org.apache.seata.rm.datasource.undo.mysql

Class MySQLUndoUpdateExecutor

java.lang.Object

org.apache.seata.rm.datasource.undo.AbstractUndoExecutor

org.apache.seata.rm.datasource.undo.mysql.MySQLUndoUpdateExecutor

Direct Known Subclasses:

MariadbUndoUpdateExecutor, PolarDBXUndoUpdateExecutor

public class MySQLUndoUpdateExecutor
extends AbstractUndoExecutor

The type My sql undo update executor.

Field Summary

Fields inherited from class org.apache.seata.rm.datasource.undo.AbstractUndoExecutor

IS_UNDO_DATA_VALIDATION_ENABLE, sqlUndoLog

Constructor Summary

Constructors

Constructor and Description
MySQLUndoUpdateExecutor(SQLUndoLog sqlUndoLog) Instantiates a new My sql undo update executor.

Method Summary

Modifier and Type	Method and Description
protected String	buildUndoSQL() Undo Update.
protected TableRecords	getUndoRows() Gets undo rows.

Methods inherited from class org.apache.seata.rm.datasource.undo.AbstractUndoExecutor

buildCheckSql, dataValidationAndGoOn, executeOn, getOrderedPkList, getSqlUndoLog, parsePkValues, parsePkValues, queryCurrentRecords, undoPrepare

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MySQLUndoUpdateExecutor

public MySQLUndoUpdateExecutor(SQLUndoLog sqlUndoLog)

Instantiates a new My sql undo update executor.

Parameters:

sqlUndoLog - the sql undo log

Method Detail

buildUndoSQL

protected String buildUndoSQL()

Undo Update.

Specified by:

buildUndoSQL in class AbstractUndoExecutor

Returns:

sql

getUndoRows

protected TableRecords getUndoRows()

Description copied from class: AbstractUndoExecutor

Gets undo rows.

Specified by:

getUndoRows in class AbstractUndoExecutor

Returns:

the undo rows