Re: Start With... Connect By?
| От | Thomas Kellerer |
|---|---|
| Тема | Re: Start With... Connect By? |
| Дата | |
| Msg-id | h3ejtp$rd4$1@ger.gmane.org обсуждение исходный текст |
| Ответ на | Start With... Connect By? ("Philippe Lang" <philippe.lang@attiksystem.ch>) |
| Ответы |
Re: Start With... Connect By?
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| Список | pgsql-general |
Philippe Lang, 13.07.2009 08:05: > Hi, > > Now that Postgresql 8.4 has a "WITH RECURSIVE" operator (thanks! :)), is > there a chance we can see one day "START WITH... CONNECT BY" in > Postgresql, or is that something 100% oracle-specific? START WITH is Oracle specific whereas recursive CTEs are an ANSI Standard (supported by PostgreSQL, Firebird and SQL Server). As far as I can tell anything you can do with CONNECT BY can be done with WITH RECURSIVE (including ORDER SIBLINGS BY), it'sjust a bit more "noise" because you need to write more stuff (I wish the ANSI standard had adopted the CONNECT BY, it'sreally very elegant) Thomas
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