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 map (children 1)
         ExpressionList (children 4)
          Literal Array_[UInt64_0]
          Literal UInt64_1
          Literal Array_[UInt64_2]
          Literal UInt64_3