SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function in (children 1)
     ExpressionList (children 2)
      Function cityHash64 (children 1)
       ExpressionList (children 1)
        Literal \'abc\'
      Function cityHash64 (children 1)
       ExpressionList (children 1)
        Literal \'abc\'
