diff --git a/pkg/bench/rttanalysis/internal_executor_bench_test.go b/pkg/bench/rttanalysis/internal_executor_bench_test.go
new file mode 100644
index 000000000000..71724a66e248
--- /dev/null
+++ b/pkg/bench/rttanalysis/internal_executor_bench_test.go
@@ -0,0 +1,45 @@
+// Copyright 2021 The Cockroach Authors.
+//
+// Use of this software is governed by the Business Source License
+// included in the file licenses/BSL.txt.
+//
+// As of the Change Date specified in that file, in accordance with
+// the Business Source License, use of this software will be governed
+// by the Apache License, Version 2.0, included in the file
+// licenses/APL.txt.
+
+package rttanalysis
+
+import "testing"
+
+func BenchmarkInternalExecutor(b *testing.B) {
+	tests := []RoundTripBenchTestCase{
+		{
+			Name:  "has_schema_privilege_1_col",
+			Setup: `CREATE SCHEMA s;`,
+			Stmt:  `SELECT has_schema_privilege('s', 'CREATE')`,
+		},
+		{
+			Name:  "has_schema_privilege_2_col",
+			Setup: `CREATE SCHEMA s;`,
+			Stmt:  `SELECT has_schema_privilege('s', 'CREATE'), has_schema_privilege('s', 'CREATE')`,
+		},
+		{
+			Name:  "has_schema_privilege_3_col",
+			Setup: `CREATE SCHEMA s;`,
+			Stmt:  `SELECT has_schema_privilege('s', 'CREATE'), has_schema_privilege('s', 'CREATE'), has_schema_privilege('s', 'CREATE')`,
+		},
+		{
+			Name:  "has_schema_privilege_3_schemas_3_col",
+			Setup: `CREATE SCHEMA s; CREATE SCHEMA s2; CREATE SCHEMA s3;`,
+			Stmt:  `SELECT has_schema_privilege('s', 'CREATE'), has_schema_privilege('s', 'CREATE'), has_schema_privilege('s', 'CREATE')`,
+		},
+		{
+			Name:  "has_schema_privilege_5_schemas_3_col",
+			Setup: `CREATE SCHEMA s; CREATE SCHEMA s2; CREATE SCHEMA s3; CREATE SCHEMA s4; CREATE SCHEMA s5;`,
+			Stmt:  `SELECT has_schema_privilege('s', 'CREATE'), has_schema_privilege('s', 'CREATE'), has_schema_privilege('s', 'CREATE')`,
+		},
+	}
+
+	RunRoundTripBenchmark(b, tests)
+}
diff --git a/pkg/bench/rttanalysis/testdata/benchmark_expectations b/pkg/bench/rttanalysis/testdata/benchmark_expectations
index ccbc3ef164a1..22b41dd3fdc9 100644
--- a/pkg/bench/rttanalysis/testdata/benchmark_expectations
+++ b/pkg/bench/rttanalysis/testdata/benchmark_expectations
@@ -52,6 +52,11 @@ exp,benchmark
 20,Grant/grant_all_on_3_tables
 17,GrantRole/grant_1_role
 20,GrantRole/grant_2_roles
+10,InternalExecutor/has_schema_privilege_1_col
+14,InternalExecutor/has_schema_privilege_2_col
+18,InternalExecutor/has_schema_privilege_3_col
+48,InternalExecutor/has_schema_privilege_3_schemas_3_col
+72,InternalExecutor/has_schema_privilege_5_schemas_3_col
 2,ORMQueries/activerecord_type_introspection_query
 2,ORMQueries/django_table_introspection_1_table
 2,ORMQueries/django_table_introspection_4_tables
@@ -60,8 +65,13 @@ exp,benchmark
 2,ORMQueries/has_column_privilege_using_column_name
 2,ORMQueries/has_table_privilege_real_table
 2,ORMQueries/has_table_privilege_virtual_table
+3,ORMQueries/information_schema._pg_index_position
 2,ORMQueries/pg_attribute
 2,ORMQueries/pg_class
+4,ORMQueries/pg_is_other_temp_schema
+4,ORMQueries/pg_is_other_temp_schema_multiple_times
+2,ORMQueries/pg_my_temp_schema
+2,ORMQueries/pg_my_temp_schema_multiple_times
 2,ORMQueries/pg_namespace
 2,ORMQueries/pg_type
 16,Revoke/revoke_all_on_1_table
diff --git a/pkg/bench/rttanalysis/validate_benchmark_data.go b/pkg/bench/rttanalysis/validate_benchmark_data.go
index b56ec0cb507d..1c3b8c409125 100644
--- a/pkg/bench/rttanalysis/validate_benchmark_data.go
+++ b/pkg/bench/rttanalysis/validate_benchmark_data.go
@@ -238,7 +238,6 @@ func rewriteBenchmarkExpectations(t *testing.T, benchmarks []string) {
 			t.Fatalf("duplicate expecatations for Name %s", expectations[i].name)
 		}
 	}
-
 	writeExpectationsFile(t, expectations)
 }
 
diff --git a/pkg/ccl/streamingccl/streamingutils/BUILD.bazel b/pkg/ccl/streamingccl/streamingutils/BUILD.bazel
index 2e2664e179dc..7b42eff32262 100644
--- a/pkg/ccl/streamingccl/streamingutils/BUILD.bazel
+++ b/pkg/ccl/streamingccl/streamingutils/BUILD.bazel
@@ -9,7 +9,9 @@ go_library(
         "//pkg/jobs",
         "//pkg/jobs/jobspb",
         "//pkg/kv",
+        "//pkg/security",
         "//pkg/sql/sem/tree",
+        "//pkg/sql/sessiondata",
         "//pkg/streaming",
         "//pkg/util/hlc",
         "//pkg/util/protoutil",
diff --git a/pkg/ccl/streamingccl/streamingutils/utils.go b/pkg/ccl/streamingccl/streamingutils/utils.go
index 9ec5d088e552..b1710010273b 100644
--- a/pkg/ccl/streamingccl/streamingutils/utils.go
+++ b/pkg/ccl/streamingccl/streamingutils/utils.go
@@ -12,9 +12,7 @@ import (
 	"github.com/cockroachdb/cockroach/pkg/jobs"
 	"github.com/cockroachdb/cockroach/pkg/jobs/jobspb"
 	"github.com/cockroachdb/cockroach/pkg/kv"
-	"github.com/cockroachdb/cockroach/pkg/security"
 	"github.com/cockroachdb/cockroach/pkg/sql/sem/tree"
-	"github.com/cockroachdb/cockroach/pkg/sql/sessiondata"
 	"github.com/cockroachdb/cockroach/pkg/streaming"
 	"github.com/cockroachdb/cockroach/pkg/util/hlc"
 	"github.com/cockroachdb/cockroach/pkg/util/protoutil"
@@ -33,9 +31,7 @@ func doCompleteIngestion(
 	const jobsQuery = `SELECT progress FROM system.jobs WHERE id=$1 FOR UPDATE`
 	row, err := evalCtx.Planner.QueryRowEx(evalCtx.Context,
 		"get-stream-ingestion-job-metadata",
-		txn, sessiondata.InternalExecutorOverride{
-			User: security.RootUserName(),
-		}, jobsQuery, jobID)
+		txn, evalCtx.SessionData(), jobsQuery, jobID)
 	if err != nil {
 		return err
 	}
@@ -89,8 +85,6 @@ func doCompleteIngestion(
 	updateJobQuery := `UPDATE system.jobs SET progress=$1 WHERE id=$2`
 	_, err = evalCtx.Planner.QueryRowEx(evalCtx.Context,
 		"set-stream-ingestion-job-metadata", txn,
-		sessiondata.InternalExecutorOverride{
-			User: security.RootUserName(),
-		}, updateJobQuery, progressBytes, jobID)
+		evalCtx.SessionData(), updateJobQuery, progressBytes, jobID)
 	return err
 }
diff --git a/pkg/server/server_sql.go b/pkg/server/server_sql.go
index 9e7202529132..215767bbf4cf 100644
--- a/pkg/server/server_sql.go
+++ b/pkg/server/server_sql.go
@@ -763,7 +763,7 @@ func newSQLServer(ctx context.Context, cfg sqlServerArgs) (*SQLServer, error) {
 
 	// Now that we have a pgwire.Server (which has a sql.Server), we can close a
 	// circular dependency between the rowexec.Server and sql.Server and set
-	// SessionBoundInternalExecutorFactory. The same applies for setting a
+	// InternalExecutorFactory. The same applies for setting a
 	// SessionBoundInternalExecutor on the job registry.
 	ieFactory := func(
 		ctx context.Context, sessionData *sessiondata.SessionData,
@@ -777,9 +777,24 @@ func newSQLServer(ctx context.Context, cfg sqlServerArgs) (*SQLServer, error) {
 		ie.SetSessionData(sessionData)
 		return &ie
 	}
+
+	ieFactoryForBuiltins := func(
+		ctx context.Context, sessionData *sessiondata.SessionData, extraTxnState sql.ExtraTxnState,
+	) sql.InternalExecutor {
+		ie := sql.MakeInternalExecutor(
+			ctx,
+			pgServer.SQLServer,
+			internalMemMetrics,
+			cfg.Settings,
+		)
+		ie.SetExtraTxnState(extraTxnState)
+		ie.SetSessionData(sessionData)
+		return ie
+	}
 	distSQLServer.ServerConfig.SessionBoundInternalExecutorFactory = ieFactory
 	jobRegistry.SetSessionBoundInternalExecutorFactory(ieFactory)
 	execCfg.IndexBackfiller = sql.NewIndexBackfiller(execCfg, ieFactory)
+	execCfg.InternalExecutorFactory = ieFactoryForBuiltins
 
 	distSQLServer.ServerConfig.ProtectedTimestampProvider = execCfg.ProtectedTimestampProvider
 
diff --git a/pkg/sql/conn_executor.go b/pkg/sql/conn_executor.go
index ba7913b75760..395eab1d4de0 100644
--- a/pkg/sql/conn_executor.go
+++ b/pkg/sql/conn_executor.go
@@ -615,7 +615,7 @@ func (s *Server) SetupConn(
 
 	ex := s.newConnExecutor(
 		ctx, sdMutIterator, stmtBuf, clientComm, memMetrics, &s.Metrics,
-		s.sqlStats.GetApplicationStats(sd.ApplicationName),
+		s.sqlStats.GetApplicationStats(sd.ApplicationName), ExtraTxnState{},
 	)
 	return ConnectionHandler{ex}, nil
 }
@@ -724,6 +724,7 @@ func (s *Server) newConnExecutor(
 	memMetrics MemoryMetrics,
 	srvMetrics *Metrics,
 	applicationStats sqlstats.ApplicationStats,
+	extraTxnState ExtraTxnState,
 ) *connExecutor {
 	// Create the various monitors.
 	// The session monitors are started in activate().
@@ -809,6 +810,12 @@ func (s *Server) newConnExecutor(
 	}
 
 	ex.phaseTimes.SetSessionPhaseTime(sessionphase.SessionInit, timeutil.Now())
+	ex.mu.ActiveQueries = make(map[ClusterWideID]*queryMeta)
+	ex.machine = fsm.MakeMachine(TxnStateTransitions, stateNoTxn{}, &ex.state)
+
+	ex.sessionTracing.ex = ex
+	ex.transitionCtx.sessionTracing = &ex.sessionTracing
+
 	ex.extraTxnState.prepStmtsNamespace = prepStmtNamespace{
 		prepStmts: make(map[string]*PreparedStatement),
 		portals:   make(map[string]PreparedPortal),
@@ -818,19 +825,20 @@ func (s *Server) newConnExecutor(
 		portals:   make(map[string]PreparedPortal),
 	}
 	ex.extraTxnState.prepStmtsNamespaceMemAcc = ex.sessionMon.MakeBoundAccount()
-	ex.extraTxnState.descCollection = s.cfg.CollectionFactory.MakeCollection(
-		descs.NewTemporarySchemaProvider(sdMutIterator.sds),
-	)
 	ex.extraTxnState.txnRewindPos = -1
 	ex.extraTxnState.schemaChangeJobRecords = make(map[descpb.ID]*jobs.Record)
-	ex.mu.ActiveQueries = make(map[ClusterWideID]*queryMeta)
-	ex.machine = fsm.MakeMachine(TxnStateTransitions, stateNoTxn{}, &ex.state)
-
-	ex.sessionTracing.ex = ex
-	ex.transitionCtx.sessionTracing = &ex.sessionTracing
-
 	ex.extraTxnState.hasAdminRoleCache = HasAdminRoleCache{}
 
+	if extraTxnState.descs != nil {
+		ex.extraTxnState.descCollection = extraTxnState.descs
+		ex.extraTxnState.keepDescCollectionOnClose = true
+	} else {
+		descCol := s.cfg.CollectionFactory.MakeCollection(
+			descs.NewTemporarySchemaProvider(sdMutIterator.sds),
+		)
+		ex.extraTxnState.descCollection = &descCol
+	}
+
 	ex.initPlanner(ctx, &ex.planner)
 
 	return ex
@@ -857,6 +865,7 @@ func (s *Server) newConnExecutorWithTxn(
 	txn *kv.Txn,
 	syntheticDescs []catalog.Descriptor,
 	applicationStats sqlstats.ApplicationStats,
+	extraTxnState ExtraTxnState,
 ) *connExecutor {
 	ex := s.newConnExecutor(
 		ctx,
@@ -866,6 +875,7 @@ func (s *Server) newConnExecutorWithTxn(
 		memMetrics,
 		srvMetrics,
 		applicationStats,
+		extraTxnState,
 	)
 	if txn.Type() == kv.LeafTxn {
 		// If the txn is a leaf txn it is not allowed to perform mutations. For
@@ -1114,7 +1124,12 @@ type connExecutor struct {
 	// transaction finishes or gets retried.
 	extraTxnState struct {
 		// descCollection collects descriptors used by the current transaction.
-		descCollection descs.Collection
+		descCollection *descs.Collection
+
+		// keepDescsCollectionOnClose determines if descCollection should be
+		// flushed on connExec's close. If the descCollection is passed in
+		// from the parent, we do not want to flush it.
+		keepDescCollectionOnClose bool
 
 		// jobs accumulates jobs staged for execution inside the transaction.
 		// Staging happens when executing statements that are implemented with a
@@ -1482,7 +1497,9 @@ func (ex *connExecutor) resetExtraTxnState(ctx context.Context, ev txnEvent) err
 		delete(ex.extraTxnState.schemaChangeJobRecords, k)
 	}
 
-	ex.extraTxnState.descCollection.ReleaseAll(ctx)
+	if !ex.extraTxnState.keepDescCollectionOnClose {
+		ex.extraTxnState.descCollection.ReleaseAll(ctx)
+	}
 
 	// Close all portals.
 	for name, p := range ex.extraTxnState.prepStmtsNamespace.portals {
@@ -2445,7 +2462,7 @@ func (ex *connExecutor) initEvalCtx(ctx context.Context, evalCtx *extendedEvalCo
 		RegionsServer:          ex.server.cfg.RegionsServer,
 		SQLStatusServer:        ex.server.cfg.SQLStatusServer,
 		MemMetrics:             &ex.memMetrics,
-		Descs:                  &ex.extraTxnState.descCollection,
+		Descs:                  ex.extraTxnState.descCollection,
 		ExecCfg:                ex.server.cfg,
 		DistSQLPlanner:         ex.server.cfg.DistSQLPlanner,
 		TxnModesSetter:         ex,
@@ -2897,7 +2914,7 @@ func (ex *connExecutor) runPreCommitStages(ctx context.Context) error {
 		return nil
 	}
 	executor := scexec.NewExecutor(
-		ex.planner.txn, &ex.extraTxnState.descCollection, ex.server.cfg.Codec,
+		ex.planner.txn, ex.extraTxnState.descCollection, ex.server.cfg.Codec,
 		nil /* backfiller */, nil /* jobTracker */, ex.server.cfg.NewSchemaChangerTestingKnobs,
 		ex.server.cfg.JobRegistry, ex.planner.execCfg.InternalExecutor,
 	)
@@ -2948,7 +2965,7 @@ func (ex *connExecutor) runPreCommitStages(ctx context.Context) error {
 	}
 	// Write the job ID to the affected descriptors.
 	if err := scexec.UpdateDescriptorJobIDs(
-		ctx, ex.planner.Txn(), &ex.extraTxnState.descCollection, descIDs, jobspb.InvalidJobID, job.ID(),
+		ctx, ex.planner.Txn(), ex.extraTxnState.descCollection, descIDs, jobspb.InvalidJobID, job.ID(),
 	); err != nil {
 		return err
 	}
diff --git a/pkg/sql/conn_executor_exec.go b/pkg/sql/conn_executor_exec.go
index e73a10c038f1..803500993a47 100644
--- a/pkg/sql/conn_executor_exec.go
+++ b/pkg/sql/conn_executor_exec.go
@@ -794,7 +794,7 @@ func (ex *connExecutor) checkDescriptorTwoVersionInvariant(ctx context.Context)
 		ctx,
 		ex.server.cfg.Clock,
 		ex.server.cfg.InternalExecutor,
-		&ex.extraTxnState.descCollection,
+		ex.extraTxnState.descCollection,
 		ex.state.mu.txn,
 		inRetryBackoff,
 	)
diff --git a/pkg/sql/exec_util.go b/pkg/sql/exec_util.go
index c1936f169ca1..cbaa49d94655 100644
--- a/pkg/sql/exec_util.go
+++ b/pkg/sql/exec_util.go
@@ -1165,6 +1165,22 @@ type ExecutorConfig struct {
 	// SpanConfigReconciliationJobDeps are used to drive the span config
 	// reconciliation job.
 	SpanConfigReconciliationJobDeps spanconfig.ReconciliationDependencies
+
+	// InternalExecutorFactory is used to create an InternalExecutor binded with
+	// SessionData and other ExtraTxnState.
+	// This is currently only for builtin functions where we need to execute sql.
+	InternalExecutorFactory InternalExecutorFactory
+}
+
+// InternalExecutorFactory is a function that produces a "session
+// bound" internal executor.
+type InternalExecutorFactory func(
+	context.Context, *sessiondata.SessionData, ExtraTxnState,
+) InternalExecutor
+
+// ExtraTxnState holds state to initialize an InternalExecutor with.
+type ExtraTxnState struct {
+	descs *descs.Collection
 }
 
 // UpdateVersionSystemSettingHook provides a callback that allows us
diff --git a/pkg/sql/explain_bundle.go b/pkg/sql/explain_bundle.go
index 092e435243e8..ed2378eee10e 100644
--- a/pkg/sql/explain_bundle.go
+++ b/pkg/sql/explain_bundle.go
@@ -320,7 +320,7 @@ The UI can then be accessed at http://localhost:16686/search`, stmt)
 }
 
 func (b *stmtBundleBuilder) addEnv(ctx context.Context) {
-	c := makeStmtEnvCollector(ctx, b.ie, nil)
+	c := makeStmtEnvCollector(ctx, b.ie)
 
 	var buf bytes.Buffer
 	if err := c.PrintVersion(&buf); err != nil {
@@ -416,10 +416,8 @@ type stmtEnvCollector struct {
 	sessionDataOverride *sessiondata.SessionData
 }
 
-func makeStmtEnvCollector(
-	ctx context.Context, ie *InternalExecutor, sessionDataOverride *sessiondata.SessionData,
-) stmtEnvCollector {
-	return stmtEnvCollector{ctx: ctx, ie: ie, sessionDataOverride: sessionDataOverride}
+func makeStmtEnvCollector(ctx context.Context, ie *InternalExecutor) stmtEnvCollector {
+	return stmtEnvCollector{ctx: ctx, ie: ie}
 }
 
 // environmentQuery is a helper to run a query that returns a single string
@@ -429,7 +427,7 @@ func (c *stmtEnvCollector) query(query string) (string, error) {
 		c.ctx,
 		"stmtEnvCollector",
 		nil, /* txn */
-		sessiondata.InternalExecutorOverride{SessionData: c.sessionDataOverride},
+		sessiondata.InternalExecutorOverride{},
 		query,
 	)
 	if err != nil {
@@ -550,7 +548,7 @@ func (c *stmtEnvCollector) PrintClusterSettings(w io.Writer) error {
 		c.ctx,
 		"stmtEnvCollector",
 		nil, /* txn */
-		sessiondata.InternalExecutorOverride{SessionData: c.sessionDataOverride},
+		sessiondata.InternalExecutorOverride{},
 		"SELECT variable, value, description FROM [ SHOW ALL CLUSTER SETTINGS ]",
 	)
 	if err != nil {
diff --git a/pkg/sql/faketreeeval/BUILD.bazel b/pkg/sql/faketreeeval/BUILD.bazel
index 01e11885b123..223aad0a25c4 100644
--- a/pkg/sql/faketreeeval/BUILD.bazel
+++ b/pkg/sql/faketreeeval/BUILD.bazel
@@ -6,6 +6,7 @@ go_library(
     importpath = "github.com/cockroachdb/cockroach/pkg/sql/faketreeeval",
     visibility = ["//visibility:public"],
     deps = [
+        "//pkg/kv",
         "//pkg/security",
         "//pkg/sql/parser",
         "//pkg/sql/pgwire/pgcode",
diff --git a/pkg/sql/faketreeeval/evalctx.go b/pkg/sql/faketreeeval/evalctx.go
index e5173b5d7bb4..772c21e69e5f 100644
--- a/pkg/sql/faketreeeval/evalctx.go
+++ b/pkg/sql/faketreeeval/evalctx.go
@@ -334,7 +334,7 @@ func (ep *DummyEvalPlanner) QueryRowEx(
 	ctx context.Context,
 	opName string,
 	txn *kv.Txn,
-	session sessiondata.InternalExecutorOverride,
+	session *sessiondata.SessionData,
 	stmt string,
 	qargs ...interface{},
 ) (tree.Datums, error) {
@@ -346,7 +346,7 @@ func (ep *DummyEvalPlanner) QueryIteratorEx(
 	ctx context.Context,
 	opName string,
 	txn *kv.Txn,
-	session sessiondata.InternalExecutorOverride,
+	session *sessiondata.SessionData,
 	stmt string,
 	qargs ...interface{},
 ) (tree.InternalRows, error) {
diff --git a/pkg/sql/internal.go b/pkg/sql/internal.go
index 60d72614d364..50036113a58b 100644
--- a/pkg/sql/internal.go
+++ b/pkg/sql/internal.go
@@ -71,6 +71,8 @@ type InternalExecutor struct {
 	//
 	// Warning: Not safe for concurrent use from multiple goroutines.
 	syntheticDescriptors []catalog.Descriptor
+
+	extraTxnState ExtraTxnState
 }
 
 // WithSyntheticDescriptors sets the synthetic descriptors before running the
@@ -125,6 +127,10 @@ func (ie *InternalExecutor) SetSessionData(sessionData *sessiondata.SessionData)
 	ie.sessionDataStack = sessiondata.NewStack(sessionData)
 }
 
+func (ie *InternalExecutor) SetExtraTxnState(extraTxnState ExtraTxnState) {
+	ie.extraTxnState = extraTxnState
+}
+
 // initConnEx creates a connExecutor and runs it on a separate goroutine. It
 // takes in a StmtBuf into which commands can be pushed and a WaitGroup that
 // will be signaled when connEx.run() returns.
@@ -143,6 +149,7 @@ func (ie *InternalExecutor) initConnEx(
 	sd *sessiondata.SessionData,
 	stmtBuf *StmtBuf,
 	wg *sync.WaitGroup,
+	extraTxnState ExtraTxnState,
 	syncCallback func([]resWithPos),
 	errCallback func(error),
 ) {
@@ -182,6 +189,7 @@ func (ie *InternalExecutor) initConnEx(
 			ie.memMetrics,
 			&ie.s.InternalMetrics,
 			applicationStats,
+			extraTxnState,
 		)
 	} else {
 		ex = ie.s.newConnExecutorWithTxn(
@@ -195,6 +203,7 @@ func (ie *InternalExecutor) initConnEx(
 			txn,
 			ie.syntheticDescriptors,
 			applicationStats,
+			extraTxnState,
 		)
 	}
 
@@ -570,9 +579,6 @@ func (ie *InternalExecutor) QueryIteratorEx(
 
 // applyOverrides overrides the respective fields from sd for all the fields set on o.
 func applyOverrides(o sessiondata.InternalExecutorOverride, sd *sessiondata.SessionData) {
-	if o.SessionData != nil {
-		*sd = *o.SessionData
-	}
 	if !o.User.Undefined() {
 		sd.UserProto = o.User.EncodeProto()
 	}
@@ -588,7 +594,6 @@ func applyOverrides(o sessiondata.InternalExecutorOverride, sd *sessiondata.Sess
 	if o.DatabaseIDToTempSchemaID != nil {
 		sd.DatabaseIDToTempSchemaID = o.DatabaseIDToTempSchemaID
 	}
-	sd.StubCatalogTablesEnabled = o.StubCatalogTables
 }
 
 func (ie *InternalExecutor) maybeRootSessionDataOverride(
@@ -732,7 +737,7 @@ func (ie *InternalExecutor) execInternal(
 		stmtBuf.Close()
 		_ = rw.addResult(ctx, ieIteratorResult{err: err})
 	}
-	ie.initConnEx(ctx, txn, rw, sd, stmtBuf, &wg, syncCallback, errCallback)
+	ie.initConnEx(ctx, txn, rw, sd, stmtBuf, &wg, ie.extraTxnState, syncCallback, errCallback)
 
 	typeHints := make(tree.PlaceholderTypes, len(datums))
 	for i, d := range datums {
diff --git a/pkg/sql/opt_exec_factory.go b/pkg/sql/opt_exec_factory.go
index c0f3e9b9c025..0485050209b1 100644
--- a/pkg/sql/opt_exec_factory.go
+++ b/pkg/sql/opt_exec_factory.go
@@ -1153,11 +1153,12 @@ func (e *urlOutputter) finish() (url.URL, error) {
 func (ef *execFactory) showEnv(plan string, envOpts exec.ExplainEnvData) (exec.Node, error) {
 	var out urlOutputter
 
-	c := makeStmtEnvCollector(
+	ie := ef.planner.extendedEvalCtx.ExecCfg.InternalExecutorFactory(
 		ef.planner.EvalContext().Context,
-		ef.planner.extendedEvalCtx.ExecCfg.InternalExecutor,
 		ef.planner.SessionData(),
+		ExtraTxnState{ef.planner.Descriptors()},
 	)
+	c := makeStmtEnvCollector(ef.planner.EvalContext().Context, &ie)
 
 	// Show the version of Cockroach running.
 	if err := c.PrintVersion(&out.buf); err != nil {
diff --git a/pkg/sql/planner.go b/pkg/sql/planner.go
index 67eb9cb31a1f..20921bc76129 100644
--- a/pkg/sql/planner.go
+++ b/pkg/sql/planner.go
@@ -825,21 +825,23 @@ func (p *planner) QueryRowEx(
 	ctx context.Context,
 	opName string,
 	txn *kv.Txn,
-	session sessiondata.InternalExecutorOverride,
+	session *sessiondata.SessionData,
 	stmt string,
 	qargs ...interface{},
 ) (tree.Datums, error) {
-	return p.ExecCfg().InternalExecutor.QueryRowEx(ctx, opName, txn, session, stmt, qargs...)
+	ie := p.ExecCfg().InternalExecutorFactory(ctx, session, ExtraTxnState{descs: p.Descriptors()})
+	return ie.QueryRowEx(ctx, opName, txn, sessiondata.InternalExecutorOverride{}, stmt, qargs...)
 }
 
 func (p *planner) QueryIteratorEx(
 	ctx context.Context,
 	opName string,
 	txn *kv.Txn,
-	session sessiondata.InternalExecutorOverride,
+	session *sessiondata.SessionData,
 	stmt string,
 	qargs ...interface{},
 ) (tree.InternalRows, error) {
-	rows, err := p.ExecCfg().InternalExecutor.QueryIteratorEx(ctx, opName, txn, session, stmt, qargs...)
+	ie := p.ExecCfg().InternalExecutorFactory(ctx, session, ExtraTxnState{descs: p.Descriptors()})
+	rows, err := ie.QueryIteratorEx(ctx, opName, txn, sessiondata.InternalExecutorOverride{}, stmt, qargs...)
 	return rows.(tree.InternalRows), err
 }
diff --git a/pkg/sql/row/BUILD.bazel b/pkg/sql/row/BUILD.bazel
index 6a8836d6309a..a1ef66284c3f 100644
--- a/pkg/sql/row/BUILD.bazel
+++ b/pkg/sql/row/BUILD.bazel
@@ -97,7 +97,6 @@ go_test(
         "//pkg/sql/rowenc",
         "//pkg/sql/rowinfra",
         "//pkg/sql/sem/tree",
-        "//pkg/sql/sqlutil",
         "//pkg/storage",
         "//pkg/testutils",
         "//pkg/testutils/serverutils",
diff --git a/pkg/sql/sem/builtins/BUILD.bazel b/pkg/sql/sem/builtins/BUILD.bazel
index 978eb9e002b8..cd7685c2fcee 100644
--- a/pkg/sql/sem/builtins/BUILD.bazel
+++ b/pkg/sql/sem/builtins/BUILD.bazel
@@ -61,7 +61,6 @@ go_library(
         "//pkg/sql/sqlerrors",
         "//pkg/sql/sqlliveness",
         "//pkg/sql/sqltelemetry",
-        "//pkg/sql/sqlutil",
         "//pkg/sql/types",
         "//pkg/streaming",
         "//pkg/util",
diff --git a/pkg/sql/sem/builtins/generator_builtins.go b/pkg/sql/sem/builtins/generator_builtins.go
index 55a3d47c5b36..f72f5c562fb6 100644
--- a/pkg/sql/sem/builtins/generator_builtins.go
+++ b/pkg/sql/sem/builtins/generator_builtins.go
@@ -20,7 +20,6 @@ import (
 	"github.com/cockroachdb/cockroach/pkg/kv"
 	"github.com/cockroachdb/cockroach/pkg/kv/kvclient"
 	"github.com/cockroachdb/cockroach/pkg/roachpb"
-	"github.com/cockroachdb/cockroach/pkg/security"
 	"github.com/cockroachdb/cockroach/pkg/sql/lexbase"
 	"github.com/cockroachdb/cockroach/pkg/sql/pgwire/pgcode"
 	"github.com/cockroachdb/cockroach/pkg/sql/pgwire/pgerror"
@@ -1837,9 +1836,8 @@ func makePayloadsForTraceGenerator(
 		ctx.Ctx(),
 		"crdb_internal.payloads_for_trace",
 		ctx.Txn,
-		sessiondata.InternalExecutorOverride{
-			User: security.RootUserName(),
-		}, query,
+		ctx.SessionData(),
+		query,
 		traceID,
 	)
 	if err != nil {
@@ -1898,7 +1896,7 @@ type showCreateAllTablesGenerator struct {
 	ids         []int64
 	dbName      string
 	acc         mon.BoundAccount
-	user        security.SQLUsername
+	sessionData *sessiondata.SessionData
 
 	// The following variables are updated during
 	// calls to Next() and change throughout the lifecycle of
@@ -1930,7 +1928,7 @@ func (s *showCreateAllTablesGenerator) Start(ctx context.Context, txn *kv.Txn) e
 	// We also account for the memory in the BoundAccount memory monitor in
 	// showCreateAllTablesGenerator.
 	ids, err := getTopologicallySortedTableIDs(
-		ctx, s.evalPlanner, txn, s.dbName, s.user, &s.acc,
+		ctx, s.evalPlanner, txn, s.dbName, s.sessionData, &s.acc,
 	)
 	if err != nil {
 		return err
@@ -1956,7 +1954,7 @@ func (s *showCreateAllTablesGenerator) Next(ctx context.Context) (bool, error) {
 		}
 
 		createStmt, err := getCreateStatement(
-			ctx, s.evalPlanner, s.txn, s.ids[s.idx], s.dbName, s.user,
+			ctx, s.evalPlanner, s.txn, s.ids[s.idx], s.dbName, s.sessionData,
 		)
 		if err != nil {
 			return false, err
@@ -2002,7 +2000,7 @@ func (s *showCreateAllTablesGenerator) Next(ctx context.Context) (bool, error) {
 			statementReturnType = alterValidateFKStatements
 		}
 		alterStmt, err := getAlterStatements(
-			ctx, s.evalPlanner, s.txn, s.ids[s.idx], s.dbName, s.user, statementReturnType,
+			ctx, s.evalPlanner, s.txn, s.ids[s.idx], s.dbName, s.sessionData, statementReturnType,
 		)
 		if err != nil {
 			return false, err
@@ -2043,6 +2041,6 @@ func makeShowCreateAllTablesGenerator(
 		evalPlanner: ctx.Planner,
 		dbName:      dbName,
 		acc:         ctx.Mon.MakeBoundAccount(),
-		user:        ctx.SessionData().User(),
+		sessionData: ctx.SessionData(),
 	}, nil
 }
diff --git a/pkg/sql/sem/builtins/pg_builtins.go b/pkg/sql/sem/builtins/pg_builtins.go
index cfd07c61493d..cf3be7adca69 100644
--- a/pkg/sql/sem/builtins/pg_builtins.go
+++ b/pkg/sql/sem/builtins/pg_builtins.go
@@ -26,7 +26,6 @@ import (
 	"github.com/cockroachdb/cockroach/pkg/sql/privilege"
 	"github.com/cockroachdb/cockroach/pkg/sql/rowenc"
 	"github.com/cockroachdb/cockroach/pkg/sql/sem/tree"
-	"github.com/cockroachdb/cockroach/pkg/sql/sessiondata"
 	"github.com/cockroachdb/cockroach/pkg/sql/sqlerrors"
 	"github.com/cockroachdb/cockroach/pkg/sql/types"
 	"github.com/cockroachdb/cockroach/pkg/util/encoding"
@@ -229,10 +228,7 @@ func makePGGetIndexDef(argTypes tree.ArgTypes) tree.Overload {
 			r, err := ctx.Planner.QueryRowEx(
 				ctx.Ctx(), "pg_get_indexdef",
 				ctx.Txn,
-				sessiondata.InternalExecutorOverride{
-					User:     security.RootUserName(),
-					Database: ctx.SessionData().Database,
-				},
+				ctx.SessionData(),
 				"SELECT indexdef FROM pg_catalog.pg_indexes WHERE crdb_oid = $1", args[0])
 			if err != nil {
 				return nil, err
@@ -249,10 +245,7 @@ func makePGGetIndexDef(argTypes tree.ArgTypes) tree.Overload {
 			r, err = ctx.Planner.QueryRowEx(
 				ctx.Ctx(), "pg_get_indexdef",
 				ctx.Txn,
-				sessiondata.InternalExecutorOverride{
-					User:     security.RootUserName(),
-					Database: ctx.SessionData().Database,
-				},
+				ctx.SessionData(),
 				`SELECT ischema.column_name as pg_get_indexdef 
 		               FROM information_schema.statistics AS ischema 
 											INNER JOIN pg_catalog.pg_indexes AS pgindex 
@@ -287,10 +280,7 @@ func makePGGetViewDef(argTypes tree.ArgTypes) tree.Overload {
 			r, err := ctx.Planner.QueryRowEx(
 				ctx.Ctx(), "pg_get_viewdef",
 				ctx.Txn,
-				sessiondata.InternalExecutorOverride{
-					User:     security.RootUserName(),
-					Database: ctx.SessionData().Database,
-				},
+				ctx.SessionData(),
 				"SELECT definition FROM pg_catalog.pg_views v JOIN pg_catalog.pg_class c ON "+
 					"c.relname=v.viewname WHERE oid=$1", args[0])
 			if err != nil {
@@ -315,10 +305,7 @@ func makePGGetConstraintDef(argTypes tree.ArgTypes) tree.Overload {
 			r, err := ctx.Planner.QueryRowEx(
 				ctx.Ctx(), "pg_get_constraintdef",
 				ctx.Txn,
-				sessiondata.InternalExecutorOverride{
-					User:     security.RootUserName(),
-					Database: ctx.SessionData().Database,
-				},
+				ctx.SessionData(),
 				"SELECT condef FROM pg_catalog.pg_constraint WHERE oid=$1", args[0])
 			if err != nil {
 				return nil, err
@@ -457,11 +444,7 @@ func getNameForArg(ctx *tree.EvalContext, arg tree.Datum, pgTable, pgCol string)
 		return "", errors.AssertionFailedf("unexpected arg type %T", t)
 	}
 	r, err := ctx.Planner.QueryRowEx(ctx.Ctx(), "get-name-for-arg",
-		ctx.Txn, sessiondata.InternalExecutorOverride{
-			User:              security.RootUserName(),
-			Database:          ctx.SessionData().Database,
-			StubCatalogTables: ctx.SessionData().StubCatalogTablesEnabled,
-		}, query, arg)
+		ctx.Txn, ctx.SessionData(), query, arg)
 	if err != nil || r == nil {
 		return "", err
 	}
@@ -491,10 +474,7 @@ func getTableNameForArg(ctx *tree.EvalContext, arg tree.Datum) (*tree.TableName,
 	case *tree.DOid:
 		r, err := ctx.Planner.QueryRowEx(ctx.Ctx(), "get-table-name-for-arg",
 			ctx.Txn,
-			sessiondata.InternalExecutorOverride{
-				User:     security.RootUserName(),
-				Database: ctx.SessionData().Database,
-			},
+			ctx.SessionData(),
 			`SELECT n.nspname, c.relname FROM pg_class c
 			JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace
 			WHERE c.oid = $1`, t)
@@ -664,10 +644,7 @@ func evalPrivilegeCheck(
 		privilege.ALL, priv, schema, infoTable, pred)
 	r, err := ctx.Planner.QueryRowEx(
 		ctx.Ctx(), "eval-privilege-check", ctx.Txn,
-		sessiondata.InternalExecutorOverride{
-			User:     security.RootUserName(),
-			Database: ctx.SessionData().Database,
-		},
+		ctx.SessionData(),
 		query, allRoles,
 	)
 	if err != nil {
@@ -816,10 +793,7 @@ var pgBuiltins = map[string]builtinDefinition{
 				t, err := ctx.Planner.QueryRowEx(
 					ctx.Ctx(), "pg_get_function_result",
 					ctx.Txn,
-					sessiondata.InternalExecutorOverride{
-						User:     security.RootUserName(),
-						Database: ctx.SessionData().Database,
-					},
+					ctx.SessionData(),
 					`SELECT prorettype::REGTYPE::TEXT FROM pg_proc WHERE oid=$1`, int(funcOid.DInt))
 				if err != nil {
 					return nil, err
@@ -847,10 +821,8 @@ var pgBuiltins = map[string]builtinDefinition{
 				t, err := ctx.Planner.QueryRowEx(
 					ctx.Ctx(), "pg_get_function_identity_arguments",
 					ctx.Txn,
-					sessiondata.InternalExecutorOverride{
-						User:     security.RootUserName(),
-						Database: ctx.SessionData().Database,
-					}, `SELECT array_agg(unnest(proargtypes)::REGTYPE::TEXT) FROM pg_proc WHERE oid=$1`, int(funcOid.DInt))
+					ctx.SessionData(),
+					`SELECT array_agg(unnest(proargtypes)::REGTYPE::TEXT) FROM pg_proc WHERE oid=$1`, int(funcOid.DInt))
 				if err != nil {
 					return nil, err
 				}
@@ -1040,10 +1012,8 @@ var pgBuiltins = map[string]builtinDefinition{
 				t, err := ctx.Planner.QueryRowEx(
 					ctx.Ctx(), "pg_get_userbyid",
 					ctx.Txn,
-					sessiondata.InternalExecutorOverride{
-						User:     security.RootUserName(),
-						Database: ctx.SessionData().Database,
-					}, "SELECT rolname FROM pg_catalog.pg_roles WHERE oid=$1", oid)
+					ctx.SessionData(),
+					"SELECT rolname FROM pg_catalog.pg_roles WHERE oid=$1", oid)
 				if err != nil {
 					return nil, err
 				}
@@ -1071,10 +1041,8 @@ var pgBuiltins = map[string]builtinDefinition{
 				r, err := ctx.Planner.QueryRowEx(
 					ctx.Ctx(), "pg_sequence_parameters",
 					ctx.Txn,
-					sessiondata.InternalExecutorOverride{
-						User:     security.RootUserName(),
-						Database: ctx.SessionData().Database,
-					}, `SELECT seqstart, seqmin, seqmax, seqincrement, seqcycle, seqcache, seqtypid `+
+					ctx.SessionData(),
+					`SELECT seqstart, seqmin, seqmax, seqincrement, seqcycle, seqcache, seqtypid `+
 						`FROM pg_catalog.pg_sequence WHERE seqrelid=$1`, args[0])
 				if err != nil {
 					return nil, err
@@ -1159,12 +1127,8 @@ var pgBuiltins = map[string]builtinDefinition{
 				// on pg_description and let predicate push-down do its job.
 				r, err := ctx.Planner.QueryRowEx(
 					ctx.Ctx(), "pg_get_coldesc",
-
 					ctx.Txn,
-					sessiondata.InternalExecutorOverride{
-						User:     security.RootUserName(),
-						Database: ctx.SessionData().Database,
-					},
+					ctx.SessionData(),
 					`
 SELECT COALESCE(c.comment, pc.comment) FROM system.comments c
 FULL OUTER JOIN crdb_internal.predefined_comments pc
@@ -1236,10 +1200,8 @@ WHERE c.type=$1::int AND c.object_id=$2::int AND c.sub_id=$3::int LIMIT 1
 
 				r, err := ctx.Planner.QueryRowEx(
 					ctx.Ctx(), "pg_get_shobjdesc", ctx.Txn,
-					sessiondata.InternalExecutorOverride{
-						User:     security.RootUserName(),
-						Database: ctx.SessionData().Database,
-					}, fmt.Sprintf(`
+					ctx.SessionData(),
+					fmt.Sprintf(`
 SELECT description
   FROM pg_catalog.pg_shdescription
  WHERE objoid = %[1]d
@@ -1313,10 +1275,7 @@ SELECT description
 				t, err := ctx.Planner.QueryRowEx(
 					ctx.Ctx(), "pg_function_is_visible",
 					ctx.Txn,
-					sessiondata.InternalExecutorOverride{
-						User:     security.RootUserName(),
-						Database: ctx.SessionData().Database,
-					},
+					ctx.SessionData(),
 					"SELECT * from pg_proc WHERE oid=$1 LIMIT 1", int(oid.DInt))
 				if err != nil {
 					return nil, err
@@ -1827,10 +1786,7 @@ SELECT description
 				if r, err := ctx.Planner.QueryRowEx(
 					ctx.Ctx(), "has-sequence-privilege",
 					ctx.Txn,
-					sessiondata.InternalExecutorOverride{
-						User:     security.RootUserName(),
-						Database: ctx.SessionData().Database,
-					},
+					ctx.SessionData(),
 					`SELECT sequence_name FROM information_schema.sequences `+
 						`WHERE sequence_catalog = $1 AND sequence_schema = $2 AND sequence_name = $3`,
 					tn.CatalogName, tn.SchemaName, tn.ObjectName); err != nil {
@@ -2311,10 +2267,7 @@ SELECT description
 				r, err := ctx.Planner.QueryRowEx(
 					ctx.Ctx(), "information_schema._pg_index_position",
 					ctx.Txn,
-					sessiondata.InternalExecutorOverride{
-						User:     security.RootUserName(),
-						Database: ctx.SessionData().Database,
-					},
+					ctx.SessionData(),
 					`SELECT (ss.a).n FROM
 					  (SELECT information_schema._pg_expandarray(indkey) AS a
 					   FROM pg_catalog.pg_index WHERE indexrelid = $1) ss
@@ -2479,10 +2432,7 @@ func getPgObjDesc(ctx *tree.EvalContext, catalogName string, oid int) (tree.Datu
 	}
 	r, err := ctx.Planner.QueryRowEx(
 		ctx.Ctx(), "pg_get_objdesc", ctx.Txn,
-		sessiondata.InternalExecutorOverride{
-			User:     security.RootUserName(),
-			Database: ctx.SessionData().Database,
-		},
+		ctx.SessionData(),
 		fmt.Sprintf(`
 SELECT description
   FROM pg_catalog.pg_description
diff --git a/pkg/sql/sem/builtins/show_create_all_tables_builtin.go b/pkg/sql/sem/builtins/show_create_all_tables_builtin.go
index 815fc06fb911..5bbc68cc9619 100644
--- a/pkg/sql/sem/builtins/show_create_all_tables_builtin.go
+++ b/pkg/sql/sem/builtins/show_create_all_tables_builtin.go
@@ -17,7 +17,6 @@ import (
 	"unsafe"
 
 	"github.com/cockroachdb/cockroach/pkg/kv"
-	"github.com/cockroachdb/cockroach/pkg/security"
 	"github.com/cockroachdb/cockroach/pkg/sql/memsize"
 	"github.com/cockroachdb/cockroach/pkg/sql/sem/tree"
 	"github.com/cockroachdb/cockroach/pkg/sql/sessiondata"
@@ -53,10 +52,10 @@ func getTopologicallySortedTableIDs(
 	evalPlanner tree.EvalPlanner,
 	txn *kv.Txn,
 	dbName string,
-	user security.SQLUsername,
+	sessionData *sessiondata.SessionData,
 	acc *mon.BoundAccount,
 ) ([]int64, error) {
-	ids, err := getTableIDs(ctx, evalPlanner, txn, dbName, user, acc)
+	ids, err := getTableIDs(ctx, evalPlanner, txn, dbName, sessionData, acc)
 	if err != nil {
 		return nil, err
 	}
@@ -80,10 +79,8 @@ func getTopologicallySortedTableIDs(
 			ctx,
 			"crdb_internal.show_create_all_tables",
 			txn,
-			sessiondata.InternalExecutorOverride{
-				User:     user,
-				Database: dbName,
-			}, query,
+			sessionData,
+			query,
 			tid,
 		)
 		if err != nil {
@@ -160,7 +157,7 @@ func getTableIDs(
 	evalPlanner tree.EvalPlanner,
 	txn *kv.Txn,
 	dbName string,
-	user security.SQLUsername,
+	sessionData *sessiondata.SessionData,
 	acc *mon.BoundAccount,
 ) ([]int64, error) {
 	query := fmt.Sprintf(`
@@ -174,10 +171,7 @@ func getTableIDs(
 		ctx,
 		"crdb_internal.show_create_all_tables",
 		txn,
-		sessiondata.InternalExecutorOverride{
-			User:     user,
-			Database: dbName,
-		},
+		sessionData,
 		query,
 		dbName,
 	)
@@ -254,7 +248,7 @@ func getCreateStatement(
 	txn *kv.Txn,
 	id int64,
 	dbName string,
-	user security.SQLUsername,
+	sessionData *sessiondata.SessionData,
 ) (tree.Datum, error) {
 	query := fmt.Sprintf(`
 		SELECT
@@ -266,10 +260,7 @@ func getCreateStatement(
 		ctx,
 		"crdb_internal.show_create_all_tables",
 		txn,
-		sessiondata.InternalExecutorOverride{
-			User:     user,
-			Database: dbName,
-		},
+		sessionData,
 		query,
 		id,
 	)
@@ -288,7 +279,7 @@ func getAlterStatements(
 	txn *kv.Txn,
 	id int64,
 	dbName string,
-	user security.SQLUsername,
+	sessionData *sessiondata.SessionData,
 	statementType string,
 ) (tree.Datum, error) {
 	query := fmt.Sprintf(`
@@ -301,10 +292,7 @@ func getAlterStatements(
 		ctx,
 		"crdb_internal.show_create_all_tables",
 		txn,
-		sessiondata.InternalExecutorOverride{
-			User:     user,
-			Database: dbName,
-		},
+		sessionData,
 		query,
 		id,
 	)
diff --git a/pkg/sql/sem/tree/eval.go b/pkg/sql/sem/tree/eval.go
index 74b12ab1e8d4..af3366eba06e 100644
--- a/pkg/sql/sem/tree/eval.go
+++ b/pkg/sql/sem/tree/eval.go
@@ -3229,7 +3229,7 @@ type EvalPlanner interface {
 		ctx context.Context,
 		opName string,
 		txn *kv.Txn,
-		session sessiondata.InternalExecutorOverride,
+		session *sessiondata.SessionData,
 		stmt string,
 		qargs ...interface{}) (Datums, error)
 
@@ -3237,7 +3237,7 @@ type EvalPlanner interface {
 		ctx context.Context,
 		opName string,
 		txn *kv.Txn,
-		session sessiondata.InternalExecutorOverride,
+		session *sessiondata.SessionData,
 		stmt string,
 		qargs ...interface{},
 	) (InternalRows, error)
diff --git a/pkg/sql/sessiondata/internal.go b/pkg/sql/sessiondata/internal.go
index b1f785e8f111..e198b1805036 100644
--- a/pkg/sql/sessiondata/internal.go
+++ b/pkg/sql/sessiondata/internal.go
@@ -26,11 +26,6 @@ type InternalExecutorOverride struct {
 	// DatabaseIDToTempSchemaID represents the mapping for temp schemas used which
 	// allows temporary schema resolution by ID.
 	DatabaseIDToTempSchemaID map[uint32]uint32
-	// StubCatalogTables overrides the StubCatalogTables session variable on
-	// the InternalExecutor.
-	StubCatalogTables bool
-	// SessionData overrides all of the InternalExecutor's SessionData.
-	SessionData *SessionData
 }
 
 // NodeUserSessionDataOverride is an InternalExecutorOverride which overrides