Re: Migration to version 7.4 - Mailing list pgsql-novice

From Bruce Momjian
Subject Re: Migration to version 7.4
Date
Msg-id 200312011553.hB1FrkL18549@candle.pha.pa.us
Whole thread Raw
In response to Re: Migration to version 7.4  (Nabil Sayegh <postgresql@e-trolley.de>)
List 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 ;)

Nope, they should just be better.

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