SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function variantElement (children 1)
     ExpressionList (children 2)
      Function array (children 1)
       ExpressionList (children 1)
        Function array (children 1)
         ExpressionList (children 1)
          Function CAST (children 1)
           ExpressionList (children 2)
            Function if (children 1)
             ExpressionList (children 3)
              Function modulo (children 1)
               ExpressionList (children 2)
                Identifier number
                Literal UInt64_2
              Literal NULL
              Identifier number
            Literal \'Variant(String, UInt64)\'
      Literal \'UInt64\'
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (children 1)
       ExpressionList (children 1)
        Literal UInt64_4
