Re: temp table existence
От | Pavel Stehule |
---|---|
Тема | Re: temp table existence |
Дата | |
Msg-id | 162867790712300044w78a4e633kaccc5e9e4d15dd28@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: temp table existence (Erik Jones <erik@myemma.com>) |
Список | pgsql-sql |
Hello On 30/12/2007, Erik Jones <erik@myemma.com> wrote: > > On Dec 29, 2007, at 3:16 PM, Marcin Krawczyk wrote: > > > I just realized something... my bad. It will work since TRUNCATE > > removes only table from current session. > > If the table exists and you're going to TRUNCATE it before using it, > you could just use DROP TABLE IF EXISTS and then create it. I don't > know, that feels cleaner to me than TRUNCATEing a table that might > not be available to the session. > if you drop temp table in session, you lost all prepared statements related to table. before 8.3 it means runtime error, now only less efectivity. > Erik Jones > > Software Developer | Emma(R) > erik@myemma.com > 800.595.4401 or 615.292.5888 > 615.292.0777 (fax) > > Emma helps organizations everywhere communicate & market in style. > Visit us online at http://www.myemma.com > > >
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