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u250211                                     \u2502USIjlhqNMN                            \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u250212                                     \u2502jNXDZkbRnn                            \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u250213                                     \u2502EiNApsmzaz                            \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u250214                                     \u2502TgfXQtocFo                            \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u250215                                     \u2502TksgpbjlIW                            \u2502\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n
          "},{"location":"demo/crud-external-delta-table/#spark-connector","title":"Spark Connector","text":"Spark 3.5.1 + Delta Lake 3.2.0 
          ./bin/spark-shell \\\n    --packages \\\n        io.delta:delta-spark_2.13:3.2.0,io.unitycatalog:unitycatalog-spark:0.2.0-SNAPSHOT \\\n    --conf spark.sql.extensions=io.delta.sql.DeltaSparkSessionExtension \\\n    --conf spark.sql.catalog.spark_catalog=io.unitycatalog.connectors.spark.UCSingleCatalog \\\n    --conf spark.sql.catalog.spark_catalog.uri=http://localhost:8080 \\\n    --conf spark.sql.catalog.unity=io.unitycatalog.connectors.spark.UCSingleCatalog \\\n    --conf spark.sql.catalog.unity.uri=http://localhost:8080\n
          Spark Shell 
          spark.table(\"demo.delta_table\").show\n
          +---+----------+\n| id|      name|\n+---+----------+\n|  1|eoFmOHAqPM|\n|  2|YGzacYHtUa|\n|  3|IiaJlcUhgu|\n|  4|yTiXPwxFvP|\n|  5|FbHXPqhLyS|\n|  6|FRLqZGMlKj|\n|  7|VVdiVyaFsh|\n|  8|DNSTNQfhXX|\n|  9|BRXCMWjFsG|\n| 10|NYucEJZuTK|\n| 11|USIjlhqNMN|\n| 12|jNXDZkbRnn|\n| 13|EiNApsmzaz|\n| 14|TgfXQtocFo|\n| 15|TksgpbjlIW|\n+---+----------+\n
          "},{"location":"demo/namespace-support-in-spark-connector/","title":"Demo: Namespace Support in Spark Connector","text":"

          The demo shows support in Unity Catalog's Spark Connector for various namespace-related commands (e.g., SHOW NAMESPACES, DESC NAMESPACE).

          Spark 3.5.1 + Delta Lake 0.3.0-SNAPSHOT 
          SPARK_SUBMIT_OPTS=-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=*:5555 \\\n./bin/spark-shell \\\n  --packages \\\n    io.delta:delta-spark_2.13:3.2.0,io.unitycatalog:unitycatalog-spark:0.3.0-SNAPSHOT \\\n  --conf spark.sql.extensions=io.delta.sql.DeltaSparkSessionExtension \\\n  --conf spark.sql.catalog.spark_catalog=io.unitycatalog.connectors.spark.UCSingleCatalog \\\n  --conf spark.sql.catalog.spark_catalog.uri=http://localhost:8080 \\\n  --conf spark.sql.catalog.unity=io.unitycatalog.connectors.spark.UCSingleCatalog \\\n  --conf spark.sql.catalog.unity.uri=http://localhost:8080\n
          Welcome to\n        ____              __\n    / __/__  ___ _____/ /__\n    _\\ \\/ _ \\/ _ `/ __/  '_/\n    /___/ .__/\\_,_/_/ /_/\\_\\   version 3.5.1\n        /_/\n\nUsing Scala version 2.13.8 (OpenJDK 64-Bit Server VM, Java 17.0.12)\n
          Spark Shell 
          sql(\"SET spark.sql.defaultCatalog\").show(truncate=false)\n
          +------------------------+-------------+\n|key                     |value        |\n+------------------------+-------------+\n|spark.sql.defaultCatalog|spark_catalog|\n+------------------------+-------------+\n
          Spark Shell 
          sql(\"SELECT current_catalog()\").show(truncate=false)\n
          +-----------------+\n|current_catalog()|\n+-----------------+\n|spark_catalog    |\n+-----------------+\n

          The following executes UCSingleCatalog.initialize that in turn creates a UCProxy.

          assert(spark.sessionState.catalogManager.currentCatalog.isInstanceOf[io.unitycatalog.connectors.spark.UCSingleCatalog])\n
          assert(spark.sessionState.catalogManager.currentCatalog.name == \"spark_catalog\")\n

          SHOW NAMESPACES requests the UCProxy to list the namespaces with the name of the catalog. No IN clause means the current default catalog.

          Note

          There is this single unity catalog registered in Unity Catalog by default. No other catalogs (incl. the default spark_catalog in Apache Spark) are available.

          Unity Catalog CLI 
          ./bin/uc catalog list\n
          \u250c\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502NAME \u2502  COMMENT   \u2502PROPERTIES\u2502 CREATED_AT  \u2502UPDATED_AT\u2502                 ID                 \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502unity\u2502Main catalog\u2502{}        \u25021721234405334\u2502null      \u2502f029b870-9468-4f10-badc-630b41e5690d\u2502\n\u2514\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n
          Spark Shell 
          sql(\"SHOW NAMESPACES\").show()\n
          io.unitycatalog.client.ApiException: listSchemas call failed with: 404 - {\"error_code\":\"NOT_FOUND\",\"details\":[{\"reason\":\"NOT_FOUND\",\"metadata\":{},\"@type\":\"google.rpc.ErrorInfo\"}],\"stack_trace\":null,\"message\":\"Catalog not found: spark_catalog\"}\n  at io.unitycatalog.client.api.SchemasApi.getApiException(SchemasApi.java:77)\n  at io.unitycatalog.client.api.SchemasApi.listSchemasWithHttpInfo(SchemasApi.java:358)\n  at io.unitycatalog.client.api.SchemasApi.listSchemas(SchemasApi.java:334)\n  at io.unitycatalog.connectors.spark.UCProxy.listNamespaces(../spark-connector/UCSingleCatalog.scala:218)\n  at org.apache.spark.sql.connector.catalog.DelegatingCatalogExtension.listNamespaces(DelegatingCatalogExtension.java:140)\n  at io.unitycatalog.connectors.spark.UCSingleCatalog.listNamespaces(../spark-connector/UCSingleCatalog.scala:63)\n  at org.apache.spark.sql.execution.datasources.v2.ShowNamespacesExec.run(ShowNamespacesExec.scala:42)\n  ...\n

          Querying unity catalog works just fine.

          Spark Shell 
          sql(\"SHOW NAMESPACES IN unity\").show()\n
          +---------+\n|namespace|\n+---------+\n|  default|\n+---------+\n

          When requested for the tables, UCProxy uses the name of the catalog (i.e., spark_catalog) as the catalog name to talk to the TableService for the table list.

          Spark Shell 
          sql(\"SHOW TABLES\").show(truncate = false)\n
          io.unitycatalog.client.ApiException: listTables call failed with: 404 - {\"error_code\":\"NOT_FOUND\",\"details\":[{\"reason\":\"NOT_FOUND\",\"metadata\":{},\"@type\":\"google.rpc.ErrorInfo\"}],\"stack_trace\":null,\"message\":\"Catalog not found: spark_catalog\"}\n  at io.unitycatalog.client.api.TablesApi.getApiException(TablesApi.java:76)\n  at io.unitycatalog.client.api.TablesApi.listTablesWithHttpInfo(TablesApi.java:342)\n  at io.unitycatalog.client.api.TablesApi.listTables(TablesApi.java:317)\n  at io.unitycatalog.connectors.spark.UCProxy.listTables(../spark-connector/UCSingleCatalog.scala:129)\n  at org.apache.spark.sql.connector.catalog.DelegatingCatalogExtension.listTables(DelegatingCatalogExtension.java:68)\n  at io.unitycatalog.connectors.spark.UCSingleCatalog.listTables(../spark-connector/UCSingleCatalog.scala:38)\n  ...\n
          Spark Shell 
          sql(\"SHOW TABLES IN unity.default\").show(truncate = false)\n
          +---------+-----------------+-----------+\n|namespace|tableName        |isTemporary|\n+---------+-----------------+-----------+\n|default  |marksheet        |false      |\n|default  |marksheet_uniform|false      |\n|default  |numbers          |false      |\n|default  |user_countries   |false      |\n+---------+-----------------+-----------+\n

          Let's define spark_catalog in Unity Catalog (to match Spark SQL's session catalog).

          ./bin/uc catalog create --name spark_catalog\n
          Unity Catalog CLISpark Shell 
          ./bin/uc catalog list\n
          \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502    NAME     \u2502  COMMENT   \u2502PROPERTIES\u2502 CREATED_AT  \u2502UPDATED_AT\u2502                 ID                 \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502spark_catalog\u2502null        \u2502{}        \u25021722721567116\u2502null      \u2502c3cf6d26-3cba-4071-bdcf-417ecdb45445\u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502unity        \u2502Main catalog\u2502{}        \u25021721234405334\u2502null      \u2502f029b870-9468-4f10-badc-630b41e5690d\u2502\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n
          sql(\"SHOW CATALOGS\").show()\n
          +-------------+\n|      catalog|\n+-------------+\n|spark_catalog|\n|        unity|\n+-------------+\n

          There's a tiny bug in Unity Catalog with DESC NAMESPACE with just a catalog and no sub-namespace.

          Spark Shell 
          sql(\"DESC NAMESPACE unity\").show()\n
          java.lang.ArrayIndexOutOfBoundsException: Index 0 out of bounds for length 0\n  at io.unitycatalog.connectors.spark.UCProxy.loadNamespaceMetadata(../spark-connector/UCSingleCatalog.scala:249)\n  at org.apache.spark.sql.connector.catalog.DelegatingCatalogExtension.loadNamespaceMetadata(DelegatingCatalogExtension.java:156)\n  at io.unitycatalog.connectors.spark.UCSingleCatalog.loadNamespaceMetadata(../spark-connector/UCSingleCatalog.scala:72)\n  ...\n

          Let's create a namespace in unity catalog.

          sql(\"CREATE NAMESPACE unity.sub_catalog\").show()\n
          Spark Shell 
          sql(\"DESC NAMESPACE unity.sub_catalog\").show()\n
          +--------------+-----------+\n|     info_name| info_value|\n+--------------+-----------+\n|  Catalog Name|      unity|\n|Namespace Name|sub_catalog|\n+--------------+-----------+\n
          "},{"location":"demo/spark-connector-and-external-tables-on-aws-s3/","title":"Demo: Spark Connector and External Tables on AWS S3","text":"

          Work in Progress

          This page is a work in progress until this warning disappears.

          ./bin/spark-sql \\\n  --name \"uc-external-tables-s3\" \\\n  --packages \"org.apache.hadoop:hadoop-aws:3.3.4,io.delta:delta-spark_2.13:3.2.1,io.unitycatalog:unitycatalog-spark_2.13:0.2.0-SNAPSHOT\" \\\n  --conf \"spark.sql.extensions=io.delta.sql.DeltaSparkSessionExtension\" \\\n  --conf \"spark.sql.catalog.spark_catalog=io.unitycatalog.spark.UCSingleCatalog\" \\\n  --conf \"spark.hadoop.fs.s3.impl=org.apache.hadoop.fs.s3a.S3AFileSystem\" \\\n  --conf \"spark.sql.catalog.unity=io.unitycatalog.spark.UCSingleCatalog\" \\\n  --conf \"spark.sql.catalog.unity.uri=http://localhost:8080\" \\\n  --conf \"spark.sql.catalog.unity.token=$(cat ../unitycatalog/etc/conf/token.txt)\" \\\n  --conf \"spark.sql.defaultCatalog=unity\"\n
          ## Demo: Spark Connector and External Tables on AWS S3\ns3.bucketPath.0=s3://japila-unitycatalog\ns3.region.0=FIXME_region\ns3.awsRoleArn.0=FIXME_awsRoleArn\ns3.accessKey.0=FIXME_accessKey\ns3.secretKey.0=FIXME_secretKey\n
          "},{"location":"demo/spark-connector/","title":"Demo: Spark Connector","text":"

          This demo shows how to set up a Spark application (namely spark-shell and pyspark) with Unity Catalog using the Spark Connector module.

          "},{"location":"demo/spark-connector/#build-spark-connector","title":"Build Spark Connector","text":"

          Build the Spark Connector module.

          build/sbt '++2.13' clean package publishLocal\n

          Scala 2.13

          This demo uses the Scala 2.13 builds of Apache Spark, Delta Lake and Unity Catalog.

          Unless you built Apache Spark with Scala 2.13, replace any 2.13 in this demo with 2.12.

          Use spark-shell --version or pyspark --version to learn about your Spark build:

          \u276f ./bin/pyspark --version\nWelcome to\n    ____              __\n    / __/__  ___ _____/ /__\n    _\\ \\/ _ \\/ _ `/ __/  '_/\n/___/ .__/\\_,_/_/ /_/\\_\\   version 3.5.2\n    /_/\n\nUsing Scala version 2.13.8, OpenJDK 64-Bit Server VM, 17.0.12\nBranch heads/v3.5.2\nCompiled by user jacek on 2024-08-19T17:24:05Z\nRevision a26a80208d7c96b3e3e898f137a05d69cba759d6\nUrl <https://github.com/apache/spark.git>\nType --help for more information.\n

          Once the build is finished, you should find the following directories in the local ~/.ivy2 directory.

          \u276f ls -l ~/.ivy2/local/io.unitycatalog\ntotal 0\ndrwxr-xr-x@ 3 jacek  staff  96 Sep 22 18:53 unitycatalog-client\ndrwxr-xr-x@ 3 jacek  staff  96 Sep 22 18:53 unitycatalog-server\ndrwxr-xr-x@ 3 jacek  staff  96 Sep 22 18:53 unitycatalog-spark_2.13\n

          The Spark Connector module is under unitycatalog-spark_2.13/0.3.0-SNAPSHOT/jars directory.

          "},{"location":"demo/spark-connector/#run-spark-application-with-unity-catalog","title":"Run Spark Application with Unity Catalog","text":"Spark 3.5.3 + Delta Lake 3.2.1PySpark 3.5.3 + Delta Lake 3.2.1Spark 4.0.0-preview1 + Delta Lake 4.0.0rc1 
          ./bin/spark-shell \\\n  --packages \\\n    io.delta:delta-spark_2.13:3.2.1,io.unitycatalog:unitycatalog-spark_2.13:0.3.0-SNAPSHOT \\\n  --conf spark.sql.extensions=io.delta.sql.DeltaSparkSessionExtension \\\n  --conf spark.sql.catalog.spark_catalog=io.unitycatalog.spark.UCSingleCatalog \\\n  --conf spark.sql.catalog.spark_catalog.uri=http://localhost:8080 \\\n  --conf spark.sql.catalog.unity=io.unitycatalog.spark.UCSingleCatalog \\\n  --conf spark.sql.catalog.unity.uri=http://localhost:8080\n
          Welcome to\n      ____              __\n     / __/__  ___ _____/ /__\n    _\\ \\/ _ \\/ _ `/ __/  '_/\n   /___/ .__/\\_,_/_/ /_/\\_\\   version 3.5.2\n      /_/\n\nUsing Scala version 2.13.8 (OpenJDK 64-Bit Server VM, Java 17.0.12)\n
          scala> assert(spark.version == \"3.5.3\")\nscala> assert(io.delta.VERSION == \"3.2.1\")\n
          ./bin/pyspark \\\n  --packages \\\n    io.delta:delta-spark_2.13:3.2.1,io.unitycatalog:unitycatalog-spark_2.13:0.3.0-SNAPSHOT \\\n  --conf spark.sql.extensions=io.delta.sql.DeltaSparkSessionExtension \\\n  --conf spark.sql.catalog.spark_catalog=io.unitycatalog.spark.UCSingleCatalog \\\n  --conf spark.sql.catalog.spark_catalog.uri=http://localhost:8080 \\\n  --conf spark.sql.catalog.unity=io.unitycatalog.spark.UCSingleCatalog \\\n  --conf spark.sql.catalog.unity.uri=http://localhost:8080\n
          Welcome to\n      ____              __\n     / __/__  ___ _____/ /__\n    _\\ \\/ _ \\/ _ `/ __/  '_/\n   /__ / .__/\\_,_/_/ /_/\\_\\   version 3.5.2\n      /_/\n\nUsing Python version 3.9.16 (main, May 15 2023 18:51:40)\n

          Download Apache Spark 4.0.0-preview1 from Preview release of Spark 4.0.

          ./bin/spark-shell \\\n  --conf spark.jars.ivy=$HOME/.ivy2 \\\n  --packages \\\n    io.delta:delta-spark_2.13:4.0.0rc1,io.unitycatalog:unitycatalog-spark_2.13:0.3.0-SNAPSHOT \\\n  --conf spark.sql.extensions=io.delta.sql.DeltaSparkSessionExtension \\\n  --conf spark.sql.catalog.spark_catalog=io.unitycatalog.connectors.spark.UCSingleCatalog \\\n  --conf spark.sql.catalog.spark_catalog.uri=http://localhost:8080 \\\n  --conf spark.sql.catalog.unity=io.unitycatalog.connectors.spark.UCSingleCatalog \\\n  --conf spark.sql.catalog.unity.uri=http://localhost:8080\n
          Welcome to\n      ____              __\n    / __/__  ___ _____/ /__\n    _\\ \\/ _ \\/ _ `/ __/  '_/\n  /___/ .__/\\_,_/_/ /_/\\_\\   version 4.0.0-preview1\n      /_/\n\nUsing Scala version 2.13.14 (OpenJDK 64-Bit Server VM, Java 17.0.11)\n
          assert(spark4.version == \"4.0.0-preview1\", \"Unity Catalog 0.3.0-SNAPSHOT supports Apache Spark 4.0.0-preview1 only\")\nassert(io.delta4.version == \"4.0.0rc1\", \"Unity Catalog 0.3.0-SNAPSHOT supports Delta Lake 4.0.0rc1 only\")\n
          "},{"location":"demo/spark-connector/#default-spark_catalog","title":"Default spark_catalog","text":"

          The following is a list of the catalogs Unity Catalog comes with and knows about.

          $ ./bin/uc catalog list\n\u250c\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502NAME \u2502  COMMENT   \u2502PROPERTIES\u2502 CREATED_AT  \u2502UPDATED_AT\u2502                 ID                 \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502unity\u2502Main catalog\u2502{}        \u25021720429531248\u2502null      \u2502f68e0329-d510-4558-b984-457218f573d9\u2502\n\u2514\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n

          There is no spark_catalog catalog listed (as it is the default internal Spark SQL catalog).

          The following is a list of the catalogs Spark SQL knows about.

          spark.catalog.listCatalogs().show()\n
          +-------------+-----------+\n|         name|description|\n+-------------+-----------+\n|spark_catalog|       NULL|\n+-------------+-----------+\n

          There is the default spark_catalog catalog (but no Unity Catalog-specific unity catalog).

          spark.catalog.listDatabases().show()\n
          +----+-------------+-----------+-----------+\n|name|      catalog|description|locationUri|\n+----+-------------+-----------+-----------+\n|demo|spark_catalog|       NULL|       NULL|\n+----+-------------+-----------+-----------+\n
          assert(spark.catalog.currentCatalog() == \"spark_catalog\")\n
          spark.catalog.setCurrentCatalog(\"unity\")\n
          scala> spark.catalog.listTables(\"default\")\nio.unitycatalog.client.ApiException: listTables call failed with: 404 - {\"error_code\":\"NOT_FOUND\",\"details\":[{\"reason\":\"NOT_FOUND\",\"metadata\":{},\"@type\":\"google.rpc.ErrorInfo\"}],\"stack_trace\":null,\"message\":\"Schema not found: default\"}\n  at io.unitycatalog.client.api.TablesApi.getApiException(TablesApi.java:76)\n  at io.unitycatalog.client.api.TablesApi.listTablesWithHttpInfo(TablesApi.java:342)\n  at io.unitycatalog.client.api.TablesApi.listTables(TablesApi.java:317)\n  at io.unitycatalog.spark.UCProxy.listTables(UCSingleCatalog.scala:168)\n  at org.apache.spark.sql.connector.catalog.DelegatingCatalogExtension.listTables(DelegatingCatalogExtension.java:68)\n  at io.unitycatalog.spark.UCSingleCatalog.listTables(UCSingleCatalog.scala:52)\n...\n

          Let's create spark_catalog in Unity Catalog.

          ./bin/uc catalog create --name spark_catalog\n
          ./bin/uc schema create --catalog spark_catalog --name default\n
          ./bin/uc table create \\\n    --full_name spark_catalog.default.uc_demo \\\n    --columns 'id INT' \\\n    --storage_location /tmp/uc_demo \\\n    --format delta\n
          \u276f tree /tmp/uc_demo\n/tmp/uc_demo\n\u2514\u2500\u2500 _delta_log\n    \u2514\u2500\u2500 00000000000000000000.json\n\n2 directories, 1 file\n
          scala> spark.catalog.listTables()\norg.apache.spark.sql.catalyst.parser.ParseException:\n[PARSE_SYNTAX_ERROR] Syntax error at or near end of input.(line 1, pos 0)\n\n== SQL ==\n\n^^^\n\n  at org.apache.spark.sql.catalyst.parser.ParseException.withCommand(parsers.scala:257)\n  at org.apache.spark.sql.catalyst.parser.AbstractParser.parse(parsers.scala:98)\n  at org.apache.spark.sql.execution.SparkSqlParser.parse(SparkSqlParser.scala:54)\n  at org.apache.spark.sql.catalyst.parser.AbstractSqlParser.parseMultipartIdentifier(AbstractSqlParser.scala:54)\n  at io.delta.sql.parser.DeltaSqlParser.parseMultipartIdentifier(DeltaSqlParser.scala:153)\n  at org.apache.spark.sql.internal.CatalogImpl.parseIdent(CatalogImpl.scala:51)\n  at org.apache.spark.sql.internal.CatalogImpl.resolveNamespace(CatalogImpl.scala:427)\n  at org.apache.spark.sql.internal.CatalogImpl.listTablesInternal(CatalogImpl.scala:143)\n  at org.apache.spark.sql.internal.CatalogImpl.listTables(CatalogImpl.scala:127)\n  at org.apache.spark.sql.internal.CatalogImpl.listTables(CatalogImpl.scala:118)\n  ... 42 elided\n

          Switch back to spark_catalog catalog.

          sql(\"SET CATALOG spark_catalog\")\n

          We've registered an empty uc_demo table in Unity Catalog already.

          assert(spark.catalog.tableExists(\"uc_demo\"))\n

          It was equivalent to the following query:

          assert(spark.catalog.tableExists(\"default.uc_demo\"))\n

          Let's change (write to) the uc_demo delta table that was registered to Unity Catalog.

          sql(\"INSERT INTO uc_demo(id) VALUES (1)\").show(truncate=false)\n

          It works! \ud83e\udd73

          Let's query (read from) the uc_demo delta table.

          spark.table(\"uc_demo\").show\n
          +---+\n| id|\n+---+\n|  1|\n+---+\n
          "},{"location":"demo/spark-connector/#unity-catalog","title":"unity Catalog","text":"

          Unity Catalog is accessible using unity catalog ID.

          sql(\"SET CATALOG unity\")\n
          spark.catalog.listCatalogs().show()\n
          +-------------+-----------+\n|         name|description|\n+-------------+-----------+\n|spark_catalog|       NULL|\n|        unity|       NULL|\n+-------------+-----------+\n
          spark.catalog.listDatabases().show()\n
          +-------+-------+--------------+-----------+\n|   name|catalog|   description|locationUri|\n+-------+-------+--------------+-----------+\n|default|  unity|Default schema|       NULL|\n+-------+-------+--------------+-----------+\n
          assert(spark.catalog.tableExists(\"unity.default.numbers\"))\n
          sql(\"DESC EXTENDED unity.default.numbers\").show(truncate=false)\n
          +----------------------------+-----------------------------------------------------------------------------------------+-------+\n|col_name                    |data_type                                                                                |comment|\n+----------------------------+-----------------------------------------------------------------------------------------+-------+\n|as_int                      |int                                                                                      |NULL   |\n|as_double                   |double                                                                                   |NULL   |\n|                            |                                                                                         |       |\n|# Detailed Table Information|                                                                                         |       |\n|Name                        |unity.default.numbers                                                                    |       |\n|Type                        |EXTERNAL                                                                                 |       |\n|Location                    |file:/Users/jacek/dev/oss/unitycatalog/etc/data/external/unity/default/tables/numbers    |       |\n|Provider                    |delta                                                                                    |       |\n|Table Properties            |[delta.minReaderVersion=1,delta.minWriterVersion=2,option.key1=value1,option.key2=value2]|       |\n+----------------------------+-----------------------------------------------------------------------------------------+-------+\n
          ./bin/uc table get --full_name unity.default.numbers\n
          \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502              KEY              \u2502                                                                    VALUE                                                                    \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502NAME                           \u2502numbers                                                                                                                                      \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502CATALOG_NAME                   \u2502unity                                                                                                                                        \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502SCHEMA_NAME                    \u2502default                                                                                                                                      \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502TABLE_TYPE                     \u2502EXTERNAL                                                                                                                                     \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502DATA_SOURCE_FORMAT             \u2502DELTA                                                                                                                                        \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502COLUMNS                        \u2502{\"name\":\"as_int\",\"type_text\":\"int\",\"type_json\":\"{\\\"name\\\":\\\"as_int\\\",\\\"type\\\":\\\"integer\\\",\\\"nullable\\\":false,\\\"metadata\\\":{}}\",\"type_name\":\"I\u2502\n\u2502                               \u2502NT\",\"type_precision\":0,\"type_scale\":0,\"type_interval_type\":null,\"position\":0,\"comment\":\"Int column\",\"nullable\":false,\"partition_index\":null} \u2502\n\u2502                               \u2502{\"name\":\"as_double\",\"type_text\":\"double\",\"type_json\":\"{\\\"name\\\":\\\"as_double\\\",\\\"type\\\":\\\"double\\\",\\\"nullable\\\":false,\\\"metadata\\\":{}}\",\"type_\u2502\n\u2502                               \u2502name\":\"DOUBLE\",\"type_precision\":0,\"type_scale\":0,\"type_interval_type\":null,\"position\":1,\"comment\":\"Double                                    \u2502\n\u2502                               \u2502column\",\"nullable\":false,\"partition_index\":null}                                                                                             \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502STORAGE_LOCATION               \u2502file:///Users/jacek/dev/oss/unitycatalog/etc/data/external/unity/default/tables/numbers/                                                     \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502COMMENT                        \u2502External table                                                                                                                               \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502PROPERTIES                     \u2502{\"key1\":\"value1\",\"key2\":\"value2\"}                                                                                                            \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502OWNER                          \u2502null                                                                                                                                         \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502CREATED_AT                     \u25021721234405617                                                                                                                                \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502CREATED_BY                     \u2502null                                                                                                                                         \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502UPDATED_AT                     \u25021721234405617                                                                                                                                \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502UPDATED_BY                     \u2502null                                                                                                                                         \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502TABLE_ID                       \u250232025924-be53-4d67-ac39-501a86046c01                                                                                                         \u2502\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n
          "},{"location":"docker/","title":"Docker Support","text":"

          As of this commit, Unity Catalog's Localhost Server and CLI can be launched in a Docker container.

          "},{"location":"docker/#build-docker-image","title":"Build Docker Image","text":"
          ./docker/bin/build-uc-server-docker\n
          ./docker/bin/build-uc-cli-docker\n
          "},{"location":"docker/#run-unity-catalog-in-docker","title":"Run Unity Catalog in Docker","text":"
          $ docker image ls --filter=reference='unitycatalog:*'\nREPOSITORY     TAG              IMAGE ID       CREATED         SIZE\nunitycatalog   0.2.0-SNAPSHOT   c788d0d453b6   8 minutes ago   329MB\n
          ./docker/bin/start-uc-server-in-docker\n
          "},{"location":"features/","title":"Unity Catalog","text":"

          Unity Catalog is an open-source universal catalog of the following assets:

          • Catalogs
          • Credentials (for Tables and Volumes)
          • Functions
          • Schemas
          • Tables
          • Volumes

          Unity Catalog is made up of the following runtimes:

          • Reference Server
          • Example CLI (based on the Client API)

          The server and CLI can be started on command line using bin/start-uc-server and bin/uc shell scripts, respectively.

          "},{"location":"features/#different-kinds-of-catalogs","title":"Different Kinds of Catalogs","text":"

          As Jason Reid posted on the unity-catalog slack channel (quoted with some styling changes):

          First, a bit of clarification on the term \"catalog\" which is unfortunately overloaded. It is common to differentiate between so-called \"business catalogs\" and \"operational catalogs\".

          Operational catalogs are what query engines use to read and write data. They track table schema and state and are often involved in transaction management.

          Examples: Hive Metastore, Unity Catalog, AWS Glue, Polaris

          Business catalogs are designed primarily for discovery. They typically aggregate metadata from a wide variety of data systems and make it easy to search.

          Examples: Atlan, DataHub, Alation

          For security, that is typically enforced by a combination of an operational catalog (where policy is defined) and the query engine (where policy is enforced).

          There are some solutions for policy management which can push policy into multiple systems.

          Examples: Immuta, Privacera

          "},{"location":"features/#running-unity-catalog","title":"Running Unity Catalog","text":"

          Java 17 or above is required to build and run Unity Catalog.

          $ java --version\nopenjdk 17.0.12 2024-07-16 LTS\nOpenJDK Runtime Environment Zulu17.52+17-CA (build 17.0.12+7-LTS)\nOpenJDK 64-Bit Server VM Zulu17.52+17-CA (build 17.0.12+7-LTS, mixed mode, sharing)\n
          $ ./bin/start-uc-server\n###################################################################\n#  _    _       _ _            _____      _        _              #\n# | |  | |     (_) |          / ____|    | |      | |             #\n# | |  | |_ __  _| |_ _   _  | |     __ _| |_ __ _| | ___   __ _  #\n# | |  | | '_ \\| | __| | | | | |    / _` | __/ _` | |/ _ \\ / _` | #\n# | |__| | | | | | |_| |_| | | |___| (_| | || (_| | | (_) | (_| | #\n#  \\____/|_| |_|_|\\__|\\__, |  \\_____\\__,_|\\__\\__,_|_|\\___/ \\__, | #\n#                      __/ |                                __/ | #\n#                     |___/               v0.2.0-SNAPSHOT  |___/  #\n###################################################################\n
          $ ./bin/uc\nPlease provide a entity.\n\nUsage: bin/uc <entity> <operation> [options]\nEntities: schema, volume, catalog, function, table\n\nBy default, the client will connect to UC running locally at http://localhost:8080\n\nTo connect to specific UC server, use --server https://<host>\n\nCurrently, auth using bearer token is supported. Please specify the token via --auth_token <PAT Token>\n\nFor detailed help on entity specific operations, use bin/uc <entity> --help\n
          $ ./bin/uc table list --catalog unity --schema default\n\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502      NAME       \u2502CATALOG_NAME\u2502SCHEMA_NAME \u2502 TABLE_TYPE \u2502DATA_SOURCE_\u2502  COLUMNS   \u2502STORAGE_LOCA\u2502  COMMENT   \u2502 PROPERTIES \u2502 CREATED_AT \u2502 UPDATED_AT \u2502              TABLE_ID              \u2502\n\u2502                 \u2502            \u2502            \u2502            \u2502   FORMAT   \u2502            \u2502    TION    \u2502            \u2502            \u2502            \u2502            \u2502                                    \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502marksheet        \u2502unity       \u2502default     \u2502MANAGED     \u2502DELTA       \u2502[{\"name\":...\u2502file:///U...\u2502Managed t...\u2502{\"key1\":\"...\u2502172123440...\u2502172123440...\u2502c389adfa-5c8f-497b-8f70-26c2cca4976d\u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502marksheet_uniform\u2502unity       \u2502default     \u2502EXTERNAL    \u2502DELTA       \u2502[{\"name\":...\u2502file:///t...\u2502Uniform t...\u2502{\"key1\":\"...\u2502172123440...\u2502172123440...\u25029a73eb46-adf0-4457-9bd8-9ab491865e0d\u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502numbers          \u2502unity       \u2502default     \u2502EXTERNAL    \u2502DELTA       \u2502[{\"name\":...\u2502file:///U...\u2502External ...\u2502{\"key1\":\"...\u2502172123440...\u2502172123440...\u250232025924-be53-4d67-ac39-501a86046c01\u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502user_countries   \u2502unity       \u2502default     \u2502EXTERNAL    \u2502DELTA       \u2502[{\"name\":...\u2502file:///U...\u2502Partition...\u2502{}          \u2502172123440...\u2502172123440...\u250226ed93b5-9a18-4726-8ae8-c89dfcfea069\u2502\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n
          $ ./bin/uc table get --full_name unity.default.marksheet --output jsonPretty\n{\n  \"name\" : \"marksheet\",\n  \"catalog_name\" : \"unity\",\n  \"schema_name\" : \"default\",\n  \"table_type\" : \"MANAGED\",\n  \"data_source_format\" : \"DELTA\",\n  \"columns\" : [ {\n  ...\n  } ],\n  \"storage_location\" : \"file:///Users/jacek/dev/oss/unitycatalog/etc/data/managed/unity/default/tables/marksheet/\",\n  \"comment\" : \"Managed table\",\n  \"properties\" : {\n    \"key1\" : \"value1\",\n    \"key2\" : \"value2\"\n  },\n  \"created_at\" : 1721234405595,\n  \"updated_at\" : 1721234405595,\n  \"table_id\" : \"c389adfa-5c8f-497b-8f70-26c2cca4976d\"\n}\n
          "},{"location":"features/#learning-resources","title":"Learning Resources","text":"
          1. Open Sourcing Unity Catalog
          2. Getting Started with X-Table and Unity Catalog | Universal Datalakes | Hands on Labs with an accompanying video on YouTube
          3. Unitycatalog: the first look
          "},{"location":"iceberg/","title":"Iceberg Support","text":"

          Unity Catalog supports loading Apache Iceberg tables located in local path and S3 in IcebergRestCatalogService.

          Note

          This support was added through this commit.

          "},{"location":"iceberg/FileIOFactory/","title":"FileIOFactory","text":"

          FileIOFactory is...FIXME

          "},{"location":"iceberg/IcebergRestCatalogService/","title":"IcebergRestCatalogService \u2014 Apache Iceberg REST APIs","text":"

          IcebergRestCatalogService is a Unity Catalog API service to handle HTTP requests at /api/2.1/unity-catalog/iceberg URL.

          Method URL Handler Params GET /v1/config config GET /v1/namespaces/[namespace] getNamespace namespace GET /v1/namespaces listNamespaces parent GET /v1/namespaces/[namespace]/tables listTables namespace GET /v1/namespaces/[namespace]/tables/[table] loadTable namespacetable POST /v1/namespaces/[namespace]/tables/[table]/metrics reportMetrics namespacetable HEAD /v1/namespaces/[namespace]/tables/[table] tableExists namespacetable

          IcebergRestCatalogService uses Hibernate.

          "},{"location":"iceberg/IcebergRestCatalogService/#create-instance","title":"Create Instance","text":"

          IcebergRestCatalogService takes the following to be created:

          • CatalogService
          • SchemaService
          • TableService
          • TableConfigService
          • MetadataService

            • IcebergRestCatalogService is created when:

            • UnityCatalogServer is requested to add the API services
            "},{"location":"iceberg/IcebergRestCatalogService/#metadataService","title":"MetadataService","text":"

            IcebergRestCatalogService is given a MetadataService when created.

            This MetadataService is used to load an iceberg table.

            "},{"location":"iceberg/IcebergRestCatalogService/#catalogService","title":"CatalogService","text":"

            IcebergRestCatalogService is given a CatalogService when created.

            This CatalogService is used for the following:

            • listNamespaces with no parent
            • getNamespace with the catalog only (the first layer of Unity Catalog's three-level namespace)
            "},{"location":"iceberg/IcebergRestCatalogService/#sessionFactory","title":"SessionFactory","text":"

            IcebergRestCatalogService creates a SessionFactory when created.

            This SessionFactory is used for the following:

            • tableExists
            • loadTable
            • listTables
            "},{"location":"iceberg/IcebergRestCatalogService/#loadTable","title":"Load Table","text":"
            LoadTableResponse loadTable(\n  String namespace,\n  String table)\n

            loadTable expects the given namespace to be two-part and splits it into catalog and schema parts (using . as the separator).

            loadTable requests the TableRepository to get the table metadata (by the given namespace and table separated using .).

            loadTable requests the TableRepository for the uniform metadata location (by the catalog, schema and the given table).

            loadTable requests the MetadataService for the TableMetadata for the uniform metadata location.

            In the end, loadTable responds with the TableMetadata.

            "},{"location":"iceberg/MetadataService/","title":"MetadataService","text":"

            MetadataService is part of IcebergRestCatalogService.

            "},{"location":"iceberg/MetadataService/#creating-instance","title":"Creating Instance","text":"

            MetadataService takes the following to be created:

            • FileIOFactory

            MetadataService is created when:

            • UnityCatalogServer is requested to register the API services
            "},{"location":"iceberg/MetadataService/#fileIOFactory","title":"FileIOFactory","text":"

            MetadataService is given a FileIOFactory when [created]

            "},{"location":"iceberg/MetadataService/#readTableMetadata","title":"readTableMetadata","text":"
            TableMetadata readTableMetadata(\n  String metadataLocation)\n

            readTableMetadata...FIXME

            readTableMetadata is used when:

            • IcebergRestCatalogService is requested to load an iceberg table
            "},{"location":"iceberg/TableConfigService/","title":"TableConfigService","text":"

            TableConfigService is...FIXME

            "},{"location":"oauth2-authentication/","title":"OAuth2 Authentication","text":"

            Unity Catalog supports OAuth2 Authentication.

            "},{"location":"oauth2-authentication/#unity-catalog-cli","title":"Unity Catalog CLI","text":"

            Unity Catalog CLI comes with auth sub-commands for OAuth2 authentication.

            \u276f ./bin/uc auth --help\nPlease provide a valid sub-command for auth.\nValid sub-commands for auth are: login\nFor detailed help on auth sub-commands, use bin/uc auth <sub-command> --help\n

            There is just a single login sub-command supported.

            \u276f ./bin/uc auth login --help\nUsage: bin/uc auth login [options]\nRequired Params:\nOptional Params:\n  --server UC Server to connect to. Default is reference server.\n  --auth_token PAT token to authorize uc requests.\n  --output To indicate CLI output format preference. Supported values are json and jsonPretty.\n  --identity_token Identity token to authorize\n

            login sub-command works differently based on identity_token optional param. Unless specified on command line, login uses Oauth2CliExchange to authenticate and generate an identity token.

            The identity token is used as subject_token query parameter for a POST request to /auth/tokens API endpoint with the other query parameters:

            Query Parameter Value grant_type urn:ietf:params:oauth:grant-type:token-exchange requested_token_type urn:ietf:params:oauth:token-type:access_token subject_token_type urn:ietf:params:oauth:token-type:id_token subject_token Identity token

            That gives an access_token back.

            "},{"location":"oauth2-authentication/AuthCallbackHandler/","title":"AuthCallbackHandler","text":"

            AuthCallbackHandler is...FIXME

            "},{"location":"oauth2-authentication/Oauth2CliExchange/","title":"Oauth2CliExchange","text":"

            Oauth2CliExchange is a simple OAuth2 authentication flow for the CLI (to login).

            "},{"location":"oauth2-authentication/Oauth2CliExchange/#serverProperties","title":"etc/conf/server.properties","text":"

            Oauth2CliExchange loads etc/conf/server.properties into the serverProperties when created.

            Note

            The path etc/conf/server.properties is fixed and cannot be changed.

            "},{"location":"oauth2-authentication/Oauth2CliExchange/#creating-instance","title":"Creating Instance","text":"

            Oauth2CliExchange takes no arguments to be created.

            While being created, Oauth2CliExchange loads etc/conf/server.properties into the serverProperties.

            Oauth2CliExchange is created when:

            • AuthCli is requested to login
            "},{"location":"oauth2-authentication/Oauth2CliExchange/#authenticate","title":"Authenticate","text":"
            String authenticate()\n

            authenticate returns an identity token.

            authenticate reads the following server properties (from etc/conf/server.properties):

            • server.authorization-url
            • server.token-url
            • server.client-id
            • server.client-secret
            • server.redirect-port

            authenticate starts an HttpServer to listen on the port (based on server.redirect-port) and an AuthCallbackHandler to handle the root path /.

            authenticate prints out the following message to the console:

            Listening on port: [port]\n

            authenticate builds an auth URL as follows:

            URL Part Value redirectUrl server.authorization-url configuration property client_id server.client-id configuration property redirect_uri http://localhost:[port] response_type code scope openid profile email state Some random 16 bytes

            authenticate prints out the following message to the console:

            Attempting to open the authorization page in your default browser.\nIf the browser does not open, you can manually open the following URL:\n[authURL]\n

            authenticate uses /usr/bin/open to open the auth URL (in the default browser).

            Note

            Any exceptions while trying to open the browser with the auth URL are simply ignored.

            authenticate requests the AuthCallbackHandler for the auth code.

            authenticate prints out the following message to the console:

            Received authentication response.\n

            authenticate stops the HttpServer.

            authenticate...FIXME

            authenticate is used when:

            • AuthCli is requested to login
            "},{"location":"persistent-storage/","title":"Persistent Storage","text":"

            Unity Catalog's Localhost Reference Server uses Hibernate as the persistence layer to manage asset metadata.

            Unity Catalog uses etc/conf/hibernate.properties configuration file to set up a JDBC-compatible database system. There are sample configuration files for MySQL and PostgreSQL.

            By default, Localhost Reference Server uses H2 Database Engine to store metadata (in etc/db/h2db.mv.db file).

            With server.env property being test, Unity Catalog uses the following properties:

            Hibernate Property Value hibernate.connection.driver_class org.h2.Driver hibernate.connection.url jdbc:h2:mem:testdb;DB_CLOSE_DELAY=-1 hibernate.hbm2ddl.auto create-drop"},{"location":"persistent-storage/CatalogRepository/","title":"CatalogRepository","text":""},{"location":"persistent-storage/FileUtils/","title":"FileUtils","text":"

            FileUtils is...FIXME

            "},{"location":"persistent-storage/FunctionRepository/","title":"FunctionRepository","text":""},{"location":"persistent-storage/FunctionRepository/#SESSION_FACTORY","title":"SessionFactory","text":"

            FunctionRepository gets at SessionFactory in a static initializer.

            Static Initializer

            A static initializer declared in a class is executed when the class is initialized.

            Learn more in the Java Language Specification.

            This SessionFactory is used for the following:

            • createFunction
            • listFunctions
            • getFunction
            • deleteFunction
            "},{"location":"persistent-storage/FunctionRepository/#listFunctions","title":"Listing Functions","text":"
            ListFunctionsResponse listFunctions(\n  String catalogName,\n  String schemaName,\n  Optional<Integer> maxResults,\n  Optional<String> nextPageToken)\n

            listFunctions requests this SchemaRepository for the SchemaInfoDAO for the given catalog (catalogName) and schema (schemaName).

            listFunctions creates the following Hibernate query (with the schemaId parameter being the ID of the schema):

            from FunctionInfoDAO f where f.schemaId = [schemaId]\n

            In the end, listFunctions executes the query to list all the registered functions.

            listFunctions is used when:

            • FunctionService is requested to list functions
            "},{"location":"persistent-storage/HibernateUtil/","title":"HibernateUtil","text":"

            HibernateUtil is used to access the system-wide SessionFactory (Hibernate).

            "},{"location":"persistent-storage/HibernateUtil/#properties","title":"ServerPropertiesUtils","text":"

            HibernateUtil gets at the only instance of ServerPropertiesUtils in a static initializer.

            Static Initializer

            A static initializer declared in a class is executed when the class is initialized.

            Learn more in the Java Language Specification.

            "},{"location":"persistent-storage/HibernateUtil/#sessionFactory","title":"SessionFactory","text":"

            HibernateUtil creates a SessionFactory in a static initializer.

            Static Initializer

            A static initializer declared in a class is executed when the class is initialized.

            Learn more in the Java Language Specification.

            This SessionFactory is used by the following:

            • CatalogRepository
            • FunctionRepository
            • SchemaRepository
            • TableRepository
            • VolumeRepository
            • IcebergRestCatalogService
            "},{"location":"persistent-storage/HibernateUtil/#createSessionFactory","title":"createSessionFactory","text":"
            SessionFactory createSessionFactory()\n
            Static Method

            createSessionFactory is a Java class method that is always invoked without reference to a particular object.

            Learn more in the Java Language Specification.

            createSessionFactory...FIXME

            "},{"location":"persistent-storage/HibernateUtils/","title":"HibernateUtils","text":"

            HibernateUtils is...FIXME

            "},{"location":"persistent-storage/MetastoreRepository/","title":"MetastoreRepository","text":"

            MetastoreRepository is...FIXME

            "},{"location":"persistent-storage/ModelRepository/","title":"ModelRepository","text":""},{"location":"persistent-storage/ModelRepository/#logging","title":"Logging","text":"

            Enable ALL logging level for io.unitycatalog.server.persist.ModelRepository logger to see what happens inside.

            Add the following line to etc/conf/server.log4j2.properties:

            logger.ModelRepository.name = io.unitycatalog.server.persist.ModelRepository\nlogger.ModelRepository.level = all\n

            Refer to Logging.

            "},{"location":"persistent-storage/PagedListingHelper/","title":"PagedListingHelper","text":"

            PagedListingHelper is...FIXME

            "},{"location":"persistent-storage/RepositoryUtils/","title":"RepositoryUtils","text":""},{"location":"persistent-storage/RepositoryUtils/#getSchemaId","title":"getSchemaId","text":"
            UUID getSchemaId(\n  Session session,\n  String catalogName,\n  String schemaName)\n

            getSchemaId requests the system-wide SchemaRepository for the SchemaInfoDAO for the given catalogName and schemaName.

            BaseException

            getSchemaId reports a BaseException when there is no schema found (by the given catalogName and schemaName).

            Schema not found: [schemaName]\"\n

            In the end, getSchemaId returns the ID of the schema.

            getSchemaId is used when:

            • ModelRepository is requested to findRegisteredModel, createRegisteredModel, listRegisteredModels, etc.
            "},{"location":"persistent-storage/SchemaRepository/","title":"SchemaRepository","text":""},{"location":"persistent-storage/SchemaRepository/#getSchemaDAO","title":"Find SchemaDAO by Catalog and Schema Names","text":"
            SchemaInfoDAO getSchemaDAO(\n  Session session,\n  String catalogName,\n  String schemaName)\n

            getSchemaDAO requests the system-wide CatalogRepository for the CatalogInfoDAO.

            BaseException

            getSchemaId reports a BaseException when the catalogName catalog could not be found.

            Catalog not found: [catalogName]\"\n

            In the end, getSchemaDAO finds the SchemaInfoDAO for the catalog and the schemaName schema.

            getSchemaDAO is used when:

            • FunctionRepository is requested to createFunction, getSchemaId, getFunctionDAO, deleteFunction
            • SchemaRepository is requested to createSchema, getSchemaDAO, updateSchema
            • TableRepository is requested to getSchemaId
            • VolumeRepository is requested to createVolume, getVolumeDAO, listVolumes, deleteVolume
            • RepositoryUtils is requested to getSchemaId
            "},{"location":"persistent-storage/SchemaRepository/#getSchemaDAO-catalogId","title":"Find SchemaDAO by Catalog ID and Schema Name","text":"
            SchemaInfoDAO getSchemaDAO(\n  Session session,\n  UUID catalogId,\n  String schemaName)\n

            getSchemaDAO creates the following query (using the given Session) for the given schemaName and catalogId:

            FROM SchemaInfoDAO WHERE name = [schemaName] and catalogId = :catalogId\n

            getSchemaDAO executes the query and returns a single result of the query, or null if the query returns no results.

            getSchemaDAO is used when:

            • SchemaRepository is requested to delete a schema
            "},{"location":"persistent-storage/TableRepository/","title":"TableRepository","text":""},{"location":"persistent-storage/TableRepository/#createTable","title":"Persist Table Metadata","text":"
            TableInfo createTable(\n  CreateTable createTable)\n

            createTable creates a TableInfo with randomly-generated UUID as the table ID and the other metadata.

            createTable prints out the following DEBUG message to the logs:

            Creating table: [fullName]\n

            MANAGED tables are not supported yet

            createTable asserts that storage_location is specified for an EXTERNAL table.

            createTable persists the table's properties (to uc_properties table using PropertyDAO).

            In the end, createTable persists the table metadata.

            createTable is used when:

            • TableService is requested to create a table metadata
            "},{"location":"persistent-storage/TableRepository/#listTables","title":"List Tables","text":"
            ListTablesResponse listTables(\n  String catalogName,\n  String schemaName,\n  Optional<Integer> maxResults,\n  Optional<String> pageToken,\n  Boolean omitProperties,\n  Boolean omitColumns)  // (1)!\nListTablesResponse listTables(\n  Session session,\n  UUID schemaId,\n  String catalogName,\n  String schemaName,\n  Optional<Integer> maxResults,\n  Optional<String> pageToken,\n  Boolean omitProperties,\n  Boolean omitColumns)\n
            1. Opens a new session using the system-wide SessionFactory and starts a new transaction

            listTables requests the PagedListingHelper to listEntity.

            listTables...FIXME

            listTables is used when:

            • TableService is requested to list the tables
            "},{"location":"persistent-storage/UriUtils/","title":"UriUtils","text":"

            UriUtils is...FIXME

            "},{"location":"persistent-storage/UserRepository/","title":"UserRepository","text":"

            UserRepository is...FIXME

            "},{"location":"persistent-storage/VolumeRepository/","title":"VolumeRepository","text":""},{"location":"server/","title":"Localhost Reference Server","text":"

            Unity Catalog comes with Localhost Reference Server that can be launched on command line using ./bin/start-uc-server utility.

            \u276f ./bin/start-uc-server -h\nusage: bin/start-uc-server\n -h,--help         Print help message.\n -p,--port <arg>   Port number to run the server on. Default is 8080.\n -v,--version      Display the version of the Unity Catalog server\n

            start-uc-server runs UnityCatalogServer to handle REST API requests at a port (specified using -p or --port option or defaults to 8080).

            "},{"location":"server/AuthService/","title":"AuthService","text":"

            AuthService is a Unity Catalog API service that UnityCatalogServer uses to handle /api/1.0/unity-control/auth endpoint and perform OAuth2 token exchange.

            Method URL Handler Params POST /tokens grantToken OAuthTokenExchangeRequest

            Note

            AuthService is the only API service registered under /api/1.0/ URI.

            "},{"location":"server/AuthService/#demo","title":"Demo","text":"

            Use subject_token as specified in etc/conf/token.txt.

            Use https://jwt.io/#encoded-jwt to work with JSON web tokens.

            http --form http://localhost:8081/api/1.0/unity-control/auth/tokens \\\n    grant_type=urn:ietf:params:oauth:grant-type:token-exchange \\\n    requested_token_type=urn:ietf:params:oauth:token-type:access_token \\\n    subject_token_type=urn:ietf:params:oauth:token-type:id_token \\\n    subject_token=eyJraWQiOiJiOTk1YmMwYTUyN2ZmYmJmOWI0M2YxMDhhMWEwZDgyNWEwNWViNDA3MGIyODMxYTg4ZGZhZjM0ZDJlODc5NzMzIiwiYWxnIjoiUlM1MTIiLCJ0eXAiOiJKV1QifQ.eyJzdWIiOiJhZG1pbiIsImlzcyI6ImludGVybmFsIiwiaWF0IjoxNzI1MTkxNzYzLCJqdGkiOiJmYThlNThiNS1lMzAyLTRlMmEtYWI4Zi0wZWNlNDI2MzA3OTMiLCJ0eXBlIjoiU0VSVklDRSJ9.RZAtSOe1YwXRzCKwgzmGxO6PQ28Ms7nBrKlbYGFKOXnZFlFsHu156ABjciINDhVZANg9oXQYsKBk9316tUs5hS5e4mKRHdBy-YXcN26nZIqrfhtNf6JAi8xCS4D6bgaOl1n_Nis1oDerl6IkqWSfz6Uj0-Z_zyGxt_Svkw199ClAvAG9rGkgVYV35-N8y4TTYy6IebA5r3S6LY6_NIVNg9vSjQd5oUQeDJ16-k4xcAlFZPYseNWtTKUdub427JGL0Z14q_dgX6gyAT6ibwOzfay3_97Dddi-bMm9kNH4Ahvvx167KRkPjTuazUaUc2sxlpVvLVGyCSYr3uUDjpVbSQ\n
            HTTP/1.1 200 OK\ncontent-length: 734\ncontent-type: application/json\ndate: Sun, 1 Sep 2024 20:03:35 GMT\nserver: Armeria/1.28.4\n\n{\n    \"access_token\": \"eyJraWQiOiJiOTk1YmMwYTUyN2ZmYmJmOWI0M2YxMDhhMWEwZDgyNWEwNWViNDA3MGIyODMxYTg4ZGZhZjM0ZDJlODc5NzMzIiwiYWxnIjoiUlM1MTIiLCJ0eXAiOiJKV1QifQ.eyJzdWIiOiJhZG1pbiIsImlzcyI6ImludGVybmFsIiwiaWF0IjoxNzI1MjIxMDE1LCJqdGkiOiJlNzJlODFhYi0xNDhkLTQ1ZjMtOTc2OS01Mjk5ODFhZjZlYTQiLCJ0eXBlIjoiQUNDRVNTIn0.Sn_BUz7I19W8eP2-A5iyomw4RW21E6MwpeItzjr-4QszwLMBuBCb8Dro6ICV1rqeI61Rax3NGaSR3HVxeB34gYXtXj74Wac3FbPY_6zWYBvzzfaLthafYI9qIMaUJmrJ98uRB1CV6be2PwfU34I9JPr2DxkmAhgMdofyi_JuasOmsTrtk7g12A0-tCjx8bAB39xeN3t0dOT68d-jO34eUa35YSl9g1WksxPP58Kqk5tOqXFtpHJaLOa-L16QnkKaXUGIran2SVYw7oApgoox-1bDOYEm2qy_j5Gz7ZmBbRIHGI3csuzXxaVUgBeHK8oi3YAQii0foYjQvbi6fg9egA\",\n    \"issued_token_type\": \"urn:ietf:params:oauth:token-type:access_token\",\n    \"token_type\": \"Bearer\"\n}\n
            http --form http://localhost:8081/api/1.0/unity-control/auth/tokens \\\n    grant_type=urn:ietf:params:oauth:grant-type:token-exchange \\\n    requested_token_type=urn:ietf:params:oauth:token-type:access_token \\\n    subject_token_type=urn:ietf:params:oauth:token-type:id_token \\\n    subject_token=eyJraWQiOiJiOTk1YmMwYTUyN2ZmYmJmOWI0M2YxMDhhMWEwZDgyNWEwNWViNDA3MGIyODMxYTg4ZGZhZjM0ZDJlODc5NzMzIiwiYWxnIjoiUlM1MTIiLCJ0eXAiOiJKV1QifQ.eyJzdWIiOiJhZG1pbiIsImlzcyI6ImludGVybmFsIiwiaWF0IjoxNzI1MTkxNzYzLCJqdGkiOiJmYThlNThiNS1lMzAyLTRlMmEtYWI4Zi0wZWNlNDI2MzA3OTMiLCJ0eXBlIjoiU0VSVklDRSJ9.RZAtSOe1YwXRzCKwgzmGxO6PQ28Ms7nBrKlbYGFKOXnZFlFsHu156ABjciINDhVZANg9oXQYsKBk9316tUs5hS5e4mKRHdBy-YXcN26nZIqrfhtNf6JAi8xCS4D6bgaOl1n_Nis1oDerl6IkqWSfz6Uj0-Z_zyGxt_Svkw199ClAvAG9rGkgVYV35-N8y4TTYy6IebA5r3S6LY6_NIVNg9vSjQd5oUQeDJ16-k4xcAlFZPYseNWtTKUdub427JGL0Z14q_dgX6gyAT6ibwOzfay3_97Dddi-bMm9kNH4Ahvvx167KRkPjTuazUaUc2sxlpVvLVGyCSYr3uUDjpVbSQ | jq .access_token\n
            \"eyJraWQiOiJiOTk1YmMwYTUyN2ZmYmJmOWI0M2YxMDhhMWEwZDgyNWEwNWViNDA3MGIyODMxYTg4ZGZhZjM0ZDJlODc5NzMzIiwiYWxnIjoiUlM1MTIiLCJ0eXAiOiJKV1QifQ.eyJzdWIiOiJhZG1pbiIsImlzcyI6ImludGVybmFsIiwiaWF0IjoxNzI1MjIyNjIzLCJqdGkiOiJjMGE0ZTRiNC1mMGJjLTQ4ZDAtOTA3Ny01MzgyNWEzMWJjYzQiLCJ0eXBlIjoiQUNDRVNTIn0.fPyFNB3wcQ6tAoR-mnWGpoWtVwuvcEuSk43ZsYvNwOuddedWBeqH8TivR13GsC876jEzyPG4x1PtN2uOFHiNtfTXTZbEHUTlYoWlMU-BCZysuggUCih5fkbV63KdQkluLB1CyP3A-L4Dg6hxjbj-3V2jMoRjD5d_42k9yv1vuOe8sh1DNbaYXqBpnRNCdtD4IxJ6yRzBDLL6XcRlyombnj40AV7U5pxePz7PVlpfRix-GEEtnsA-wFxu3Ng-1lHBS9LEc0vmYUBe_P3ztNSon63al_CTStZz53S3moT-D0lsuDioYsnD7VNPHU31PhZVZ-rS-VAsFdQpHbiSeG1Fow\"\n
            "},{"location":"server/AuthService/#creating-instance","title":"Creating Instance","text":"

            AuthService takes the following to be created:

            • SecurityContext

              Upon creation, AuthService creates the JwksOperations.

              AuthService is created when:

              • UnityCatalogServer is requested to register API services
              "},{"location":"server/AuthService/#grantToken","title":"Grant Token","text":"
              HttpResponse grantToken(\n  OAuthTokenExchangeRequest request)\n

              grantToken prints out the following DEBUG message to the logs:

              Got token: [request]\n

              grantToken asserts the following or reports an OAuthInvalidRequestException:

              1. There must be grant_type specified as urn:ietf:params:oauth:grant-type:token-exchange grant type
              2. There must be requested_token_type specified as urn:ietf:params:oauth:token-type:access_token token type
              3. There must be subject_token_type specified
              4. There must be no actor_token_type specified (as not supported yet)

              grantToken decodes the given subject_token JSON Web Token (JWT) (from the OAuthTokenExchangeRequest).

              No Verification of Token's Signature

              grantToken performs no verification of the token's signature.

              grantToken finds the issuer of the subject_token token, if specified (using iss claim).

              grantToken finds the private claim (keyId) of the subject_token token, if specified (using kid header claim).

              grantToken prints out the following DEBUG message to the logs:

              Validating token for issuer: [issuer]\n

              grantToken requests the JwksOperations for the verifier for the issuer and private claim.

              grantToken uses the JWTVerifier to verify the decoded subject_token Json Web Token.

              grantToken prints out the following DEBUG message to the logs:

              Validated. Creating access token.\n

              grantToken requests the SecurityContext to create an access token for the decoded and verified subject_token JSON Web Token.

              In the end, grantToken responds with the following:

              Property Value accessToken The generated access token issuedTokenType urn:ietf:params:oauth:token-type:access_token tokenType Bearer"},{"location":"server/CatalogService/","title":"CatalogService","text":"

              CatalogService is a Unity Catalog API service to handle HTTP requests at /api/2.1/unity-catalog/catalogs URL.

              Method URL Handler Params GET listCatalogs POST createCatalog JSON-ified CreateCatalog GET /{name} getCatalog
              • name
              PATCH /{name} updateCatalog
              • name
              DELETE /{name} deleteCatalog
              • name

              CatalogService is also used to create IcebergRestCatalogService.

              "},{"location":"server/CatalogService/#creating-instance","title":"Creating Instance","text":"

              CatalogService takes the following to be created:

              • UnityCatalogAuthorizer

                While being created, CatalogService creates an UnityAccessEvaluator.

                CatalogService is created when:

                • UnityCatalogServer is requested to register the API services
                "},{"location":"server/CatalogService/#evaluator","title":"UnityAccessEvaluator","text":"

                CatalogService creates an UnityAccessEvaluator (with the given UnityCatalogAuthorizer) when created.

                "},{"location":"server/CatalogService/#listCatalogs","title":"listCatalogs","text":"
                HttpResponse listCatalogs()\n

                listCatalogs...FIXME

                listCatalogs is used when:

                • CatalogService is requested to handle HTTP GET requests on catalogs URL
                • FIXME
                "},{"location":"server/CatalogService/#demo","title":"Demo","text":"
                $ http http://localhost:8081/api/2.1/unity-catalog/catalogs\nHTTP/1.1 200 OK\ncontent-length: 184\ncontent-type: application/json\ndate: Thu, 4 Jul 2024 17:56:19 GMT\nserver: Armeria/1.28.4\n\n{\n    \"catalogs\": [\n        {\n            \"comment\": \"Main catalog\",\n            \"created_at\": 1720090500565,\n            \"id\": \"17562adb-e6f8-463e-b82a-22264b067d6b\",\n            \"name\": \"unity\",\n            \"properties\": {},\n            \"updated_at\": null\n        }\n    ],\n    \"next_page_token\": null\n}\n
                $ http http://localhost:8081/api/2.1/unity-catalog/catalogs | jq '.catalogs[].name'\n\"unity\"\n
                "},{"location":"server/CreateCatalog/","title":"CreateCatalog","text":""},{"location":"server/CreateTable/","title":"CreateTable","text":"

                CreateTable represents a request to create a new table instance (coming from TableCli).

                CreateTable is POSTed to /tables API endpoint of the TableService (to persist using TableRepository).

                Property Required Description catalog_name \u2705 Name of parent catalog columns \u2705 An array of ColumnInfos of the table's columns comment User-provided free-form text description data_source_format \u2705 Data source format:
                • DELTA
                • CSV
                • JSON
                • AVRO
                • PARQUET
                • ORC
                • TEXT name \u2705 Name of table, relative to parent schema. properties \u2705 Name of table, relative to parent schema. schema_name \u2705 Name of parent schema relative to its parent catalog storage_location Storage root URL\u26d4\ufe0f Required for EXTERNAL tables table_type \u2705 One of the following:
                  • MANAGED (not supported by the Localhost Reference Server)
                  • EXTERNAL OpenAPI Generator

                    CreateTable was auto-generated using OpenAPI Generator based on Unity Catalog's OpenAPI specification.

                    sbt-openapi-generator 7.5.0 is used in the client sbt module of the unitycatalog project.

                    "},{"location":"server/FunctionService/","title":"FunctionService","text":"

                    FunctionService is a Unity Catalog API service to handle HTTP requests at /api/2.1/unity-catalog/functions URL.

                    Method URL Handler Params POST createFunction DELETE /{name} deleteFunction nameforce GET /{name} getFunction name GET listFunctions catalog_nameschema_namemax_resultspage_token (not used)"},{"location":"server/FunctionService/#creating-instance","title":"Creating Instance","text":"

                    FunctionService takes the following to be created:

                    • UnityCatalogAuthorizer

                      While being created, FunctionService creates an UnityAccessEvaluator.

                      FunctionService is created when:

                      • UnityCatalogServer is requested to register the API services
                      "},{"location":"server/FunctionService/#evaluator","title":"UnityAccessEvaluator","text":"

                      FunctionService creates an UnityAccessEvaluator (with the given UnityCatalogAuthorizer) when created.

                      "},{"location":"server/FunctionService/#listFunctions","title":"Listing Functions","text":"
                      HttpResponse listFunctions(\n  String catalogName,\n  String schemaName,\n  Optional<Integer> maxResults,\n  Optional<String> pageToken)\n

                      listFunctions requests the FunctionRepository to list functions.

                      $ ./bin/uc function list --catalog unity --schema default\n\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502    NAME    \u2502CATALOG_\u2502SCHEMA_N\u2502INPUT_PA\u2502DATA_TYP\u2502FULL_DAT\u2502RETURN_P\u2502ROUTINE_\u2502ROUTINE_\u2502ROUTINE_\u2502PARAMETE\u2502IS_DETER\u2502SQL_DATA\u2502IS_NULL_\u2502SECURITY\u2502SPECIFIC\u2502COMMENT \u2502PROPERTI\u2502FULL_NAM\u2502CREATED_\u2502UPDATED_\u2502FUNCTION\u2502EXTERNAL\u2502\n\u2502            \u2502  NAME  \u2502  AME   \u2502  RAMS  \u2502   E    \u2502 A_TYPE \u2502 ARAMS  \u2502  BODY  \u2502DEFINITI\u2502DEPENDEN\u2502R_STYLE \u2502MINISTIC\u2502_ACCESS \u2502  CALL  \u2502 _TYPE  \u2502 _NAME  \u2502        \u2502   ES   \u2502   E    \u2502   AT   \u2502   AT   \u2502  _ID   \u2502_LANGUAG\u2502\n\u2502            \u2502        \u2502        \u2502        \u2502        \u2502        \u2502        \u2502        \u2502   ON   \u2502  CIES  \u2502        \u2502        \u2502        \u2502        \u2502        \u2502        \u2502        \u2502        \u2502        \u2502        \u2502        \u2502        \u2502   E    \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502sum         \u2502unity   \u2502default \u2502{\"par...\u2502INT     \u2502INT     \u2502null    \u2502EXTERNAL\u2502t = x...\u2502null    \u2502S       \u2502true    \u2502NO_SQL  \u2502false   \u2502DEFINER \u2502sum     \u2502Add t...\u2502null    \u2502unity...\u250217200...\u2502null    \u25026b587...\u2502python  \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502lowercase   \u2502unity   \u2502default \u2502{\"par...\u2502STRING  \u2502STRING  \u2502null    \u2502EXTERNAL\u2502g = s...\u2502null    \u2502S       \u2502true    \u2502NO_SQL  \u2502false   \u2502DEFINER \u2502lower...\u2502Conve...\u2502null    \u2502unity...\u250217200...\u2502null    \u2502a1722...\u2502python  \u2502\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n
                      "},{"location":"server/FunctionService/#getFunction","title":"Looking Up Function","text":"
                      HttpResponse getFunction(\n  String name)\n

                      listFunctions requests the FunctionRepository for the function by the given name.

                      $ ./bin/uc function get --full_name unity.default.sum\n\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502        KEY         \u2502                                               VALUE                                                \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502NAME                \u2502sum                                                                                                 \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502CATALOG_NAME        \u2502unity                                                                                               \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502SCHEMA_NAME         \u2502default                                                                                             \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502INPUT_PARAMS        \u2502{\"parameters\":[{\"name\":\"x\",\"type_text\":\"int\",\"type_json\":\"{\\\"name\\\":\\\"x\\\",\\\"type\\\":\\\"integer\\\",\\\"nul\u2502\n\u2502                    \u2502lable\\\":true,\\\"metadata\\\":{}}\",\"type_name\":\"INT\",\"type_precision\":null,\"type_scale\":null,\"type_inter\u2502\n\u2502                    \u2502val_type\":null,\"position\":0,\"parameter_mode\":null,\"parameter_type\":null,\"parameter_default\":null,\"co\u2502\n\u2502                    \u2502mment\":null},{\"name\":\"y\",\"type_text\":\"int\",\"type_json\":\"{\\\"name\\\":\\\"y\\\",\\\"type\\\":\\\"integer\\\",\\\"nulla\u2502\n\u2502                    \u2502ble\\\":true,\\\"metadata\\\":{}}\",\"type_name\":\"INT\",\"type_precision\":null,\"type_scale\":null,\"type_interva\u2502\n\u2502                    \u2502l_type\":null,\"position\":1,\"parameter_mode\":null,\"parameter_type\":null,\"parameter_default\":null,\"comm\u2502\n\u2502                    \u2502ent\":null},{\"name\":\"z\",\"type_text\":\"int\",\"type_json\":\"{\\\"name\\\":\\\"z\\\",\\\"type\\\":\\\"integer\\\",\\\"nullabl\u2502\n\u2502                    \u2502e\\\":true,\\\"metadata\\\":{}}\",\"type_name\":\"INT\",\"type_precision\":null,\"type_scale\":null,\"type_interval_\u2502\n\u2502                    \u2502type\":null,\"position\":2,\"parameter_mode\":null,\"parameter_type\":null,\"parameter_default\":null,\"commen\u2502\n\u2502                    \u2502t\":null}]}                                                                                          \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502DATA_TYPE           \u2502INT                                                                                                 \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502FULL_DATA_TYPE      \u2502INT                                                                                                 \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502RETURN_PARAMS       \u2502null                                                                                                \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502ROUTINE_BODY        \u2502EXTERNAL                                                                                            \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502ROUTINE_DEFINITION  \u2502t = x + y + z\\nreturn t                                                                             \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502ROUTINE_DEPENDENCIES\u2502null                                                                                                \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502PARAMETER_STYLE     \u2502S                                                                                                   \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502IS_DETERMINISTIC    \u2502true                                                                                                \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502SQL_DATA_ACCESS     \u2502NO_SQL                                                                                              \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502IS_NULL_CALL        \u2502false                                                                                               \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502SECURITY_TYPE       \u2502DEFINER                                                                                             \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502SPECIFIC_NAME       \u2502sum                                                                                                 \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502COMMENT             \u2502Add two numbers                                                                                     \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502PROPERTIES          \u2502null                                                                                                \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502FULL_NAME           \u2502unity.default.sum                                                                                   \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502CREATED_AT          \u25021720082975600                                                                                       \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502UPDATED_AT          \u2502null                                                                                                \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502FUNCTION_ID         \u25026b587147-128f-4f05-8a4f-173a18831bdf                                                                \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502EXTERNAL_LANGUAGE   \u2502python                                                                                              \u2502\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n
                      "},{"location":"server/ModelService/","title":"ModelService","text":"

                      ModelService is a Unity Catalog API service that UnityCatalogServer uses to handle HTTP requests at /api/2.1/unity-catalog/models URL.

                      Method URL Handler Params GET / listRegisteredModels