SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function sipHash64 (children 1)
     ExpressionList (children 2)
      Function materialize (children 1)
       ExpressionList (children 1)
        Function tuple (children 1)
         ExpressionList
      Function materialize (children 1)
       ExpressionList (children 1)
        Function tuple (children 1)
         ExpressionList
