Le jeudi 29 août 2013 18:42:13 Stephen Frost a écrit : > On Thursday, August 29, 2013, Andres Freund wrote: > > If you don't want your installation to use it, tell you ops people not > > to do so. They are superusers, they need to have the ability to follow > > some rules you make up internally. > > The OPs people are the ones that will be upset with this because the DBAs > will be modifying configs which OPs rightfully claim as theirs. If they > have a way to prevent it then perhaps it's not terrible but they'd also > need to know to disable this new "feature". As for ALTER DATABASE- I would > be happier with encouraging use of that (or providing an ALTER CLUSTER) for > those thing it makes sense and works for and removing those from being in > postgresql.conf. I still feel things like listen_addresses shouldn't be > changed through this.
ALTER ROLE ALL may be good enougth to handle every GUC that we can also remove from postgresql.conf (I suppose all GUC needing only a reload, not a restart). It may needs some improvement to handle changing default for ALL and adding new role. > > The energy wasted in a good part of this massive 550+ messages thread is > > truly saddening. We all (c|sh)ould have spent that time making PG more > > awesome instead. > > Perhaps not understood by all, but keeping PG awesome involves more than > adding every feature proposed- it also means saying no sometimes; to > features, to new GUCs, even to micro-optimizations when they're overly > complicated and offer only minimal or questionable improvements. Agreed, the current feature and proposal does not include pg_reload, and it introduces a full machinery we absolutely don't need. Grammar can be added later when the feature is stable. So far, we can achieve the goal by using adminpack, by using a file_fdw or a config_fdw. IMHO it is the job of a FDW to be able to handle atomic write or anything like that. I've commented one of the proposed patch adding some helpers to validate GUC change, I claimed this part was good enough to be added without ALTER SYSTEM (so a contrib can use it). -- Cédric Villemain +33 (0)6 20 30 22 52 http://2ndQuadrant.fr/ PostgreSQL: Support 24x7 - Développement, Expertise et Formation
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