code: public final void postAggLabel(PostAggItem postAggItem) throws RecognitionException {
  		Token id=null;
  
  		try {
  			// druidG.g:550:2: ( ( AS WS id= ID ) )
  			// druidG.g:550:4: ( AS WS id= ID )
  			{
  			// druidG.g:550:4: ( AS WS id= ID )
  			// druidG.g:550:5: AS WS id= ID
  			{
  			match(input,AS,FOLLOW_AS_in_postAggLabel3584); 
  			match(input,WS,FOLLOW_WS_in_postAggLabel3586); 
  			id=(Token)match(input,ID,FOLLOW_ID_in_postAggLabel3590); 
  			}
  
  			postAggItem.name = (id!=null?id.getText():null);
  			}
  
  		}
  		catch (RecognitionException re) {
  			reportError(re);
  			recover(input,re);
  		}
  		finally {
  			// do for sure before leaving
  		}
  	}
docs: druidG.g:549:1: postAggLabel[PostAggItem postAggItem] : ( AS WS id= ID ) ;