Re: [HACKERS] Heh, the disappearing problem! - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: [HACKERS] Heh, the disappearing problem!
Date
Msg-id 199803092200.RAA08518@candle.pha.pa.us
Whole thread Raw
In response to Heh, the disappearing problem!  (Karl Denninger <karl@mcs.net>)
Responses Re: [HACKERS] Heh, the disappearing problem!
List pgsql-hackers
>
>
> Hi folks,
>
> Remember me?  Remember I was bitching about hashed and indexes scans not
> being indexed?
>
> Guess what - it magically fixed itself.
>
> If you want to talk about things that *bother* me, this one tops the pack.
>
> The same query now returns an index hash query plan, which executes in a few
> seconds and requires little memory (as opposed to looped sequential scans
> requiring 500MB on the server).
>
> This is really, really, odd.

Vacuum?  Vacuum analyze?  Improper index?

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