SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 5)
   ExpressionList (children 2)
    Function count (children 1)
     ExpressionList
    Identifier _file
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test
   ExpressionList (children 1)
    Identifier _file
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier _file
   Set
