SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function hex (children 1)
     ExpressionList (children 1)
      Function sipHash128Keyed (children 1)
       ExpressionList (children 2)
        Function tuple (children 1)
         ExpressionList (children 2)
          Function CAST (children 1)
           ExpressionList (children 2)
            Literal \'1\'
            Literal \'UInt64\'
          Function CAST (children 1)
           ExpressionList (children 2)
            Literal \'2\'
            Literal \'UInt64\'
        Function array (children 1)
         ExpressionList