diff --git a/core/api.go b/core/api.go
index b615b028..932c5d14 100644
--- a/core/api.go
+++ b/core/api.go
@@ -46,7 +46,7 @@ const (
 
 // GraphJin struct is an instance of the GraphJin engine it holds all the required information like
 // datase schemas, relationships, etc that the GraphQL to SQL compiler would need to do it's job.
-type GraphjinEngine struct {
+type graphjinEngine struct {
 	conf                  *Config
 	db                    *sql.DB
 	log                   *_log.Logger
@@ -83,7 +83,7 @@ type GraphJin struct {
 	done chan bool
 }
 
-type Option func(*GraphjinEngine) error
+type Option func(*graphjinEngine) error
 
 // NewGraphJin creates the GraphJin struct, this involves querying the database to learn its
 // schemas and relationships
@@ -131,7 +131,7 @@ func (g *GraphJin) newGraphJin(conf *Config,
 
 	t := time.Now()
 
-	gj := &GraphjinEngine{
+	gj := &graphjinEngine{
 		conf:        conf,
 		db:          db,
 		dbinfo:      dbinfo,
@@ -204,7 +204,7 @@ func (g *GraphJin) newGraphJin(conf *Config,
 }
 
 func OptionSetNamespace(namespace string) Option {
-	return func(s *GraphjinEngine) error {
+	return func(s *graphjinEngine) error {
 		s.namespace = namespace
 		return nil
 	}
@@ -212,7 +212,7 @@ func OptionSetNamespace(namespace string) Option {
 
 // OptionSetFS sets the file system to be used by GraphJin
 func OptionSetFS(fs FS) Option {
-	return func(s *GraphjinEngine) error {
+	return func(s *graphjinEngine) error {
 		s.fs = fs
 		return nil
 	}
@@ -220,7 +220,7 @@ func OptionSetFS(fs FS) Option {
 
 // OptionSetTrace sets the tracer to be used by GraphJin
 func OptionSetTrace(trace Tracer) Option {
-	return func(s *GraphjinEngine) error {
+	return func(s *graphjinEngine) error {
 		s.trace = trace
 		return nil
 	}
@@ -228,7 +228,7 @@ func OptionSetTrace(trace Tracer) Option {
 
 // OptionSetResolver sets the resolver function to be used by GraphJin
 func OptionSetResolver(name string, fn ResolverFn) Option {
-	return func(s *GraphjinEngine) error {
+	return func(s *graphjinEngine) error {
 		if s.rtmap == nil {
 			s.rtmap = s.newRTMap()
 		}
@@ -301,7 +301,7 @@ func (g *GraphJin) GraphQL(c context.Context,
 	vars json.RawMessage,
 	rc *RequestConfig,
 ) (res *Result, err error) {
-	gj := g.Load().(*GraphjinEngine)
+	gj := g.Load().(*graphjinEngine)
 
 	c1, span := gj.spanStart(c, "GraphJin Query")
 	defer span.End()
@@ -382,7 +382,7 @@ func (g *GraphJin) GraphQLByName(c context.Context,
 	vars json.RawMessage,
 	rc *RequestConfig,
 ) (res *Result, err error) {
-	gj := g.Load().(*GraphjinEngine)
+	gj := g.Load().(*graphjinEngine)
 
 	c1, span := gj.spanStart(c, "GraphJin Query")
 	defer span.End()
@@ -432,7 +432,7 @@ type GraphqlResponse struct {
 }
 
 // newGraphqlReq creates a new GraphQL request
-func (gj *GraphjinEngine) newGraphqlReq(rc *RequestConfig,
+func (gj *graphjinEngine) newGraphqlReq(rc *RequestConfig,
 	op string,
 	name string,
 	query []byte,
@@ -466,13 +466,13 @@ func (r *GraphqlReq) Set(item allow.Item) {
 }
 
 // GraphQL function is our main function it takes a GraphQL query compiles it
-func (gj *GraphjinEngine) queryWithResult(c context.Context, r GraphqlReq) (res *Result, err error) {
+func (gj *graphjinEngine) queryWithResult(c context.Context, r GraphqlReq) (res *Result, err error) {
 	resp, err := gj.query(c, r)
 	return &resp.res, err
 }
 
 // GraphQL function is our main function it takes a GraphQL query compiles it
-func (gj *GraphjinEngine) query(c context.Context, r GraphqlReq) (
+func (gj *graphjinEngine) query(c context.Context, r GraphqlReq) (
 	resp GraphqlResponse, err error,
 ) {
 	resp.res = Result{
@@ -527,14 +527,14 @@ func (g *GraphJin) Reload() error {
 
 // reload redoes database discover and reinitializes GraphJin.
 func (g *GraphJin) reload(di *sdata.DBInfo) (err error) {
-	gj := g.Load().(*GraphjinEngine)
+	gj := g.Load().(*graphjinEngine)
 	err = g.newGraphJin(gj.conf, gj.db, di, gj.fs, gj.opts...)
 	return
 }
 
 // IsProd return true for production mode or false for development mode
 func (g *GraphJin) IsProd() bool {
-	gj := g.Load().(*GraphjinEngine)
+	gj := g.Load().(*graphjinEngine)
 	return gj.prod
 }
 
diff --git a/core/args.go b/core/args.go
index 755fa7d2..0d6245e0 100644
--- a/core/args.go
+++ b/core/args.go
@@ -18,7 +18,7 @@ type args struct {
 	cindx  int // index of cursor arg
 }
 
-func (gj *GraphjinEngine) argList(c context.Context,
+func (gj *graphjinEngine) argList(c context.Context,
 	md psql.Metadata,
 	fields map[string]json.RawMessage,
 	rc *RequestConfig,
diff --git a/core/cache.go b/core/cache.go
index 52a03d64..524d4c30 100644
--- a/core/cache.go
+++ b/core/cache.go
@@ -9,7 +9,7 @@ type Cache struct {
 }
 
 // initCache initializes the cache
-func (gj *GraphjinEngine) initCache() (err error) {
+func (gj *graphjinEngine) initCache() (err error) {
 	gj.cache.cache, err = lru.New2Q(500)
 	return
 }
diff --git a/core/core.go b/core/core.go
index b00ef3f4..37511743 100644
--- a/core/core.go
+++ b/core/core.go
@@ -56,7 +56,7 @@ const (
 // 	Duration    time.Duration `json:"duration"`
 // }
 
-func (gj *GraphjinEngine) getIntroResult() (data json.RawMessage, err error) {
+func (gj *graphjinEngine) getIntroResult() (data json.RawMessage, err error) {
 	var ok bool
 	if data, ok = gj.cache.Get("_intro"); ok {
 		return
@@ -69,7 +69,7 @@ func (gj *GraphjinEngine) getIntroResult() (data json.RawMessage, err error) {
 }
 
 // Initializes the database discovery process on graphjin
-func (gj *GraphjinEngine) initDiscover() (err error) {
+func (gj *graphjinEngine) initDiscover() (err error) {
 	switch gj.conf.DBType {
 	case "":
 		gj.dbtype = "postgres"
@@ -86,7 +86,7 @@ func (gj *GraphjinEngine) initDiscover() (err error) {
 }
 
 // Private method that does the actual database discovery for initDiscover
-func (gj *GraphjinEngine) _initDiscover() (err error) {
+func (gj *graphjinEngine) _initDiscover() (err error) {
 	if gj.prod && gj.conf.EnableSchema {
 		b, err := gj.fs.Get("db.graphql")
 		if err != nil {
@@ -132,14 +132,14 @@ func (gj *GraphjinEngine) _initDiscover() (err error) {
 }
 
 // Initializes the database schema on graphjin
-func (gj *GraphjinEngine) initSchema() error {
+func (gj *graphjinEngine) initSchema() error {
 	if err := gj._initSchema(); err != nil {
 		return fmt.Errorf("%s: %w", gj.dbtype, err)
 	}
 	return nil
 }
 
-func (gj *GraphjinEngine) _initSchema() (err error) {
+func (gj *graphjinEngine) _initSchema() (err error) {
 	if len(gj.dbinfo.Tables) == 0 {
 		return fmt.Errorf("no tables found in database")
 	}
@@ -170,7 +170,6 @@ func (gj *GraphjinEngine) _initSchema() (err error) {
 	gj.schema, err = sdata.NewDBSchema(
 		gj.dbinfo,
 		getDBTableAliases(gj.conf))
-
 	if err != nil {
 		return
 	}
@@ -178,7 +177,7 @@ func (gj *GraphjinEngine) _initSchema() (err error) {
 	return
 }
 
-func (gj *GraphjinEngine) initIntro() (err error) {
+func (gj *graphjinEngine) initIntro() (err error) {
 	if !gj.prod && gj.conf.EnableIntrospection {
 		var introJSON json.RawMessage
 		introJSON, err = gj.getIntroResult()
@@ -194,7 +193,7 @@ func (gj *GraphjinEngine) initIntro() (err error) {
 }
 
 // Initializes the qcode compilers
-func (gj *GraphjinEngine) initCompilers() (err error) {
+func (gj *graphjinEngine) initCompilers() (err error) {
 	qcc := qcode.Config{
 		TConfig:         gj.tmap,
 		DefaultBlock:    gj.conf.DefaultBlock,
@@ -225,7 +224,7 @@ func (gj *GraphjinEngine) initCompilers() (err error) {
 	return
 }
 
-func (gj *GraphjinEngine) executeRoleQuery(c context.Context,
+func (gj *graphjinEngine) executeRoleQuery(c context.Context,
 	conn *sql.Conn,
 	vmap map[string]json.RawMessage,
 	rc *RequestConfig,
@@ -387,7 +386,7 @@ func (s *gstate) debugLogStmt() {
 }
 
 // Saved the query qcode to the allow list
-func (gj *GraphjinEngine) saveToAllowList(qc *qcode.QCode, ns string) (err error) {
+func (gj *graphjinEngine) saveToAllowList(qc *qcode.QCode, ns string) (err error) {
 	if gj.conf.DisableAllowList {
 		return nil
 	}
@@ -417,7 +416,7 @@ func (gj *GraphjinEngine) saveToAllowList(qc *qcode.QCode, ns string) (err error
 }
 
 // Starts tracing with the given name
-func (gj *GraphjinEngine) spanStart(c context.Context, name string) (context.Context, Spaner) {
+func (gj *graphjinEngine) spanStart(c context.Context, name string) (context.Context, Spaner) {
 	return gj.trace.Start(c, name)
 }
 
diff --git a/core/gstate.go b/core/gstate.go
index 8d305bfd..19a46d24 100644
--- a/core/gstate.go
+++ b/core/gstate.go
@@ -16,7 +16,7 @@ import (
 )
 
 type gstate struct {
-	gj    *GraphjinEngine
+	gj    *graphjinEngine
 	r     GraphqlReq
 	cs    *cstate
 	vmap  map[string]json.RawMessage
@@ -40,7 +40,7 @@ type stmt struct {
 	sql  string
 }
 
-func newGState(c context.Context, gj *GraphjinEngine, r GraphqlReq) (s gstate, err error) {
+func newGState(c context.Context, gj *graphjinEngine, r GraphqlReq) (s gstate, err error) {
 	s.gj = gj
 	s.r = r
 
diff --git a/core/init.go b/core/init.go
index 9fcbb4a2..f70dc7a7 100644
--- a/core/init.go
+++ b/core/init.go
@@ -11,7 +11,7 @@ import (
 )
 
 // Initializes the graphjin instance with the config
-func (gj *GraphjinEngine) initConfig() error {
+func (gj *graphjinEngine) initConfig() error {
 	c := gj.conf
 
 	tableMap := make(map[string]struct{})
@@ -85,7 +85,7 @@ func (gj *GraphjinEngine) initConfig() error {
 }
 
 // addTableInfo adds table info to the compiler
-func (gj *GraphjinEngine) addTableInfo(t Table) error {
+func (gj *graphjinEngine) addTableInfo(t Table) error {
 	obm := map[string][][2]string{}
 
 	for k, ob := range t.OrderBy {
@@ -440,12 +440,11 @@ func isASCII(s string) (int, bool) {
 }
 
 // initAllowList initializes the allow list
-func (gj *GraphjinEngine) initAllowList() (err error) {
+func (gj *graphjinEngine) initAllowList() (err error) {
 	gj.allowList, err = allow.New(
 		gj.log,
 		gj.fs,
 		gj.conf.DisableAllowList) // if true then read only
-
 	if err != nil {
 		return fmt.Errorf("failed to initialize allow list: %w", err)
 	}
diff --git a/core/intro.go b/core/intro.go
index b409441c..c1afa277 100644
--- a/core/intro.go
+++ b/core/intro.go
@@ -199,8 +199,7 @@ type Introspection struct {
 }
 
 // introQuery returns the introspection query result
-func (gj *GraphjinEngine) introQuery() (result json.RawMessage, err error) {
-
+func (gj *graphjinEngine) introQuery() (result json.RawMessage, err error) {
 	// Initialize the introscpection object
 	in := Introspection{
 		schema:      gj.schema,
@@ -217,7 +216,6 @@ func (gj *GraphjinEngine) introQuery() (result json.RawMessage, err error) {
 		MutationType:     &ShortFullType{Name: "Mutation"},
 	}
 
-	// Add the standard types
 	// Add the standard types
 	for _, v := range stdTypes {
 		in.addType(v)
@@ -242,21 +240,14 @@ func (gj *GraphjinEngine) introQuery() (result json.RawMessage, err error) {
 	in.addExpTypes(v, "IntList", newTypeRef("", "Int", nil))
 	in.addExpTypes(v, "BooleanList", newTypeRef("", "Boolean", nil))
 	in.addExpTypes(v, "FloatList", newTypeRef("", "Float", nil))
-	in.addExpTypes(v, "StringList", newTypeRef("", "String", nil))
-	in.addExpTypes(v, "IntList", newTypeRef("", "Int", nil))
-	in.addExpTypes(v, "BooleanList", newTypeRef("", "Boolean", nil))
-	in.addExpTypes(v, "FloatList", newTypeRef("", "Float", nil))
 
 	v = append(expAll, expJSON...)
 	in.addExpTypes(v, "JSON", newTypeRef("", "String", nil))
-	in.addExpTypes(v, "JSON", newTypeRef("", "String", nil))
 
-	// Add the roles
 	// Add the roles
 	in.addRolesEnumType(gj.roles)
 	in.addTablesEnumType()
 
-	// Get all the alias and add to the schema
 	// Get all the alias and add to the schema
 	for alias, t := range in.schema.GetAliases() {
 		if err = in.addTable(t, alias); err != nil {
@@ -264,7 +255,6 @@ func (gj *GraphjinEngine) introQuery() (result json.RawMessage, err error) {
 		}
 	}
 
-	// Get all the tables and add to the schema
 	// Get all the tables and add to the schema
 	for _, t := range in.schema.GetTables() {
 		if err = in.addTable(t, ""); err != nil {
@@ -272,14 +262,12 @@ func (gj *GraphjinEngine) introQuery() (result json.RawMessage, err error) {
 		}
 	}
 
-	// Add the directives
 	// Add the directives
 	for _, dt := range dirTypes {
 		in.addDirType(dt)
 	}
 	in.addDirValidateType()
 
-	// Add the types to the schema
 	// Add the types to the schema
 	for _, v := range in.types {
 		in.result.Schema.Types = append(in.result.Schema.Types, v)
diff --git a/core/resolve.go b/core/resolve.go
index 678cc402..fc5526f1 100644
--- a/core/resolve.go
+++ b/core/resolve.go
@@ -16,7 +16,7 @@ type resItem struct {
 }
 
 // newRTMap returns a map of resolver functions
-func (gj *GraphjinEngine) newRTMap() map[string]ResolverFn {
+func (gj *graphjinEngine) newRTMap() map[string]ResolverFn {
 	return map[string]ResolverFn{
 		"remote_api": func(v ResolverProps) (Resolver, error) {
 			return newRemoteAPI(v, gj.trace.NewHTTPClient())
@@ -25,7 +25,7 @@ func (gj *GraphjinEngine) newRTMap() map[string]ResolverFn {
 }
 
 // initResolvers initializes the resolvers
-func (gj *GraphjinEngine) initResolvers() error {
+func (gj *graphjinEngine) initResolvers() error {
 	gj.rmap = make(map[string]resItem)
 
 	if gj.rtmap == nil {
@@ -45,7 +45,7 @@ func (gj *GraphjinEngine) initResolvers() error {
 }
 
 // initRemote initializes the remote resolver
-func (gj *GraphjinEngine) initRemote(
+func (gj *graphjinEngine) initRemote(
 	rc ResolverConfig, rtmap map[string]ResolverFn,
 ) error {
 	// Defines the table column to be used as an id in the
diff --git a/core/rolestmt.go b/core/rolestmt.go
index 61a59aa2..de87f58f 100644
--- a/core/rolestmt.go
+++ b/core/rolestmt.go
@@ -8,7 +8,7 @@ import (
 )
 
 // nolint:errcheck
-func (gj *GraphjinEngine) prepareRoleStmt() error {
+func (gj *graphjinEngine) prepareRoleStmt() error {
 	if !gj.abacEnabled {
 		return nil
 	}
diff --git a/core/subs.go b/core/subs.go
index ed149a46..57d43e5b 100644
--- a/core/subs.go
+++ b/core/subs.go
@@ -91,7 +91,7 @@ func (g *GraphJin) Subscribe(
 		return
 	}
 
-	gj := g.Load().(*GraphjinEngine)
+	gj := g.Load().(*graphjinEngine)
 
 	// create the request object
 	r := gj.newGraphqlReq(rc, "subscription", h.Name, nil, vars)
@@ -121,7 +121,7 @@ func (g *GraphJin) SubscribeByName(
 	vars json.RawMessage,
 	rc *RequestConfig,
 ) (m *Member, err error) {
-	gj := g.Load().(*GraphjinEngine)
+	gj := g.Load().(*graphjinEngine)
 
 	item, err := gj.allowList.GetByName(name, gj.prod)
 	if err != nil {
@@ -135,7 +135,7 @@ func (g *GraphJin) SubscribeByName(
 }
 
 // subscribe function is called on the graphjin struct to subscribe to a query.
-func (gj *GraphjinEngine) subscribe(c context.Context, r GraphqlReq) (
+func (gj *graphjinEngine) subscribe(c context.Context, r GraphqlReq) (
 	m *Member, err error,
 ) {
 	if r.operation != qcode.QTSubscription {
@@ -208,7 +208,7 @@ func (gj *GraphjinEngine) subscribe(c context.Context, r GraphqlReq) (
 }
 
 // initSub function is called on the graphjin struct to initialize a subscription.
-func (gj *GraphjinEngine) initSub(c context.Context, sub *sub) (err error) {
+func (gj *graphjinEngine) initSub(c context.Context, sub *sub) (err error) {
 	if err = sub.s.compile(); err != nil {
 		return
 	}
@@ -229,7 +229,7 @@ func (gj *GraphjinEngine) initSub(c context.Context, sub *sub) (err error) {
 }
 
 // subController function is called on the graphjin struct to control the subscription.
-func (gj *GraphjinEngine) subController(sub *sub) {
+func (gj *graphjinEngine) subController(sub *sub) {
 	// remove subscription if controller exists
 	defer gj.subs.Delete(sub.k)
 
@@ -345,7 +345,7 @@ func (s *sub) updateMember(msg mmsg) error {
 }
 
 // fanOutJobs function is called on the sub struct to fan out jobs.
-func (s *sub) fanOutJobs(gj *GraphjinEngine) {
+func (s *sub) fanOutJobs(gj *graphjinEngine) {
 	switch {
 	case len(s.ids) == 0:
 		return
@@ -363,7 +363,7 @@ func (s *sub) fanOutJobs(gj *GraphjinEngine) {
 }
 
 // subCheckUpdates function is called on the graphjin struct to check updates.
-func (gj *GraphjinEngine) subCheckUpdates(sub *sub, mv mval, start int) {
+func (gj *graphjinEngine) subCheckUpdates(sub *sub, mv mval, start int) {
 	// Do not use the `mval` embedded inside sub since
 	// its not thread safe use the copy `mv mval`.
 
@@ -410,7 +410,6 @@ func (gj *GraphjinEngine) subCheckUpdates(sub *sub, mv mval, start int) {
 		}
 		return
 	})
-
 	if err != nil {
 		gj.log.Printf(errSubs, "query", err)
 		return
@@ -442,7 +441,7 @@ func (gj *GraphjinEngine) subCheckUpdates(sub *sub, mv mval, start int) {
 }
 
 // subFirstQuery function is called on the graphjin struct to get the first query.
-func (gj *GraphjinEngine) subFirstQuery(sub *sub, m *Member) (mmsg, error) {
+func (gj *graphjinEngine) subFirstQuery(sub *sub, m *Member) (mmsg, error) {
 	c := context.Background()
 
 	// when params are not available we use a more optimized
@@ -483,7 +482,7 @@ func (gj *GraphjinEngine) subFirstQuery(sub *sub, m *Member) (mmsg, error) {
 }
 
 // subNotifyMember function is called on the graphjin struct to notify a member.
-func (gj *GraphjinEngine) subNotifyMember(s *sub, mv mval, j int, js json.RawMessage) {
+func (gj *graphjinEngine) subNotifyMember(s *sub, mv mval, j int, js json.RawMessage) {
 	_, err := gj.subNotifyMemberEx(s,
 		mv.mi[j].dh,
 		mv.mi[j].cindx,
@@ -495,7 +494,7 @@ func (gj *GraphjinEngine) subNotifyMember(s *sub, mv mval, j int, js json.RawMes
 }
 
 // subNotifyMemberEx function is called on the graphjin struct to notify a member.
-func (gj *GraphjinEngine) subNotifyMemberEx(sub *sub,
+func (gj *graphjinEngine) subNotifyMemberEx(sub *sub,
 	dh [32]byte, cindx int, id uint64, rc chan *Result, js json.RawMessage, update bool,
 ) (mmsg, error) {
 	mm := mmsg{id: id}
diff --git a/core/watcher.go b/core/watcher.go
index f1bb1478..3f3b58ae 100644
--- a/core/watcher.go
+++ b/core/watcher.go
@@ -8,7 +8,7 @@ import (
 
 // initDBWatcher initializes the database schema watcher
 func (g *GraphJin) initDBWatcher() error {
-	gj := g.Load().(*GraphjinEngine)
+	gj := g.Load().(*graphjinEngine)
 
 	// no schema polling in production
 	if gj.prod {
@@ -37,7 +37,7 @@ func (g *GraphJin) startDBWatcher(ps time.Duration) {
 	defer ticker.Stop()
 
 	for range ticker.C {
-		gj := g.Load().(*GraphjinEngine)
+		gj := g.Load().(*graphjinEngine)
 
 		latestDi, err := sdata.GetDBInfo(
 			gj.db,