Re: REINDEX blocks virtually any queries but some prepared queries.

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От Frédéric Yhuel
Тема Re: REINDEX blocks virtually any queries but some prepared queries.
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Msg-id c85da18d-7a86-6b2c-91cc-edb9ec90ce88@dalibo.com
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Ответ на Re: REINDEX blocks virtually any queries but some prepared queries.  (Justin Pryzby <pryzby@telsasoft.com>)
Ответы Re: REINDEX blocks virtually any queries but some prepared queries.  (Guillaume Lelarge <guillaume@lelarge.info>)
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On 4/7/22 14:40, Justin Pryzby wrote:
> On Thu, Apr 07, 2022 at 01:37:57PM +0200, Frédéric Yhuel wrote:
>> Maybe something along this line? (patch attached)
> Some language fixes.

Thank you Justin! I applied your fixes in the v2 patch (attached).

> I didn't verify the behavior, but +1 to document the practical consequences.
> I guess this is why someone invented REINDEX CONCURRENTLY.
> 

Indeed ;) That being said, REINDEX CONCURRENTLY could give you an 
invalid index, so sometimes you may be tempted to go for a simpler 
REINDEX, especially if you believe that the SELECTs won't be blocked.
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