From: | Mark Kirkwood <mark(dot)kirkwood(at)catalyst(dot)net(dot)nz> |
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To: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
Cc: | pgsql-bugs <pgsql-bugs(at)postgresql(dot)org> |
Subject: | Re: Alter system and reload causes bogus complaints about setting changes |
Date: | 2014-07-04 05:54:40 |
Message-ID: | 53B641A0.3030603@catalyst.net.nz |
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Lists: | pgsql-bugs |
On 04/07/14 15:11, Amit Kapila wrote:
>
> True, but as I explained in that thread as well that this is an
> existing behaviour which is also visible via Alter System, so
> changing an existing mechanism requires non-trivial fix (eliminating
> duplicate entries during processing of config file) which I think
> can be risky doing at this time in terms of impact, however we
> can try to minimise the inconvenience user can face due to this feature.
>
However the existence of ALTER SYSTEM has made the likelihood of this
error much more likely, and also more confusing. Previously users *knew*
they were editing an additional include conf file or similar so the
advice 'eliminate clashes' was fine - the new functionality hides this
(which is great) but obfuscates the error and makes the error message
wrong (not so good). So some additional clarification is really required.
I have just had a similar conversation with some people here about ALTER
SYSTEM in 9.4 - they *loved* the feature, but were bemused (at the very
least) by the error message.
Regards
Mark
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