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Feature/implement generated as (#152)
* HCK-9065: update adapters to handle new GENERATED AS property structure (#151) * HCK-9065: add 'identity' to 'generated as' adapter * HCK-9065: update polyglot adapters * HCK-9063: Add support for GENERATED ALWAYS AS an expression (#150) * HCK-9063: add field level config for generated as property * HCK-9063: add generated as clause in script * HCK-9063: improve config dependency * HCK-9063: fix generated on null property
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| /** | ||
| * Copyright © 2016-2018 by IntegrIT S.A. dba Hackolade. All rights reserved. | ||
| * | ||
| * The copyright to the computer software herein is the property of IntegrIT S.A. | ||
| * The software may be used and/or copied only with the written permission of | ||
| * IntegrIT S.A. or in accordance with the terms and conditions stipulated in | ||
| * the agreement/contract under which the software has been supplied. | ||
| * | ||
| * { | ||
| * "add": { | ||
| * "entity": [<names of new property>], | ||
| * "container": [<names of new property>], | ||
| * "model": [<names of new property>], | ||
| * "view": [<names of new property>], | ||
| * "field": { | ||
| * "<type>": [<names of new property>] | ||
| * } | ||
| * }, | ||
| * "delete": { | ||
| * "entity": [<names of new property>], | ||
| * "container": [<names of new property>], | ||
| * "model": [<names of new property>], | ||
| * "view": [<names of new property>], | ||
| * "field": { | ||
| * "<type>": [<names of new property>] | ||
| * } | ||
| * }, | ||
| * "modify": { | ||
| * "entity": [ | ||
| * { | ||
| * "from": { <properties that identify record> }, | ||
| * "to": { <properties that need to be changed> } | ||
| * } | ||
| * ], | ||
| * "container": [], | ||
| * "model": [], | ||
| * "view": [], | ||
| * "field": [] | ||
| * }, | ||
| * } | ||
| */ | ||
| { | ||
| "add": {}, | ||
| "modify": { | ||
| "field": [ | ||
| [ | ||
| "assignProperties", | ||
| { | ||
| "key": "identity", | ||
| "valueType": "object" | ||
| }, | ||
| { | ||
| "generatedDefaultValue": { | ||
| "asIdentity": true, | ||
| "generatedType": "" | ||
| } | ||
| } | ||
| ], | ||
| [ | ||
| "movePropertyByPath", | ||
| { | ||
| "from": "identity", | ||
| "to": "generatedDefaultValue.identity" | ||
| } | ||
| ], | ||
| [ | ||
| "movePropertyByPath", | ||
| { | ||
| "from": "generatedDefaultValue.identity.generated", | ||
| "to": "generatedDefaultValue.generatedType" | ||
| } | ||
| ], | ||
| [ | ||
| "movePropertyByPath", | ||
| { | ||
| "from": "generatedDefaultValue.identity.generatedOnNull", | ||
| "to": "generatedDefaultValue.generatedOnNull" | ||
| } | ||
| ], | ||
| [ | ||
| "addMissingIdByPath", | ||
| { | ||
| "from": "generatedDefaultValue", | ||
| "path": "generatedDefaultValue.GUID" | ||
| } | ||
| ] | ||
| ] | ||
| }, | ||
| "delete": { | ||
| "number": [ | ||
| { | ||
| "path": "generatedDefaultValue.identity.generated" | ||
| }, | ||
| { | ||
| "path": "generatedDefaultValue.identity.generatedOnNull" | ||
| } | ||
| ] | ||
| } | ||
| } |
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105 changes: 105 additions & 0 deletions
105
forward_engineering/ddlProvider/ddlHelpers/columnDefinitionHelpers/getColumnDefault.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| const { isEmpty, isNumber, trim } = require('lodash'); | ||
|
|
||
| /** | ||
| * @enum | ||
| */ | ||
| const GENERATED_TYPE = { | ||
| always: 'ALWAYS', | ||
| byDefault: 'BY DEFAULT', | ||
| }; | ||
|
|
||
| /** | ||
| * @typedef {{ | ||
| * identityStart?: number; | ||
| * identityIncrement?: number; | ||
| * numberToCache?: number; | ||
| * }} Identity | ||
| * | ||
| * @typedef {{ | ||
| * generatedType: GENERATED_TYPE | ''; | ||
| * asIdentity?: boolean; | ||
| * generatedOnNull?: boolean; | ||
| * expression?: string; | ||
| * identity?: Identity; | ||
| * }} GeneratedDefaultValue | ||
| */ | ||
|
|
||
| /** | ||
| * | ||
| * @param {{ type: string; }} | ||
| * @returns {boolean} | ||
| */ | ||
| const canHaveIdentity = ({ type }) => { | ||
| const typesAllowedToHaveAutoIncrement = ['number']; | ||
| return typesAllowedToHaveAutoIncrement.includes(type.toLowerCase()); | ||
| }; | ||
|
|
||
| /** | ||
| * @param {{ onNull: boolean; }} | ||
| * @returns {string} | ||
| */ | ||
| const getOnNullClause = ({ onNull }) => (onNull ? ' ON NULL' : ''); | ||
|
|
||
| /** | ||
| * @param {{ generatedType: string; generatedOnNull?: boolean; }} | ||
| * @returns {string} | ||
| */ | ||
| const getGeneratedClause = ({ generatedType, generatedOnNull }) => { | ||
| const onNull = getOnNullClause({ onNull: generatedOnNull }); | ||
|
|
||
| switch (generatedType) { | ||
| case GENERATED_TYPE.byDefault: { | ||
| return ` GENERATED BY DEFAULT${onNull}`; | ||
| } | ||
| case GENERATED_TYPE.always: { | ||
| return ' GENERATED ALWAYS'; | ||
| } | ||
| default: { | ||
| return ''; | ||
| } | ||
| } | ||
| }; | ||
|
|
||
| /** | ||
| * @param {{ identityStart?: number; identityIncrement?: number; numberToCache?: number; }} | ||
| * @returns {string} | ||
| */ | ||
| const getIdentityOptions = ({ identityStart, identityIncrement, numberToCache }) => { | ||
| const startWith = isNumber(identityStart) ? ` START WITH ${identityStart}` : ''; | ||
| const incrementBy = isNumber(identityIncrement) ? ` INCREMENT BY ${identityIncrement}` : ''; | ||
| const cache = isNumber(numberToCache) ? ` CACHE ${numberToCache}` : ' NOCACHE'; | ||
|
|
||
| return trim(`${startWith}${incrementBy}${cache}`); | ||
| }; | ||
|
|
||
| /** | ||
| * @param {{ type: string; default: any; defaultOnNull?: boolean; generatedDefaultValue?: GeneratedDefaultValue }} | ||
| * @returns {string} | ||
| */ | ||
| const getColumnDefault = ({ type, default: defaultValue, defaultOnNull, generatedDefaultValue = {} }) => { | ||
| const { generatedType, generatedOnNull, asIdentity, identity, expression } = generatedDefaultValue; | ||
| const generatedClause = getGeneratedClause({ generatedType, generatedOnNull }); | ||
| const expressionValue = trim(expression); | ||
|
|
||
| if (generatedType && asIdentity && canHaveIdentity({ type }) && !isEmpty(identity)) { | ||
| const identityOptions = getIdentityOptions(identity); | ||
|
|
||
| return `${generatedClause} AS IDENTITY (${identityOptions})`; | ||
| } | ||
|
|
||
| if (expressionValue) { | ||
| return `${generatedClause} AS (${expressionValue})`; | ||
| } | ||
|
|
||
| if (defaultValue || defaultValue === 0) { | ||
| const onNull = getOnNullClause({ onNull: defaultOnNull }); | ||
|
|
||
| return ` DEFAULT${onNull} ${defaultValue}`; | ||
| } | ||
|
|
||
| return ''; | ||
| }; | ||
|
|
||
| module.exports = { | ||
| getColumnDefault, | ||
| }; |
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