org.apache.seata.rm.datasource.exec

Class DeleteExecutor<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.DeleteExecutor<T,S>

Type Parameters:

T - the type parameter

S - the type parameter

All Implemented Interfaces:

Executor<T>

Direct Known Subclasses:

SqlServerDeleteExecutor

public class DeleteExecutor<T,S extends Statement>
extends AbstractDMLBaseExecutor<T,S>

The type Delete executor.

Field Summary

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
DeleteExecutor(StatementProxy<S> statementProxy, StatementCallback<T,S> statementCallback, SQLRecognizer sqlRecognizer) Instantiates a new Delete 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 String	buildBeforeImageSQL(SQLDeleteRecognizer visitor, TableMeta tableMeta, ArrayList<List<Object>> paramAppenderList)

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, buildUndoItem, buildWhereCondition, containPK, containsPK, containsPK, execute, getColumnNameInSQL, getColumnNamesInSQL, getColumnNamesInSQLList, getColumnNamesWithTablePrefix, getColumnNamesWithTablePrefixList, getColumnNameWithTablePrefix, getDbType, getFromTableInSQL, getNeedColumns, getStandardPkColumnName, getTableMeta, getTableMeta, prepareUndoLog, validPk

Methods inherited from class java.lang.Object

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

Constructor Detail

DeleteExecutor

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

Instantiates a new Delete 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.

Specified by:

beforeImage in class AbstractDMLBaseExecutor<T,S extends Statement>

Returns:

the table records

Throws:

SQLException - the sql exception

buildBeforeImageSQL

protected String buildBeforeImageSQL(SQLDeleteRecognizer visitor,
                                     TableMeta tableMeta,
                                     ArrayList<List<Object>> paramAppenderList)

afterImage

protected TableRecords afterImage(TableRecords beforeImage)
                           throws SQLException

Description copied from class: AbstractDMLBaseExecutor

After image table records.

Specified by:

afterImage in class AbstractDMLBaseExecutor<T,S extends Statement>

Parameters:

beforeImage - the before image

Returns:

the table records

Throws:

SQLException - the sql exception