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executor.go
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executor.go
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/*
* Copyright 2022 CECTC, 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 exec
import (
"context"
"time"
"github.com/cectc/dbpack/pkg/constant"
"github.com/cectc/dbpack/pkg/dt/schema"
"github.com/cectc/dbpack/pkg/dt/undolog"
)
type Executor interface {
BeforeImage(ctx context.Context) (*schema.TableRecords, error)
AfterImage(ctx context.Context) (*schema.TableRecords, error)
GetTableMeta(ctx context.Context) (schema.TableMeta, error)
GetTableName() string
}
type GlobalLockExecutor interface {
Executable(ctx context.Context, lockRetryInterval time.Duration, lockRetryTimes int) (bool, error)
GetTableMeta(ctx context.Context) (schema.TableMeta, error)
GetTableName() string
}
type Executable interface {
Executable(ctx context.Context, xid string, lockRetryInterval time.Duration, lockRetryTimes int) (bool, error)
GetTableMeta(ctx context.Context) (schema.TableMeta, error)
GetTableName() string
}
func BuildUndoItem(
isBinary bool,
sqlType constant.SQLType,
schemaName, tableName,
lockKey string, beforeImage,
afterImage *schema.TableRecords) *undolog.SqlUndoLog {
sqlUndoLog := &undolog.SqlUndoLog{
IsBinary: isBinary,
SqlType: sqlType,
SchemaName: schemaName,
TableName: tableName,
LockKey: lockKey,
BeforeImage: beforeImage,
AfterImage: afterImage,
}
return sqlUndoLog
}