Re: Bind message
От | Guy Rouillier |
---|---|
Тема | Re: Bind message |
Дата | |
Msg-id | D4D1632DC736E74AB95FE78CD609007923B0F9@mtxexch01.add0.masergy.com обсуждение исходный текст |
Ответ на | Re: Bind message (Kris Jurka <books@ejurka.com>) |
Список | pgsql-jdbc |
Kris Jurka wrote: > On Mon, 25 Sep 2006, Guy Rouillier wrote: > >> Dave Cramer wrote: >>> >>> The default is not to re-use statements, you have add >>> prepareThreshold=n to the url where n is greater than 0. What this >>> means is that after n times of use the prepared statement will be >>> re-used.. >> >> That's peculiar. The whole point of prepared statements is to obtain >> the optimization of statement reuse. > > we want to be sure that people will actually be reusing these > statements before switching to this mode. I believe the default > prepareThreshold is set to 5 despite what the documentation says. If true, that's a good compromise. It addresses the use of prepared statements for purposes other than optimization that both you and Mark mention, but doesn't unwittingly bite the programmer who has a statement he intends to execute 1000 times and tries to do the right thing by using a prepared statement. -- Guy Rouillier
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