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2026-07-13 12:32:25 +08:00

64 lines
2.0 KiB
Go

// 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 types
import (
"github.com/dolthub/go-mysql-server/sql"
"gopkg.in/src-d/go-errors.v1"
"github.com/dolthub/doltgresql/core/id"
)
// ErrTypeIsOnlyAShell is returned when given shell type is attempted to be used.
var ErrTypeIsOnlyAShell = errors.NewKind(`type "%s" is only a shell`)
// NewShellType creates new instance of shell DoltgresType.
func NewShellType(ctx *sql.Context, internalID id.Type) *DoltgresType {
return &DoltgresType{
ID: internalID,
TypLength: 4,
PassedByVal: true,
TypType: TypeType_Pseudo,
TypCategory: TypeCategory_PseudoTypes,
IsPreferred: false,
IsDefined: false,
Delimiter: ",",
RelID: id.Null,
SubscriptFunc: toFuncID("-"),
Elem: internalNullType,
Array: internalNullType,
InputFunc: toFuncID("shell_in", toInternal("cstring")),
OutputFunc: toFuncID("shell_out", toInternal("void")),
ReceiveFunc: toFuncID("-"),
SendFunc: toFuncID("-"),
ModInFunc: toFuncID("-"),
ModOutFunc: toFuncID("-"),
AnalyzeFunc: toFuncID("-"),
Align: TypeAlignment_Int,
Storage: TypeStorage_Plain,
NotNull: false,
BaseTypeType: internalNullType,
TypMod: -1,
NDims: 0,
TypCollation: id.NullCollation,
DefaulBin: "",
Default: "",
Acl: nil,
Checks: nil,
attTypMod: -1,
CompareFunc: toFuncID("-"),
}
}