SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function file (children 1)
       ExpressionList (children 1)
        Function concat (children 1)
         ExpressionList (children 2)
          Function database (children 1)
           ExpressionList
          Literal \'_test.csv\'
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier ALL
