Re: [HACKERS] subselect and optimizer

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От Bruce Momjian
Тема Re: [HACKERS] subselect and optimizer
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Msg-id 199804102108.RAA05050@candle.pha.pa.us
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Ответ на Re: [HACKERS] subselect and optimizer  ("Boersenspielteam" <boersenspiel@vocalweb.de>)
Ответы Re: [HACKERS] subselect and optimizer  ("Boersenspielteam" <boersenspiel@vocalweb.de>)
Список pgsql-hackers
>
> Hi,
>
> Vadim helped me with the patch for my query.
>
> But this patch still didn't help for a simple join without a where
> clause. The query plan says it uses two sequential scans, where 6.2.1
> uses two index scans.
>
> Strange stuff.
>
> Seems like more than one problem it the optimizer code ...
>

But we didn't have subselcts in 6.2.1?

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