Re: SQL plan in functions
| От | A. Kretschmer |
|---|---|
| Тема | Re: SQL plan in functions |
| Дата | |
| Msg-id | 20081218092844.GA8458@a-kretschmer.de обсуждение |
| Ответ на | SQL plan in functions (Julius Tuskenis <julius.tuskenis@gmail.com>) |
| Ответы |
Re: SQL plan in functions
|
| Список | pgsql-general |
In response to Julius Tuskenis : > Hello, list. > > I have a function witch returns record set. What troubles me is that > depending on parameters I pass to this function the execution time > varies greatly. On the other hand if I execute the query (not the > function) with pgAdmin - it gives results quickly. > In previous post You helped me realize, that the problem was because the > function has only one plan of SQL inside no matter the parameters > values. Is there a way to order postgres to check the plan each time the > function is called? Sure, use EXECUTE 'your sql' inside the function to force the planner to generate a new plan depending on the current parameters. Regards, Andreas -- Andreas Kretschmer Kontakt: Heynitz: 035242/47150, D1: 0160/7141639 (mehr: -> Header) GnuPG-ID: 0x3FFF606C, privat 0x7F4584DA http://wwwkeys.de.pgp.net
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