Re: Reporting the commit LSN at commit time

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От Alvaro Herrera
Тема Re: Reporting the commit LSN at commit time
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Msg-id 20140818172044.GB6817@eldon.alvh.no-ip.org
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Ответ на Re: Reporting the commit LSN at commit time  (Robert Haas <robertmhaas@gmail.com>)
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Robert Haas wrote:

> Moreover, even if somebody is (rather oddly, IMV) checking for
> command_tag == "COMMIT", it's not going to be a difficult change to
> check for command_tag == "COMMIT" or substr(command_tag,0,7) ==
> "COMMIT ".  That's a level of incompatibility that would certainly
> deserve mention in the release notes, but it doesn't seem worth
> worrying more about than that.

I agree.  If an application fails its test for a new major PG release
because the received command tag is no longer identical to "COMMIT",
it's not going to be a subtle failure --- people are going to notice
pretty much immediately, I expect.

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



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