Re: Prepare Statement
От | Jie Liang |
---|---|
Тема | Re: Prepare Statement |
Дата | |
Msg-id | E7E213858379814A9AE48CA6754F5ECB034519E6@mail01.stbernard.com обсуждение исходный текст |
Ответ на | Prepare Statement ("Jie Liang" <jie@stbernard.com>) |
Список | pgsql-jdbc |
Does plperl catch the plan also? Thanks. Jie Liang -----Original Message----- From: Kris Jurka [mailto:books@ejurka.com] Sent: Friday, June 18, 2004 2:47 PM To: Jie Liang Cc: pgsql-sql@postgresql.org; pgsql-jdbc@postgresql.org Subject: Re: [JDBC] Prepare Statement On Fri, 18 Jun 2004, Jie Liang wrote: > However, I am still thinking if I call one SELECT and one DELECT and > one UPDATE and one INSERT a thousand times against same table with > different arguments, should I consider performance iusse? Right, this is a case where some benefits can be found, but remember the premature optimization adage. > > Secondly, I assume the function should be a pre-compiled object stored > on server side, doesn't it. > I depends on the language the function is written. plpgsql caches plans, but not all procedural languages do. Kris Jurka ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faqs/FAQ.html
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