Re: [PERFORM] Improving PostgreSQL insert performance

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От Alvaro Herrera
Тема Re: [PERFORM] Improving PostgreSQL insert performance
Дата
Msg-id 20170611123648.6hvwifreuyrmu2my@alvherre.pgsql
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Ответ на Re: [PERFORM] Improving PostgreSQL insert performance  (Vladimir Sitnikov <sitnikov.vladimir@gmail.com>)
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Vladimir Sitnikov wrote:
> Alvaro>Something like
> INSERT INTO .. VALUES ('col1', 'col2'), ('col1', 'col2'), ('col1', 'col2')>I
> did not
> Frits>try that, to be honest.
>
> pgjdbc does automatically rewrite insert values(); into insert ...
> values(),(),(),() when reWriteBatchedInserts=true. I don't expect manual
> multivalues to be noticeably faster there.

Ahh, so that's what that option does :-)  Nice to know -- great feature.

--
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


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