SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function if (children 1)
     ExpressionList (children 3)
      Function equals (children 1)
       ExpressionList (children 2)
        Function modulo (children 1)
         ExpressionList (children 2)
          Identifier number
          Literal UInt64_5
        Literal UInt64_0
      Function toInt64OrZero (children 1)
       ExpressionList (children 1)
        Function toString (children 1)
         ExpressionList (children 1)
          Identifier number
      Literal NULL
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (children 1)
       ExpressionList (children 1)
        Literal UInt64_20