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 +1,65 @@
+// 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 binary
+
+import (
+	"github.com/dolthub/go-mysql-server/sql"
+
+	"github.com/dolthub/doltgresql/server/functions/framework"
+	pgtypes "github.com/dolthub/doltgresql/server/types"
+)
+
+// These functions can be gathered using the following query from a Postgres 15 instance:
+// SELECT * FROM pg_operator o WHERE o.oprname = '>>' ORDER BY o.oprcode::varchar;
+
+// initBinaryShiftRight registers the functions to the catalog.
+func initBinaryShiftRight() {
+	framework.RegisterBinaryFunction(framework.Operator_BinaryShiftRight, int2shr)
+	framework.RegisterBinaryFunction(framework.Operator_BinaryShiftRight, int4shr)
+	framework.RegisterBinaryFunction(framework.Operator_BinaryShiftRight, int8shr)
+}
+
+// int2shr represents the PostgreSQL function of the same name, taking the same parameters.
+var int2shr = framework.Function2{
+	Name:       "int2shr",
+	Return:     pgtypes.Int16,
+	Parameters: [2]*pgtypes.DoltgresType{pgtypes.Int16, pgtypes.Int32},
+	Strict:     true,
+	Callable: func(ctx *sql.Context, _ [3]*pgtypes.DoltgresType, val1 any, val2 any) (any, error) {
+		return int16(int32(val1.(int16)) >> val2.(int32)), nil
+	},
+}
+
+// int4shr represents the PostgreSQL function of the same name, taking the same parameters.
+var int4shr = framework.Function2{
+	Name:       "int4shr",
+	Return:     pgtypes.Int32,
+	Parameters: [2]*pgtypes.DoltgresType{pgtypes.Int32, pgtypes.Int32},
+	Strict:     true,
+	Callable: func(ctx *sql.Context, _ [3]*pgtypes.DoltgresType, val1 any, val2 any) (any, error) {
+		return int32(val1.(int32) >> val2.(int32)), nil
+	},
+}
+
+// int8shr represents the PostgreSQL function of the same name, taking the same parameters.
+var int8shr = framework.Function2{
+	Name:       "int8shr",
+	Return:     pgtypes.Int64,
+	Parameters: [2]*pgtypes.DoltgresType{pgtypes.Int64, pgtypes.Int32},
+	Strict:     true,
+	Callable: func(ctx *sql.Context, _ [3]*pgtypes.DoltgresType, val1 any, val2 any) (any, error) {
+		return int64(val1.(int64) >> int64(val2.(int32))), nil
+	},
+}