importer,crosscluster: move type resolver to a different package

Since we're using this type resolver for more than just IMPORT, it makes
more sense to put it in a more fitting package.

Release note: None

pkg/ccl/crosscluster/BUILD.bazel

@@ -4,6 +4,7 @@ go_library(
     name = "crosscluster",
     srcs = [
         "addresses.go",
+        "crosscluster_type_resolver.go",
         "errors.go",
         "event.go",
         "settings.go",
@@ -15,5 +16,15 @@ go_library(
         "//pkg/repstream/streampb",
         "//pkg/roachpb",
         "//pkg/settings",
+        "//pkg/sql/catalog",
+        "//pkg/sql/catalog/descpb",
+        "//pkg/sql/catalog/typedesc",
+        "//pkg/sql/pgwire/pgcode",
+        "//pkg/sql/pgwire/pgerror",
+        "//pkg/sql/sem/tree",
+        "//pkg/sql/sqlerrors",
+        "//pkg/sql/types",
+        "@com_github_cockroachdb_errors//:errors",
+        "@com_github_lib_pq//oid",
     ],
 )

pkg/sql/importer/import_type_resolver.go → pkg/ccl/crosscluster/crosscluster_type_resolver.go

@@ -1,9 +1,9 @@
-// Copyright 2017 The Cockroach Authors.
+// Copyright 2024 The Cockroach Authors.
 //
 // Use of this software is governed by the CockroachDB Software License
 // included in the /LICENSE file.
 
-package importer
+package crosscluster
 
 import (
 	"context"
@@ -20,16 +20,18 @@ import (
 	"github.com/lib/pq/oid"
 )
 
-type ImportTypeResolver struct {
+// CrossClusterTypeResolver is meant to be used to resolve types using type
+// descriptors that originate from a different cluster.
+type CrossClusterTypeResolver struct {
 	typeIDToDesc   map[descpb.ID]*descpb.TypeDescriptor
 	typeNameToDesc map[string][]*descpb.TypeDescriptor
 }
 
-var _ tree.TypeReferenceResolver = ImportTypeResolver{}
-var _ catalog.TypeDescriptorResolver = ImportTypeResolver{}
+var _ tree.TypeReferenceResolver = CrossClusterTypeResolver{}
+var _ catalog.TypeDescriptorResolver = CrossClusterTypeResolver{}
 
-func MakeImportTypeResolver(typeDescs []*descpb.TypeDescriptor) ImportTypeResolver {
-	itr := ImportTypeResolver{
+func MakeCrossClusterTypeResolver(typeDescs []*descpb.TypeDescriptor) CrossClusterTypeResolver {
+	itr := CrossClusterTypeResolver{
 		typeIDToDesc:   make(map[descpb.ID]*descpb.TypeDescriptor),
 		typeNameToDesc: make(map[string][]*descpb.TypeDescriptor),
 	}
@@ -52,7 +54,7 @@ func MakeImportTypeResolver(typeDescs []*descpb.TypeDescriptor) ImportTypeResolv
 // Note that if a table happens to have multiple types with the same name (but
 // different schemas), this implementation will return a "feature unsupported"
 // error.
-func (i ImportTypeResolver) ResolveType(
+func (i CrossClusterTypeResolver) ResolveType(
 	ctx context.Context, name *tree.UnresolvedObjectName,
 ) (*types.T, error) {
 	var descs []*descpb.TypeDescriptor
@@ -75,12 +77,14 @@ func (i ImportTypeResolver) ResolveType(
 }
 
 // ResolveTypeByOID implements the tree.TypeReferenceResolver interface.
-func (i ImportTypeResolver) ResolveTypeByOID(ctx context.Context, oid oid.Oid) (*types.T, error) {
+func (i CrossClusterTypeResolver) ResolveTypeByOID(
+	ctx context.Context, oid oid.Oid,
+) (*types.T, error) {
 	return typedesc.ResolveHydratedTByOID(ctx, oid, i)
 }
 
 // GetTypeDescriptor implements the catalog.TypeDescriptorResolver interface.
-func (i ImportTypeResolver) GetTypeDescriptor(
+func (i CrossClusterTypeResolver) GetTypeDescriptor(
 	_ context.Context, id descpb.ID,
 ) (tree.TypeName, catalog.TypeDescriptor, error) {
 	var desc *descpb.TypeDescriptor

pkg/ccl/crosscluster/logical/BUILD.bazel

@@ -50,7 +50,6 @@ go_library(
         "//pkg/sql/execinfra",
         "//pkg/sql/execinfrapb",
         "//pkg/sql/exprutil",
-        "//pkg/sql/importer",
         "//pkg/sql/isql",
         "//pkg/sql/lexbase",
         "//pkg/sql/parser",
@@ -74,7 +73,6 @@ go_library(
         "//pkg/util/admission/admissionpb",
         "//pkg/util/buildutil",
         "//pkg/util/ctxgroup",
-        "//pkg/util/errorutil/unimplemented",
         "//pkg/util/hlc",
         "//pkg/util/log",
         "//pkg/util/log/logcrash",

pkg/ccl/crosscluster/logical/create_logical_replication_stmt.go

@@ -26,7 +26,6 @@ import (
 	"github.com/cockroachdb/cockroach/pkg/sql/catalog/tabledesc"
 	"github.com/cockroachdb/cockroach/pkg/sql/catalog/typedesc"
 	"github.com/cockroachdb/cockroach/pkg/sql/exprutil"
-	"github.com/cockroachdb/cockroach/pkg/sql/importer"
 	"github.com/cockroachdb/cockroach/pkg/sql/parser"
 	"github.com/cockroachdb/cockroach/pkg/sql/pgwire/pgcode"
 	"github.com/cockroachdb/cockroach/pkg/sql/pgwire/pgerror"
@@ -211,16 +210,9 @@ func createLogicalReplicationStreamPlanHook(
 
 		sourceTypes := make([]*descpb.TypeDescriptor, len(spec.TypeDescriptors))
 		for i, desc := range spec.TypeDescriptors {
-			// Until https://github.com/cockroachdb/cockroach/issues/132164 is resolved,
-			// we cannot allow user-defined types on the SQL ingestion path.
-			if m, ok := options.GetMode(); ok && m != "immediate" {
-				return unimplemented.NewWithIssue(132164, "MODE = 'immediate' cannot be used with user-defined types")
-			}
 			sourceTypes[i] = &desc
 		}
-		// TODO(rafi): do we need a different type resolver?
-		// See https://github.com/cockroachdb/cockroach/issues/132164.
-		importResolver := importer.MakeImportTypeResolver(sourceTypes)
+		crossClusterResolver := crosscluster.MakeCrossClusterTypeResolver(sourceTypes)
 
 		// If the user asked to ignore "ttl-deletes", make sure that at least one of
 		// the source tables actually has a TTL job which sets the omit bit that
@@ -230,7 +222,7 @@ func createLogicalReplicationStreamPlanHook(
 		for i, name := range srcTableNames {
 			td := spec.TableDescriptors[name]
 			cpy := tabledesc.NewBuilder(&td).BuildCreatedMutableTable()
-			if err := typedesc.HydrateTypesInDescriptor(ctx, cpy, importResolver); err != nil {
+			if err := typedesc.HydrateTypesInDescriptor(ctx, cpy, crossClusterResolver); err != nil {
 				return err
 			}
 			srcTableDescs[i] = cpy.TableDesc()

pkg/ccl/crosscluster/logical/logical_replication_job.go

@@ -29,7 +29,6 @@ import (
 	"github.com/cockroachdb/cockroach/pkg/sql/catalog/tabledesc"
 	"github.com/cockroachdb/cockroach/pkg/sql/catalog/typedesc"
 	"github.com/cockroachdb/cockroach/pkg/sql/execinfrapb"
-	"github.com/cockroachdb/cockroach/pkg/sql/importer"
 	"github.com/cockroachdb/cockroach/pkg/sql/isql"
 	"github.com/cockroachdb/cockroach/pkg/sql/physicalplan"
 	"github.com/cockroachdb/cockroach/pkg/sql/sem/catid"
@@ -359,15 +358,13 @@ func (p *logicalReplicationPlanner) generatePlanImpl(
 		defaultFnOID = catid.FuncIDToOID(catid.DescID(defaultFnID))
 	}
 
-	// TODO(msbutler): is this import type resolver kosher? Should put in a new package.
-	// See https://github.com/cockroachdb/cockroach/issues/132164.
-	importResolver := importer.MakeImportTypeResolver(plan.SourceTypes)
+	crossClusterResolver := crosscluster.MakeCrossClusterTypeResolver(plan.SourceTypes)
 	tableMetadataByDestID := make(map[int32]execinfrapb.TableReplicationMetadata)
 	if err := sql.DescsTxn(ctx, execCfg, func(ctx context.Context, txn isql.Txn, descriptors *descs.Collection) error {
 		for _, pair := range payload.ReplicationPairs {
 			srcTableDesc := plan.DescriptorMap[pair.SrcDescriptorID]
 			cpy := tabledesc.NewBuilder(&srcTableDesc).BuildCreatedMutableTable()
-			if err := typedesc.HydrateTypesInDescriptor(ctx, cpy, importResolver); err != nil {
+			if err := typedesc.HydrateTypesInDescriptor(ctx, cpy, crossClusterResolver); err != nil {
 				return err
 			}
 			srcTableDesc = *cpy.TableDesc()

pkg/ccl/crosscluster/logical/lww_row_processor.go

@@ -92,6 +92,9 @@ func (q *queryBuilder) AddRow(row cdcevent.Row) error {
 	}
 	if err := it.Datum(func(d tree.Datum, col cdcevent.ResultColumn) error {
 		if dEnum, ok := d.(*tree.DEnum); ok {
+			// Override the type to Unknown to avoid a mismatched type OID error
+			// during execution. Note that Unknown is the type used by default
+			// when a SQL statement is executed without type hints.
 			dEnum.EnumTyp = types.Unknown
 		}
 		q.scratchDatums = append(q.scratchDatums, d)
@@ -121,6 +124,9 @@ func (q *queryBuilder) AddRowDefaultNull(row *cdcevent.Row) error {
 		}
 		if err := it.Datum(func(d tree.Datum, col cdcevent.ResultColumn) error {
 			if dEnum, ok := d.(*tree.DEnum); ok {
+				// Override the type to Unknown to avoid a mismatched type OID error
+				// during execution. Note that Unknown is the type used by default
+				// when a SQL statement is executed without type hints.
 				dEnum.EnumTyp = types.Unknown
 			}
 			q.scratchDatums = append(q.scratchDatums, d)

pkg/sql/importer/BUILD.bazel

@@ -17,7 +17,6 @@ go_library(
         "import_processor.go",
         "import_processor_planning.go",
         "import_table_creation.go",
-        "import_type_resolver.go",
         "read_import_avro.go",
         "read_import_base.go",
         "read_import_csv.go",
@@ -32,6 +31,7 @@ go_library(
     visibility = ["//visibility:public"],
     deps = [
         "//pkg/base",
+        "//pkg/ccl/crosscluster",
         "//pkg/cloud",
         "//pkg/cloud/cloudprivilege",
         "//pkg/clusterversion",
@@ -93,7 +93,6 @@ go_library(
         "//pkg/sql/sem/tree",
         "//pkg/sql/sessiondata",
         "//pkg/sql/sqlclustersettings",
-        "//pkg/sql/sqlerrors",
         "//pkg/sql/sqltelemetry",
         "//pkg/sql/stats",
         "//pkg/sql/types",

pkg/sql/importer/read_import_base.go

@@ -18,6 +18,7 @@ import (
 	"sync/atomic"
 	"time"
 
+	"github.com/cockroachdb/cockroach/pkg/ccl/crosscluster"
 	"github.com/cockroachdb/cockroach/pkg/cloud"
 	"github.com/cockroachdb/cockroach/pkg/kv"
 	"github.com/cockroachdb/cockroach/pkg/kv/kvpb"
@@ -55,7 +56,7 @@ func runImport(
 
 	// Install type metadata in all of the import tables.
 	spec = protoutil.Clone(spec).(*execinfrapb.ReadImportDataSpec)
-	importResolver := MakeImportTypeResolver(spec.Types)
+	importResolver := crosscluster.MakeCrossClusterTypeResolver(spec.Types)
 	for _, table := range spec.Tables {
 		cpy := tabledesc.NewBuilder(table.Desc).BuildCreatedMutableTable()
 		if err := typedesc.HydrateTypesInDescriptor(ctx, cpy, importResolver); err != nil {