chore: import upstream snapshot with attribution

2026-07-13 12:32:25 +08:00
commit e014feafe1
2285 changed files with 1131979 additions and 0 deletions
@@ -0,0 +1,54 @@
+// Copyright 2024 Dolthub, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package functions
+
+import (
+	"github.com/cockroachdb/errors"
+
+	"github.com/dolthub/go-mysql-server/sql"
+
+	"github.com/dolthub/doltgresql/server/functions/framework"
+	pgtypes "github.com/dolthub/doltgresql/server/types"
+)
+
+// initPgGetExpr registers the functions to the catalog.
+func initPgGetExpr() {
+	framework.RegisterFunction(pg_get_expr_pgnodetree_oid)
+	framework.RegisterFunction(pg_get_expr_pgnodetree_oid_bool)
+}
+
+// pg_get_expr_pgnodetree_oid represents the PostgreSQL function of the same name, taking the same parameters.
+var pg_get_expr_pgnodetree_oid = framework.Function2{
+	Name:       "pg_get_expr",
+	Return:     pgtypes.Text,
+	Parameters: [2]*pgtypes.DoltgresType{pgtypes.Text, pgtypes.Oid}, // TODO: First parameter should be pg_node_tree
+	Strict:     true,
+	Callable: func(ctx *sql.Context, _ [3]*pgtypes.DoltgresType, val1, val2 any) (any, error) {
+		// TODO: Implement this when the pg_node_tree type exists
+		return nil, errors.Errorf("pg_get_expr is not yet supported")
+	},
+}
+
+// pg_get_expr_pgnodetree_oid_bool represents the PostgreSQL function of the same name, taking the same parameters.
+var pg_get_expr_pgnodetree_oid_bool = framework.Function3{
+	Name:       "pg_get_expr",
+	Return:     pgtypes.Text,
+	Parameters: [3]*pgtypes.DoltgresType{pgtypes.Text, pgtypes.Oid, pgtypes.Bool}, // TODO: First parameter should be pg_node_tree
+	Strict:     true,
+	Callable: func(ctx *sql.Context, _ [4]*pgtypes.DoltgresType, val1, val2, val3 any) (any, error) {
+		// TODO: Implement this when the pg_node_tree type exists
+		return nil, errors.Errorf("pg_get_expr is not yet supported")
+	},
+}