Re: Performance issue on temporary relations

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От 章晨曦
Тема Re: Performance issue on temporary relations
Дата
Msg-id tencent_09C7F95D15C3704D34085BC7@qq.com
обсуждение исходный текст
Ответ на Re: Performance issue on temporary relations  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: Performance issue on temporary relations
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> I do not think this is something we ought to consider.  It might help
> certain corner use-cases, but it's probably a net loss for most.
> In particular, I don't think that creating thousands of temp tables in
> a session but then touching only a few of them in any one transaction
> is a very plausible usage pattern.

Acturely, we just facing such problem in some real systems. More than 3,700
temporary tables created! I accept such case is not that common, but it does exist.

Regards,
Jet

Halo Tech (www.halodbtech.com)
openHalo (www.openhalo.org)

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