com.uwyn.rife.database.queries
Class Delete

java.lang.Object
  com.uwyn.rife.database.queries.AbstractWhereQuery<Delete>
      com.uwyn.rife.database.queries.Delete

All Implemented Interfaces:

Query, Cloneable

public class Delete
extends AbstractWhereQuery<Delete>
implements Cloneable

Object representation of a SQL "DELETE" query.

This object may be used to dynamically construct a SQL statement in a database-independent fashion. After it is finished, it may be executed using DbQueryManager.executeUpdate().

Since:

1.0

Version:

$Revision: 3648 $

Author:

Geert Bevin (gbevin[remove] at uwyn dot com), Steven Grimm (koreth[remove] at midwinter dot com)

Field Summary

protected Datasource	mDatasource
protected boolean	mExcludeUnsupportedCapabilities
protected String	mSql

Fields inherited from class com.uwyn.rife.database.queries.AbstractWhereQuery

mWhere

Constructor Summary

Delete(Datasource datasource)

Method Summary

protected void	_fieldSubselect(Select query)
protected void	_tableSubselect(Select query)
protected void	_unionSubselect(Select query)
protected void	_whereSubselect(Select query)
protected void	addFieldParameter(String field)
protected void	addWhereParameter(String field)
void	addWhereParameters(List<String> parameters)
void	addWhereParameters(List<String> parameters)
void	clear()
protected void	clearGenerated()
protected void	clearWhereParameters()
Delete	clone()
Delete	from(String from)
com.uwyn.rife.database.capabilities.Capabilities	getCapabilities()
Datasource	getDatasource()
String	getFrom()
String	getHint()
String	getLimitParameter()
String	getOffsetParameter()
QueryParameters	getParameters()
String	getSql()
protected List<String>	getWhereParameters()
Delete	hint(String hint)
protected boolean	isLimitBeforeOffset()
void	setExcludeUnsupportedCapabilities(boolean flag)
protected void	setLimitParameter(String limitParameter)
protected void	setOffsetParameter(String offsetParameter)
String	toString()

Methods inherited from class com.uwyn.rife.database.queries.AbstractWhereQuery

getWhere, startWhere, startWhereAnd, startWhereOr, where, where, where, where, where, where, where, where, where, where, where, where, whereAnd, whereAnd, whereAnd, whereAnd, whereAnd, whereAnd, whereAnd, whereAnd, whereAnd, whereAnd, whereAnd, whereExcluded, whereFiltered, whereIncluded, whereOr, whereOr, whereOr, whereOr, whereOr, whereOr, whereOr, whereOr, whereOr, whereOr, whereOr, whereParameter, whereParameter, whereParameterAnd, whereParameterAnd, whereParameterOr, whereParameterOr, whereParameters, whereParametersExcluded, whereSubselect

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.uwyn.rife.database.queries.Query

setExcludeUnsupportedCapabilities

Field Detail

mDatasource

protected Datasource mDatasource

mSql

protected String mSql

mExcludeUnsupportedCapabilities

protected boolean mExcludeUnsupportedCapabilities

Constructor Detail

Delete

public Delete(Datasource datasource)

Method Detail

getHint

public String getHint()

clear

public void clear()

Specified by:

clear in interface Query

Overrides:

clear in class AbstractWhereQuery<Delete>

getFrom

public String getFrom()

getCapabilities

public com.uwyn.rife.database.capabilities.Capabilities getCapabilities()

Specified by:

getCapabilities in interface Query

getSql

public String getSql()

Specified by:

getSql in interface Query

hint

public Delete hint(String hint)

from

public Delete from(String from)

clone

public Delete clone()

Overrides:

clone in class AbstractWhereQuery<Delete>

addWhereParameters

public void addWhereParameters(List<String> parameters)

_fieldSubselect

protected void _fieldSubselect(Select query)

_tableSubselect

protected void _tableSubselect(Select query)

_whereSubselect

protected void _whereSubselect(Select query)

_unionSubselect

protected void _unionSubselect(Select query)

getParameters

public QueryParameters getParameters()

Specified by:

getParameters in interface Query

addFieldParameter

protected void addFieldParameter(String field)

clearWhereParameters

protected void clearWhereParameters()

addWhereParameter

protected void addWhereParameter(String field)

getWhereParameters

protected List<String> getWhereParameters()

addWhereParameters

public void addWhereParameters(List<String> parameters)

setLimitParameter

protected void setLimitParameter(String limitParameter)

getLimitParameter

public String getLimitParameter()

setOffsetParameter

protected void setOffsetParameter(String offsetParameter)

getOffsetParameter

public String getOffsetParameter()

isLimitBeforeOffset

protected boolean isLimitBeforeOffset()

getDatasource

public Datasource getDatasource()

setExcludeUnsupportedCapabilities

public void setExcludeUnsupportedCapabilities(boolean flag)

Specified by:

setExcludeUnsupportedCapabilities in interface Query

clearGenerated

protected void clearGenerated()

toString

public String toString()

Overrides:

toString in class Object