SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function multiIf (children 1)
     ExpressionList (children 3)
      Function equals (children 1)
       ExpressionList (children 2)
        Function modulo (children 1)
         ExpressionList (children 2)
          Function rand (children 1)
           ExpressionList
          Literal UInt64_2
        Literal UInt64_0
      Literal \'\'
      Literal \'\'
