org.apache.seata.rm.datasource.exec.mysql

Class MySQLUpdateJoinExecutor<T,S extends Statement>

java.lang.Object

org.apache.seata.rm.datasource.exec.BaseTransactionalExecutor<T,S>

org.apache.seata.rm.datasource.exec.AbstractDMLBaseExecutor<T,S>

org.apache.seata.rm.datasource.exec.UpdateExecutor<T,S>

org.apache.seata.rm.datasource.exec.mysql.MySQLUpdateJoinExecutor<T,S>

All Implemented Interfaces:

Executor<T>

Direct Known Subclasses:

MariadbUpdateJoinExecutor, PolarDBXUpdateJoinExecutor

public class MySQLUpdateJoinExecutor<T,S extends Statement>
extends UpdateExecutor<T,S>

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	isLowerSupportGroupByPksVersion
protected org.slf4j.Logger	logger

Fields inherited from class org.apache.seata.rm.datasource.exec.AbstractDMLBaseExecutor

GROUP_BY, WHERE

Fields inherited from class org.apache.seata.rm.datasource.exec.BaseTransactionalExecutor

sqlRecognizer, sqlRecognizers, statementCallback, statementProxy

Constructor Summary

Constructors

Constructor and Description
MySQLUpdateJoinExecutor(StatementProxy<S> statementProxy, StatementCallback<T,S> statementCallback, SQLRecognizer sqlRecognizer) Instantiates a new Update executor.

Method Summary

Modifier and Type	Method and Description
protected TableRecords	afterImage(TableRecords beforeImage) After image table records.
protected TableRecords	beforeImage() Before image table records.
protected SQLUndoLog	buildUndoItem(TableRecords beforeImage, TableRecords afterImage) build a SQLUndoLog
protected TableMeta	getTableMeta(String tableName) Gets table meta.
protected void	prepareUndoLog(TableRecords beforeImage, TableRecords afterImage) prepare undo log.

Methods inherited from class org.apache.seata.rm.datasource.exec.UpdateExecutor

buildBeforeImageSQL

Methods inherited from class org.apache.seata.rm.datasource.exec.AbstractDMLBaseExecutor

doExecute, executeAutoCommitFalse, executeAutoCommitTrue

Methods inherited from class org.apache.seata.rm.datasource.exec.BaseTransactionalExecutor

buildLimitCondition, buildLockKey, buildOrderCondition, buildTableRecords, buildTableRecords, buildWhereCondition, containPK, containsPK, containsPK, execute, getColumnNameInSQL, getColumnNamesInSQL, getColumnNamesInSQLList, getColumnNamesWithTablePrefix, getColumnNamesWithTablePrefixList, getColumnNameWithTablePrefix, getDbType, getFromTableInSQL, getNeedColumns, getStandardPkColumnName, getTableMeta, validPk

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected final org.slf4j.Logger logger

isLowerSupportGroupByPksVersion

protected boolean isLowerSupportGroupByPksVersion

Constructor Detail

MySQLUpdateJoinExecutor

public MySQLUpdateJoinExecutor(StatementProxy<S> statementProxy,
                               StatementCallback<T,S> statementCallback,
                               SQLRecognizer sqlRecognizer)

Instantiates a new Update executor.

Parameters:

statementProxy - the statement proxy

statementCallback - the statement callback

sqlRecognizer - the sql recognizer

Method Detail

beforeImage

protected TableRecords beforeImage()
                            throws SQLException

Description copied from class: AbstractDMLBaseExecutor

Before image table records.

Overrides:

beforeImage in class UpdateExecutor<T,S extends Statement>

Returns:

the table records

Throws:

SQLException - the sql exception

afterImage

protected TableRecords afterImage(TableRecords beforeImage)
                           throws SQLException

Description copied from class: AbstractDMLBaseExecutor

After image table records.

Overrides:

afterImage in class UpdateExecutor<T,S extends Statement>

Parameters:

beforeImage - the before image

Returns:

the table records

Throws:

SQLException - the sql exception

prepareUndoLog

protected void prepareUndoLog(TableRecords beforeImage,
                              TableRecords afterImage)
                       throws SQLException

Description copied from class: BaseTransactionalExecutor

prepare undo log.

Overrides:

prepareUndoLog in class BaseTransactionalExecutor<T,S extends Statement>

Parameters:

beforeImage - the before image

afterImage - the after image

Throws:

SQLException - the sql exception

getTableMeta

protected TableMeta getTableMeta(String tableName)

Description copied from class: BaseTransactionalExecutor

Gets table meta.

Overrides:

getTableMeta in class BaseTransactionalExecutor<T,S extends Statement>

Parameters:

tableName - the table name

Returns:

the table meta

buildUndoItem

protected SQLUndoLog buildUndoItem(TableRecords beforeImage,
                                   TableRecords afterImage)

build a SQLUndoLog

Overrides:

buildUndoItem in class BaseTransactionalExecutor<T,S extends Statement>

Parameters:

beforeImage - the before image

afterImage - the after image

Returns:

sql undo log