Bug 124985 Data set component returns no rows for the JDBC driver
data/org.eclipse.birt.report.data.oda.jdbc/src/org/eclipse/birt/report/data/oda/jdbc/Statement.java
if ( preStat != null )
			{
				
				this.preStat.close( );
			}
		}
		catch ( SQLException e )
		{
			throw new JDBCException( ResourceConstants.PREPAREDSTATEMENT_CANNOT_CLOSE , e );
		}
		this.cachedResultMetaData = null;
		this.cachedResultSet = null;
	}
	/*
	 * @see org.eclipse.datatools.connectivity.IQuery#setMaxRows(int)
	 */
	public void setMaxRows( int max )
	{
		logger.logp( java.util.logging.Level.FINE,
				Statement.class.getName( ),
				"setMaxRows",
				"Statement.setMaxRows( " + max + " )" );
		if ( max != maxrows && max >= 0 )
		{
			maxrows = max;
			maxRowsUpToDate = false;
		}
	}
	/*
	 * @see org.eclipse.datatools.connectivity.IQuery#getMaxRows()