org.apache.ojb.broker.accesslayer.sql
Class SqlDeleteByQuery

java.lang.Object
  org.apache.ojb.broker.accesslayer.sql.SqlQueryStatement
      org.apache.ojb.broker.accesslayer.sql.SqlDeleteByQuery

All Implemented Interfaces:

JoinSyntaxTypes, SqlStatement

public class SqlDeleteByQuery
extends SqlQueryStatement

Model a DELETE by Query Statement

Version:

$Id: SqlDeleteByQuery.java,v 1.1 2007-08-24 22:17:39 ewestfal Exp $

Author:

Thomas Mahler

Field Summary

Fields inherited from class org.apache.ojb.broker.accesslayer.sql.SqlQueryStatement

m_attrToFld

Fields inherited from interface org.apache.ojb.broker.accesslayer.JoinSyntaxTypes

ORACLE_JOIN_SYNTAX, SQL92_JOIN_SYNTAX, SQL92_NOPAREN_JOIN_SYNTAX, SYBASE_JOIN_SYNTAX

Constructor Summary

SqlDeleteByQuery(Platform pf, ClassDescriptor cld, Query query, Logger logger)
Constructor for SqlDeleteByQuery.

Method Summary

protected String

buildStatement() Build the SQL String.

protected String

getColName(org.apache.ojb.broker.accesslayer.sql.SqlQueryStatement.TableAlias aTableAlias, SqlHelper.PathInfo aPathInfo, boolean translate) Answer the column name for alias and path info if translate try to convert attribute name into column name otherwise use attribute name if a FieldDescriptor is found for the attribute name the column name is taken from there prefixed with the alias (firstname -> A0.F_NAME).

Methods inherited from class org.apache.ojb.broker.accesslayer.sql.SqlQueryStatement

appendClause, appendColName, appendColName, appendColName, appendCriteria, appendGroupByClause, appendHavingClause, appendOrderByClause, appendSQLClause, appendTableWithJoins, appendWhereClause, buildSuperJoinTree, ensureColumns, ensureColumns, getAttributeInfo, getBaseClassDescriptor, getFieldDescriptor, getJoinSyntaxType, getJoinTreeToCriteria, getLogger, getQuery, getRoot, getSearchClassDescriptor, getSearchTable, getStatement, getTableAliasForClassDescriptor, setRoot, splitCriteria

Methods inherited from class java.lang.Object

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

Constructor Detail

SqlDeleteByQuery

public SqlDeleteByQuery(Platform pf,
                        ClassDescriptor cld,
                        Query query,
                        Logger logger)

Constructor for SqlDeleteByQuery.

Parameters:

cld -

Method Detail

buildStatement

protected String buildStatement()

Description copied from class: SqlQueryStatement

Build the SQL String.

Specified by:

buildStatement in class SqlQueryStatement

Returns:

SQL String

See Also:

SqlQueryStatement.buildStatement()

getColName

protected String getColName(org.apache.ojb.broker.accesslayer.sql.SqlQueryStatement.TableAlias aTableAlias,
                            SqlHelper.PathInfo aPathInfo,
                            boolean translate)

Description copied from class: SqlQueryStatement

Answer the column name for alias and path info
if translate try to convert attribute name into column name otherwise use attribute name
if a FieldDescriptor is found for the attribute name the column name is taken from there prefixed with the alias (firstname -> A0.F_NAME).

Overrides:

getColName in class SqlQueryStatement