Re: COPY FROM STDIN instead of INSERT
От
Ilja Golshtein
Тема
Re: COPY FROM STDIN instead of INSERT
Дата
Msg-id
45362213.000001.30844@tide.yandex.ru
Ответ на
Re: COPY FROM STDIN instead of INSERT (Martijn van Oosterhout)
Список
Дерево обсуждения
COPY FROM STDIN instead of INSERT "Ilja Golshtein" <ilejn@yandex.ru>
Re: COPY FROM STDIN instead of INSERT Shane Ambler <pgsql@007Marketing.com>
Re: COPY FROM STDIN instead of INSERT "Ilja Golshtein" <ilejn@yandex.ru>
Re: COPY FROM STDIN instead of INSERT Shane Ambler <pgsql@007Marketing.com>
Re: COPY FROM STDIN instead of INSERT "Ilja Golshtein" <ilejn@yandex.ru>
Re: COPY FROM STDIN instead of INSERT Martijn van Oosterhout <kleptog@svana.org>
Re: COPY FROM STDIN instead of INSERT "Ilja Golshtein" <ilejn@yandex.ru>
Re: COPY FROM STDIN instead of INSERT "Merlin Moncure" <mmoncure@gmail.com>
Re: COPY FROM STDIN instead of INSERT Ron Johnson <ron.l.johnson@cox.net>
Re: COPY FROM STDIN instead of INSERT "Merlin Moncure" <mmoncure@gmail.com>
Re: COPY FROM STDIN instead of INSERT Ron Johnson <ron.l.johnson@cox.net>
Re: COPY FROM STDIN instead of INSERT Alvaro Herrera <alvherre@commandprompt.com>
Re: COPY FROM STDIN instead of INSERT "Merlin Moncure" <mmoncure@gmail.com>
Re: COPY FROM STDIN instead of INSERT Shane Ambler <pgsql@007Marketing.com>
Re: COPY FROM STDIN instead of INSERT Casey Duncan <casey@pandora.com>
Re: COPY FROM STDIN instead of INSERT "Ilja Golshtein" <ilejn@yandex.ru>
Re: COPY FROM STDIN instead of INSERT "Merlin Moncure" <mmoncure@gmail.com>
>The reason why copy is faster is because it doesn't have to >parse/plan/execute all the queries. In exchange you can't use >expressions or joins to fill the table, only raw data. In other words, COPY has no hidden catches, and I should go with it and don't worry. Correct interpretation? ;) >Binary may be slightly faster because the datum parsing can be >partially skipped, but that's hardly much benefit over a text copy. I know example where it is up to three times faster. It depends on data. -- Best regards Ilja Golshtein
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