Re: Migration to version 7.4

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От
Bruce Momjian
Тема
Re: Migration to version 7.4
Дата
Msg-id
200312011553.hB1FrkL18549@candle.pha.pa.us
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Migration to version 7.4 Nabil Sayegh <postgresql@e-trolley.de>
Re: Migration to version 7.4 Bruce Momjian <pgman@candle.pha.pa.us>
Re: Migration to version 7.4 Nabil Sayegh <postgresql@e-trolley.de>
Re: Migration to version 7.4 Bruce Momjian <pgman@candle.pha.pa.us>
Re: Migration to version 7.4 Bruce Momjian <pgman@candle.pha.pa.us>
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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  pgman@candle.pha.pa.us               |  (610) 359-1001
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