anchor.diff:  	|CHARSET EQ_OR_ASSIGN? charsetName
   	;
   	
  -collateClause:
  -	COLLATE ID
  -	;
  -	
   charsetName:
   	ID
   	|BINARY
  +	;
  +
  +collateClause:
  +	COLLATE ID
   	;
   
   characterAndCollateWithEqual:
  
positive.code: selectExpr:
  	bitExpr AS? alias?
  	;
  
  exprs:
   	expr (COMMA expr)*
   	;
negative.code:   	| IGNORE (INDEX|KEY) (FOR (JOIN|ORDER BY|GROUP BY))* idList
   	;
  	
  
  characterAndCollate:
  	characterSet
  