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 +1,153 @@
+// 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 (
+	"strconv"
+	"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"
+)
+
+// initInt2 registers the functions to the catalog.
+func initInt2() {
+	framework.RegisterFunction(int2in)
+	framework.RegisterFunction(int2out)
+	framework.RegisterFunction(int2recv)
+	framework.RegisterFunction(int2send)
+	framework.RegisterFunction(btint2cmp)
+	framework.RegisterFunction(btint24cmp)
+	framework.RegisterFunction(btint28cmp)
+}
+
+// int2in represents the PostgreSQL function of int2 type IO input.
+var int2in = framework.Function1{
+	Name:       "int2in",
+	Return:     pgtypes.Int16,
+	Parameters: [1]*pgtypes.DoltgresType{pgtypes.Cstring},
+	Strict:     true,
+	Callable: func(ctx *sql.Context, _ [2]*pgtypes.DoltgresType, val any) (any, error) {
+		input := val.(string)
+		iVal, err := strconv.ParseInt(strings.TrimSpace(input), 10, 16)
+		if err != nil {
+			return nil, pgtypes.ErrInvalidSyntaxForType.New("int2", input)
+		}
+		if iVal > 32767 || iVal < -32768 {
+			return nil, pgtypes.ErrValueIsOutOfRangeForType.New(input, "int2")
+		}
+		return int16(iVal), nil
+	},
+}
+
+// int2out represents the PostgreSQL function of int2 type IO output.
+var int2out = framework.Function1{
+	Name:       "int2out",
+	Return:     pgtypes.Cstring,
+	Parameters: [1]*pgtypes.DoltgresType{pgtypes.Int16},
+	Strict:     true,
+	Callable: func(ctx *sql.Context, _ [2]*pgtypes.DoltgresType, val any) (any, error) {
+		return strconv.FormatInt(int64(val.(int16)), 10), nil
+	},
+}
+
+// int2recv represents the PostgreSQL function of int2 type IO receive.
+var int2recv = framework.Function1{
+	Name:       "int2recv",
+	Return:     pgtypes.Int16,
+	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
+		}
+		reader := utils.NewWireReader(data)
+		return reader.ReadInt16(), nil
+	},
+}
+
+// int2send represents the PostgreSQL function of int2 type IO send.
+var int2send = framework.Function1{
+	Name:       "int2send",
+	Return:     pgtypes.Bytea,
+	Parameters: [1]*pgtypes.DoltgresType{pgtypes.Int16},
+	Strict:     true,
+	Callable: func(ctx *sql.Context, _ [2]*pgtypes.DoltgresType, val any) (any, error) {
+		writer := utils.NewWireWriter()
+		writer.WriteInt16(val.(int16))
+		return writer.BufferData(), nil
+	},
+}
+
+// btint2cmp represents the PostgreSQL function of int2 type compare.
+var btint2cmp = framework.Function2{
+	Name:       "btint2cmp",
+	Return:     pgtypes.Int32,
+	Parameters: [2]*pgtypes.DoltgresType{pgtypes.Int16, pgtypes.Int16},
+	Strict:     true,
+	Callable: func(ctx *sql.Context, _ [3]*pgtypes.DoltgresType, val1, val2 any) (any, error) {
+		ab := val1.(int16)
+		bb := val2.(int16)
+		if ab == bb {
+			return int32(0), nil
+		} else if ab < bb {
+			return int32(-1), nil
+		} else {
+			return int32(1), nil
+		}
+	},
+}
+
+// btint24cmp represents the PostgreSQL function of int2 type compare with int4.
+var btint24cmp = framework.Function2{
+	Name:       "btint24cmp",
+	Return:     pgtypes.Int32,
+	Parameters: [2]*pgtypes.DoltgresType{pgtypes.Int16, pgtypes.Int32},
+	Strict:     true,
+	Callable: func(ctx *sql.Context, _ [3]*pgtypes.DoltgresType, val1, val2 any) (any, error) {
+		ab := int32(val1.(int16))
+		bb := val2.(int32)
+		if ab == bb {
+			return int32(0), nil
+		} else if ab < bb {
+			return int32(-1), nil
+		} else {
+			return int32(1), nil
+		}
+	},
+}
+
+// btint28cmp represents the PostgreSQL function of int2 type compare with int8.
+var btint28cmp = framework.Function2{
+	Name:       "btint28cmp",
+	Return:     pgtypes.Int32,
+	Parameters: [2]*pgtypes.DoltgresType{pgtypes.Int16, pgtypes.Int64},
+	Strict:     true,
+	Callable: func(ctx *sql.Context, _ [3]*pgtypes.DoltgresType, val1, val2 any) (any, error) {
+		ab := int64(val1.(int16))
+		bb := val2.(int64)
+		if ab == bb {
+			return int32(0), nil
+		} else if ab < bb {
+			return int32(-1), nil
+		} else {
+			return int32(1), nil
+		}
+	},
+}