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/PreparedStatement.java
try
		{
			m_statement.setSortSpec( sortBy );
		}
		catch( OdaException ex )
		{
			sm_logger.logp( Level.SEVERE, sm_className, methodName, 
							"Cannot set sort spec.", ex );
			
			throw new DataException( ResourceConstants.CANNOT_SET_SORT_SPEC, ex );
		}
		catch( UnsupportedOperationException ex )
		{
			sm_logger.logp( Level.SEVERE, sm_className, methodName, 
							"Cannot set sort spec.", ex );
			throw new DataException( ResourceConstants.CANNOT_SET_SORT_SPEC, ex );
		}
		
		sm_logger.exiting( sm_className, methodName );
	}
	
	private ArrayList getSortSpecsList()
	{
		if( m_sortSpecs == null )
			m_sortSpecs = new ArrayList();
		
		return m_sortSpecs;
	}
	
	/**