Package org.alfresco.repo.domain.schema.script

Class DeleteNotExistsExecutor

java.lang.Object

org.alfresco.repo.domain.schema.script.DeleteNotExistsExecutor

All Implemented Interfaces:

StatementExecutor

public class DeleteNotExistsExecutor
extends Object
implements StatementExecutor

The --DELETE_NOT_EXISTS primaryTable.columnName,secondaryTable1.columnName1,...,secondaryTableN.columnNameN batch.size.property statement is used to delete all the items that don't have any corresponding key in any of the secondary tables (e.g. secondaryTable1.columnName1,...,secondaryTableN.columnNameN).

The processing of the tables and the actual deletes are done in batches to support a high volume of data. It can be influenced using:
system.delete_not_exists.batchsize and/or system.delete_not_exists.delete_batchsize

The statement can be executed in read only mode using: system.delete_not_exists.read_only.

In case of high volume of data we can limit the processing time using: system.delete_not_exists.timeout_seconds.

Author:

Cristian Turlica

Field Summary

Fields

Modifier and Type	Field	Description
static String	PROPERTY_BATCH_SIZE
static String	PROPERTY_DELETE_BATCH_SIZE
static String	PROPERTY_READ_ONLY
static String	PROPERTY_TIMEOUT_SECONDS

Constructor Summary

Constructors

Constructor	Description
DeleteNotExistsExecutor(Connection connection, String sql, int line, File scriptFile, Properties globalProperties)

Method Summary

Modifier and Type	Method	Description
void	checkProperties()
void	execute()

Methods inherited from class java.lang.Object

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

Field Detail

PROPERTY_BATCH_SIZE

public static final String PROPERTY_BATCH_SIZE

See Also:

Constant Field Values

PROPERTY_DELETE_BATCH_SIZE

public static final String PROPERTY_DELETE_BATCH_SIZE

See Also:

Constant Field Values

PROPERTY_READ_ONLY

public static final String PROPERTY_READ_ONLY

See Also:

Constant Field Values

PROPERTY_TIMEOUT_SECONDS

public static final String PROPERTY_TIMEOUT_SECONDS

See Also:

Constant Field Values

Constructor Detail

DeleteNotExistsExecutor

public DeleteNotExistsExecutor(Connection connection,
                               String sql,
                               int line,
                               File scriptFile,
                               Properties globalProperties)

Method Detail

checkProperties

public void checkProperties()

execute

public void execute()
             throws Exception

Specified by:

execute in interface StatementExecutor

Throws:

Exception