anchor.diff:  
   // USE <KEYSPACE>;
   useStatement returns [String keyspace]
  -    : K_USE IDENT { $keyspace = $IDENT.text; } ';'
  +    : K_USE IDENT { $keyspace = $IDENT.text; } endStmnt
       ;
   
   /**
  
positive.code:       K_UPDATE IDENT
            (K_USING K_CONSISTENCY '.' K_LEVEL { cLevel = ConsistencyLevel.valueOf($K_LEVEL.text); })?
            K_WITH first=rowDef { $expr = new UpdateStatement($IDENT.text, first, cLevel); }
            (K_AND next=rowDef { $expr.and(next); })* ';'
      ;
  
  // TODO: date/time, utf8
  
negative.code:                       numColumns = count;
                }
            )*
            order=(K_ASC | K_DESC { reversed = true; })? endStmnt
        {
            return new SelectStatement($IDENT.text,
                                       cLevel,
  