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 +1,136 @@
+// 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/dolthub/go-mysql-server/sql"
+
+	"github.com/dolthub/doltgresql/utils"
+
+	"github.com/dolthub/doltgresql/server/functions/framework"
+	pgtypes "github.com/dolthub/doltgresql/server/types"
+)
+
+// initName registers the functions to the catalog.
+func initName() {
+	framework.RegisterFunction(namein)
+	framework.RegisterFunction(nameout)
+	framework.RegisterFunction(namerecv)
+	framework.RegisterFunction(namesend)
+	framework.RegisterFunction(btnamecmp)
+	framework.RegisterFunction(btnametextcmp)
+}
+
+// namein represents the PostgreSQL function of name type IO input.
+var namein = framework.Function1{
+	Name:       "namein",
+	Return:     pgtypes.Name,
+	Parameters: [1]*pgtypes.DoltgresType{pgtypes.Cstring},
+	Strict:     true,
+	Callable: func(ctx *sql.Context, _ [2]*pgtypes.DoltgresType, val any) (any, error) {
+		input := val.(string)
+		input, _ = truncateString(input, pgtypes.NameLength)
+		return input, nil
+	},
+}
+
+// nameout represents the PostgreSQL function of name type IO output.
+var nameout = framework.Function1{
+	Name:       "nameout",
+	Return:     pgtypes.Cstring,
+	Parameters: [1]*pgtypes.DoltgresType{pgtypes.Name},
+	Strict:     true,
+	Callable: func(ctx *sql.Context, _ [2]*pgtypes.DoltgresType, val any) (any, error) {
+		str, _ := truncateString(val.(string), pgtypes.NameLength)
+		return str, nil
+	},
+}
+
+// namerecv represents the PostgreSQL function of name type IO receive.
+var namerecv = framework.Function1{
+	Name:       "namerecv",
+	Return:     pgtypes.Name,
+	Parameters: [1]*pgtypes.DoltgresType{pgtypes.Internal},
+	Strict:     true,
+	Callable: func(ctx *sql.Context, _ [2]*pgtypes.DoltgresType, val any) (any, error) {
+		data := val.([]byte)
+		if data == nil {
+			return nil, nil
+		}
+		out, _ := truncateString(string(data), pgtypes.NameLength)
+		return out, nil
+	},
+}
+
+// namesend represents the PostgreSQL function of name type IO send.
+var namesend = framework.Function1{
+	Name:       "namesend",
+	Return:     pgtypes.Bytea,
+	Parameters: [1]*pgtypes.DoltgresType{pgtypes.Name},
+	Strict:     true,
+	Callable: func(ctx *sql.Context, _ [2]*pgtypes.DoltgresType, val any) (any, error) {
+		if wrapper, ok := val.(sql.AnyWrapper); ok {
+			var err error
+			val, err = wrapper.UnwrapAny(ctx)
+			if err != nil {
+				return nil, err
+			}
+			if val == nil {
+				return nil, nil
+			}
+		}
+		writer := utils.NewWireWriter()
+		writer.WriteString(val.(string))
+		return writer.BufferData(), nil
+	},
+}
+
+// btnamecmp represents the PostgreSQL function of name type compare.
+var btnamecmp = framework.Function2{
+	Name:       "btnamecmp",
+	Return:     pgtypes.Int32,
+	Parameters: [2]*pgtypes.DoltgresType{pgtypes.Name, pgtypes.Name},
+	Strict:     true,
+	Callable: func(ctx *sql.Context, _ [3]*pgtypes.DoltgresType, val1, val2 any) (any, error) {
+		ab := val1.(string)
+		bb := val2.(string)
+		if ab == bb {
+			return int32(0), nil
+		} else if ab < bb {
+			return int32(-1), nil
+		} else {
+			return int32(1), nil
+		}
+	},
+}
+
+// btnametextcmp represents the PostgreSQL function of name type compare with text.
+var btnametextcmp = framework.Function2{
+	Name:       "btnametextcmp",
+	Return:     pgtypes.Int32,
+	Parameters: [2]*pgtypes.DoltgresType{pgtypes.Name, pgtypes.Text},
+	Strict:     true,
+	Callable: func(ctx *sql.Context, _ [3]*pgtypes.DoltgresType, val1, val2 any) (any, error) {
+		ab := val1.(string)
+		bb := val2.(string)
+		if ab == bb {
+			return int32(0), nil
+		} else if ab < bb {
+			return int32(-1), nil
+		} else {
+			return int32(1), nil
+		}
+	},
+}