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 +1,114 @@
+// 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 (
+	"strings"
+
+	"github.com/dolthub/go-mysql-server/sql"
+
+	"github.com/dolthub/doltgresql/server/functions/framework"
+	pgtypes "github.com/dolthub/doltgresql/server/types"
+	"github.com/dolthub/doltgresql/utils"
+)
+
+// initBool registers the functions to the catalog.
+func initBool() {
+	framework.RegisterFunction(boolin)
+	framework.RegisterFunction(boolout)
+	framework.RegisterFunction(boolrecv)
+	framework.RegisterFunction(boolsend)
+	framework.RegisterFunction(btboolcmp)
+}
+
+// boolin represents the PostgreSQL function of boolean type IO input.
+var boolin = framework.Function1{
+	Name:       "boolin",
+	Return:     pgtypes.Bool,
+	Parameters: [1]*pgtypes.DoltgresType{pgtypes.Cstring},
+	Strict:     true,
+	Callable: func(ctx *sql.Context, _ [2]*pgtypes.DoltgresType, val any) (any, error) {
+		val = strings.TrimSpace(strings.ToLower(val.(string)))
+		if val == "true" || val == "t" || val == "yes" || val == "on" || val == "1" {
+			return true, nil
+		} else if val == "false" || val == "f" || val == "no" || val == "off" || val == "0" {
+			return false, nil
+		} else {
+			return nil, pgtypes.ErrInvalidSyntaxForType.New("boolean", val)
+		}
+	},
+}
+
+// boolout represents the PostgreSQL function of boolean type IO output.
+var boolout = framework.Function1{
+	Name:       "boolout",
+	Return:     pgtypes.Cstring,
+	Parameters: [1]*pgtypes.DoltgresType{pgtypes.Bool},
+	Strict:     true,
+	Callable: func(ctx *sql.Context, _ [2]*pgtypes.DoltgresType, val any) (any, error) {
+		if val.(bool) {
+			return "true", nil
+		} else {
+			return "false", nil
+		}
+	},
+}
+
+// boolrecv represents the PostgreSQL function of boolean type IO receive.
+var boolrecv = framework.Function1{
+	Name:       "boolrecv",
+	Return:     pgtypes.Bool,
+	Parameters: [1]*pgtypes.DoltgresType{pgtypes.Internal},
+	Strict:     true,
+	Callable: func(ctx *sql.Context, _ [2]*pgtypes.DoltgresType, val any) (any, error) {
+		data := val.([]byte)
+		if len(data) == 0 {
+			return nil, nil
+		}
+		return data[0] != 0, nil
+	},
+}
+
+// boolsend represents the PostgreSQL function of boolean type IO send.
+var boolsend = framework.Function1{
+	Name:       "boolsend",
+	Return:     pgtypes.Bytea,
+	Parameters: [1]*pgtypes.DoltgresType{pgtypes.Bool},
+	Strict:     true,
+	Callable: func(ctx *sql.Context, _ [2]*pgtypes.DoltgresType, val any) (any, error) {
+		writer := utils.NewWireWriter()
+		writer.WriteBool(val.(bool))
+		return writer.BufferData(), nil
+	},
+}
+
+// btboolcmp represents the PostgreSQL function of boolean type byte compare.
+var btboolcmp = framework.Function2{
+	Name:       "btboolcmp",
+	Return:     pgtypes.Int32,
+	Parameters: [2]*pgtypes.DoltgresType{pgtypes.Bool, pgtypes.Bool},
+	Strict:     true,
+	Callable: func(ctx *sql.Context, _ [3]*pgtypes.DoltgresType, val1, val2 any) (any, error) {
+		ab := val1.(bool)
+		bb := val2.(bool)
+		if ab == bb {
+			return int32(0), nil
+		} else if !ab {
+			return int32(-1), nil
+		} else {
+			return int32(1), nil
+		}
+	},
+}