Re: Re: ALTER SYSTEM SET command to change postgresql.conf parameters (RE: Proposal for Allow postgresql.conf values to be changed via SQL [review])

From: Dimitri Fontaine <dimitri(at)2ndQuadrant(dot)fr>
To: Greg Stark <stark(at)mit(dot)edu>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Bruce Momjian <bruce(at)momjian(dot)us>, Andres Freund <andres(at)2ndquadrant(dot)com>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Amit Kapila <amit(dot)kapila(at)huawei(dot)com>, pgsql-hackers(at)postgresql(dot)org, Josh Berkus <josh(at)agliodbs(dot)com>
Subject: Re: Re: ALTER SYSTEM SET command to change postgresql.conf parameters (RE: Proposal for Allow postgresql.conf values to be changed via SQL [review])
Date: 2013-08-06 09:14:33
Message-ID: m2k3jz5gg6.fsf@2ndQuadrant.fr
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Greg Stark <stark(at)mit(dot)edu> writes:
> set it too large. Or if I set multiple settings together and you set
> one of them you'll undo my change and lose just part of my changes but
> not stop me from setting the others inconsistently.

So we need to be able to change more than one setting in a single
command and have a lock around the whole command, or maybe have ALTER
SYSTEM SET run in a transaction.

--
Dimitri Fontaine
http://2ndQuadrant.fr PostgreSQL : Expertise, Formation et Support

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