Re: Minor bug affecting ON CONFLICT lock wait log messages

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От Alvaro Herrera
Тема Re: Minor bug affecting ON CONFLICT lock wait log messages
Дата
Msg-id 20160315151626.GA284371@alvherre.pgsql
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Ответ на Re: Minor bug affecting ON CONFLICT lock wait log messages  (Stephen Frost <sfrost@snowman.net>)
Ответы Re: Minor bug affecting ON CONFLICT lock wait log messages  (Stephen Frost <sfrost@snowman.net>)
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Stephen Frost wrote:
> * Julien Rouhaud (julien.rouhaud@dalibo.com) wrote:

> XLTW_InsertIndexUnique is used when building a unique index, but this is
> just a check, and more to the point, it's actually a re-check of what
> we're doing in nbinsert.c where we're already using XLTW_InsertIndex.
> 
> We wouldn't want to end up returning different error messages for the
> same command under the same conditions just based, which is what we'd
> potentially end up doing if we used XLTW_InsertIndexUnique here.

Perhaps we need a new value in that enum, so that the context message is
specific to the situation at hand?

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



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