| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Nabil Sayegh <postgresql(at)e-trolley(dot)de> |
| Cc: | pgsql-novice <pgsql-novice(at)postgresql(dot)org> |
| Subject: | Re: Migration to version 7.4 |
| Date: | 2003-12-01 15:54:05 |
| Message-ID: | 200312011554.hB1Fs5A18673@candle.pha.pa.us |
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| Lists: | pgsql-novice |
Nabil Sayegh wrote:
> Bruce Momjian wrote:
> >>1) Inner joins using the explicit JOIN syntax may behave differently
> >>because they are now better optimized.
> >>
> >>What exactly do you mean by 'may behave differently'?
> >
> >
> > They will be fully optimized, so they might be faster. In pre-7.4, ANSI
> > syntax restricted the choices researched by the optimizer.
>
> That's fine, but more important to me is if I need to change any queries in
> my apps ;)
I mean they should just run better.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
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