| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Yury Zhuravlev <u(dot)zhuravlev(at)postgrespro(dot)ru> |
| Cc: | pgsql-hackers(at)postgresql(dot)org, Tatsuo Ishii <ishii(at)postgresql(dot)org> |
| Subject: | Re: NOT EXIST for PREPARE |
| Date: | 2016-03-22 14:05:26 |
| Message-ID: | 20160322140526.GK3790@awork2.anarazel.de |
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| Thread: | |
| Lists: | pgsql-hackers |
On 2016-03-22 16:51:26 +0300, Yury Zhuravlev wrote:
> Andres Freund wrote:
> >you'd still need to compare the
> >statement somehow
>
> You right, I think about that as syntax sugar. Maybe with some performance
> increase but hardly. We can save on a round trip.
If anything what'd be useful would be DEALLOCATE IF EXISTS; that'd allow
you to use prepare safely this way.
> It may be necessary to add an index on the field "statement"?
It's not an actual table, it's a view over a function.
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