Bug 152443 Support boolean type in data set
Support boolean type in data set. It'll cause some data transform issue with absence of boolean type.
data/org.eclipse.birt.report.data.oda.jdbc/src/org/eclipse/birt/report/data/oda/jdbc/Statement.java
{
					preStat.setMaxRows( maxrows );
				}
				catch ( SQLException e1 )
				{
					
					
				}
				maxRowsUpToDate = true;
			}
			
			return new ResultSet( this.preStat.executeQuery( ) );
		}
		catch ( SQLException e )
		{
			throw new JDBCException( ResourceConstants.RESULTSET_CANNOT_RETURN , e );
		}
	}
	/*
	 * TODO: used by junit tests only;
	 * to be removed after update of tests
	 */
	public boolean execute( ) throws OdaException
	{
		logger.logp( java.util.logging.Level.FINE,
				Statement.class.getName( ),
				"execute",
				"Statement.execute( )" );
		assertNotNull( preStat );
		try