wehub-resource-sync
81 lines
2.8 KiB
Go
81 lines
2.8 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"
|
|
|
|
"github.com/dolthub/doltgresql/core/id"
|
|
"github.com/dolthub/doltgresql/utils"
|
|
)
|
|
|
|
// Bytea is the byte string type.
|
|
var Bytea = &DoltgresType{
|
|
ID: toInternal("bytea"),
|
|
TypLength: int16(-1),
|
|
PassedByVal: false,
|
|
TypType: TypeType_Base,
|
|
TypCategory: TypeCategory_UserDefinedTypes,
|
|
IsPreferred: false,
|
|
IsDefined: true,
|
|
Delimiter: ",",
|
|
RelID: id.Null,
|
|
SubscriptFunc: toFuncID("-"),
|
|
Elem: internalNullType,
|
|
Array: internalNullType,
|
|
InputFunc: toFuncID("byteain", toInternal("cstring")),
|
|
OutputFunc: toFuncID("byteaout", toInternal("bytea")),
|
|
ReceiveFunc: toFuncID("bytearecv", toInternal("internal")),
|
|
SendFunc: toFuncID("byteasend", toInternal("bytea")),
|
|
ModInFunc: toFuncID("-"),
|
|
ModOutFunc: toFuncID("-"),
|
|
AnalyzeFunc: toFuncID("-"),
|
|
Align: TypeAlignment_Int,
|
|
Storage: TypeStorage_Extended,
|
|
NotNull: false,
|
|
BaseTypeType: internalNullType,
|
|
TypMod: -1,
|
|
NDims: 0,
|
|
TypCollation: id.NullCollation,
|
|
DefaulBin: "",
|
|
Default: "",
|
|
Acl: nil,
|
|
Checks: nil,
|
|
attTypMod: -1,
|
|
CompareFunc: toFuncID("byteacmp", toInternal("bytea"), toInternal("bytea")),
|
|
SerializationFunc: serializeTypeBytea,
|
|
DeserializationFunc: deserializeTypeBytea,
|
|
}
|
|
|
|
// serializeTypeBytea handles serialization from the standard representation to our serialized representation that is
|
|
// written in Dolt.
|
|
func serializeTypeBytea(ctx *sql.Context, t *DoltgresType, val any) ([]byte, error) {
|
|
res, err := sql.UnwrapAny(ctx, val)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
str := res.([]byte)
|
|
writer := utils.NewWriter(uint64(len(str) + 4))
|
|
writer.ByteSlice(str)
|
|
return writer.Data(), nil
|
|
}
|
|
|
|
// deserializeTypeBytea handles deserialization from the Dolt serialized format to our standard representation used by
|
|
// expressions and nodes.
|
|
func deserializeTypeBytea(ctx *sql.Context, t *DoltgresType, data []byte) (any, error) {
|
|
reader := utils.NewReader(data)
|
|
return reader.ByteSlice(), nil
|
|
}
|