SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   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)\'
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (children 1)
       ExpressionList (children 1)
        Literal UInt64_4
