org.exolab.castor.jdo.drivers
Class DB2QueryExpression

java.lang.Object
  extended by org.exolab.castor.jdo.drivers.JDBCQueryExpression
      extended by org.exolab.castor.jdo.drivers.DB2QueryExpression
All Implemented Interfaces:
QueryExpression

public final class DB2QueryExpression
extends JDBCQueryExpression

QueryExpression for DB2.

Version:
$Revision: 1.3 $ $Date: 2004/09/08 09:37:54 $
Author:
Assaf Arkin

Nested Class Summary
 
Nested classes/interfaces inherited from class org.exolab.castor.jdo.drivers.JDBCQueryExpression
JDBCQueryExpression.Join
 
Field Summary
 
Fields inherited from class org.exolab.castor.jdo.drivers.JDBCQueryExpression
_cols, _conds, _dbInfo, _distinct, _factory, _joins, _limit, _offset, _order, _select, _tables, _where
 
Fields inherited from interface org.exolab.castor.persist.spi.QueryExpression
OpBetween, OpBetweenAnd, OpEquals, OpGreater, OpGreaterEquals, OpLess, OpLessEquals, OpLike, OpNotEquals, OpNotLike
 
Constructor Summary
DB2QueryExpression(PersistenceFactory factory)
           
 
Method Summary
 java.lang.String getStatement(boolean lock)
          Creates a SQL statement.
 boolean isLimitClauseSupported()
          Provides a default implementation of QueryExpression.isLimitClauseSupported().
 
Methods inherited from class org.exolab.castor.jdo.drivers.JDBCQueryExpression
addColumn, addCondition, addInnerJoin, addInnerJoin, addInnerJoin, addInnerJoin, addLimitClause, addOffsetClause, addOrderClause, addOuterJoin, addOuterJoin, addOuterJoin, addOuterJoin, addParameter, addSelect, addTable, addTable, addWhereClause, addWhereClause, clone, encodeColumn, getColumnList, getStandardStatement, isOffsetClauseSupported, setDbMetaInfo, setDistinct, toString
 
Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

DB2QueryExpression

public DB2QueryExpression(PersistenceFactory factory)
Method Detail

getStatement

public java.lang.String getStatement(boolean lock)
Description copied from class: JDBCQueryExpression
Creates a SQL statement. In general, for a RDBMS/JDBC driver with a full support of the SQL standard/JDBC specification, this will return a valid SQL statement. For some features, a particular RDBMS might indicate that it does not support this feature by throwing a .

Specified by:
getStatement in interface QueryExpression
Overrides:
getStatement in class JDBCQueryExpression
Parameters:
lock - True if a write lock is required
Returns:
The SQL statement

isLimitClauseSupported

public boolean isLimitClauseSupported()
Description copied from class: JDBCQueryExpression
Provides a default implementation of QueryExpression.isLimitClauseSupported().

Specified by:
isLimitClauseSupported in interface QueryExpression
Overrides:
isLimitClauseSupported in class JDBCQueryExpression
Returns:
false to indicate that this feature is not supported by default.
See Also:
QueryExpression.isLimitClauseSupported()


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