Re: Limits of SQL
| От | Joachim Zobel |
|---|---|
| Тема | Re: Limits of SQL |
| Дата | |
| Msg-id | 1117914805.4405.16.camel@localhost обсуждение исходный текст |
| Ответ на | Re: Limits of SQL (Bruno Wolff III <bruno@wolff.to>) |
| Ответы |
Re: Limits of SQL
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| Список | pgsql-general |
Am Samstag, den 04.06.2005, 07:38 -0500 schrieb Bruno Wolff III: > On Sat, Jun 04, 2005 at 11:31:02 +0200, > Joachim Zobel <jzobel@heute-morgen.de> wrote: > > > > ... And it seems that > > a plain SELECT that tells me if a path exists is not possible... > > When 'WITH' gets implemented then you should be able to do this. I think > there was some recent talk about that, but I don't know if it is going to > make it in to 8.1. We'll know in about a month though. So WITH will allow recursion so I can walk the graph, right? Does this mean I can recursively join until a terminating condition is reached? Sincerely, Joachim
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