Re: 7.3.1 New install, large queries are slow

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От Josh Berkus
Тема Re: 7.3.1 New install, large queries are slow
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Msg-id web-2315724@davinci.ethosmedia.com
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Ответ на Re: 7.3.1 New install, large queries are slow  (Tom Lane <tgl@sss.pgh.pa.us>)
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Tom, Roman,

> I think more likely the issue is that your use of JOIN syntax is
> forcing
> Postgres into a bad plan.  MSSQL probably doesn't assign any semantic
> significance to the use of "a JOIN b" syntax as opposed to "FROM a,
> b"
> syntax.

That's correct.  MSSQL will reorder equijoins, even when explicitly
declared.

Hey, Roman, how many records in BatchDetail, anyway?

Josh Berkus

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