Re: index-only-scan when there is an index on all columns

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От David Rowley
Тема Re: index-only-scan when there is an index on all columns
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Msg-id CAKJS1f_yYOVGwchoX-VP7Hp0yOeCpk_BTyjq=Qyj+hvV5am6FQ@mail.gmail.com
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Ответ на Re: index-only-scan when there is an index on all columns  (Andres Freund <andres@anarazel.de>)
Ответы Re: index-only-scan when there is an index on all columns
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On 28 February 2018 at 11:11, Andres Freund <andres@anarazel.de> wrote:
> I'm fairly certain that only vacuum and table rewrites like cluster sets
> all-visible,

I don't think the pages are set all visible again after a rewrite.

-- 
 David Rowley                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services

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