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.data/src/org/eclipse/birt/data/engine/odaconsumer/ResultSet.java
* fetched from this <code>ResultSet</code>.
	 * @param max	the maximum number of <code>IResultObjects</code> that can be 
	 *				fetched; 0 means no limit.
	 * @throws DataException	if data source error occurs.
	 */
	public void setMaxRows( int max ) throws DataException
	{
	    final String methodName = "setMaxRows";
		try
		{
			m_resultSet.setMaxRows( max );
		}
		catch( OdaException ex )
		{
		    sm_logger.logp( Level.SEVERE, sm_className, methodName,
		            		"Cannot set max rows.", ex );
			throw new DataException( ResourceConstants.CANNOT_SET_MAX_ROWS, ex );
		}
		catch( UnsupportedOperationException ex )
		{
		    sm_logger.logp( Level.WARNING, sm_className, methodName,
		            		"Cannot set max rows.", ex );
		}
	}
	
	/**
	 * Returns the IResultObject representing the next row in the result set.
	 * @return 	the IResultObject representing the next row; null if there are 
	 * 			no more rows available or if max rows limit has been reached.
	 * @throws DataException	if data source error occurs.