SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function if (children 1)
     ExpressionList (children 3)
      Function modulo (children 1)
       ExpressionList (children 2)
        Identifier number
        Literal UInt64_5
      Literal NULL
      Function toFixedString (children 1)
       ExpressionList (children 2)
        Function toString (children 1)
         ExpressionList (children 1)
          Function plus (children 1)
           ExpressionList (children 2)
            Identifier number
            Literal UInt64_10
        Literal UInt64_2
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (children 1)
       ExpressionList (children 1)
        Literal UInt64_20
