* Alvaro Herrera (alvhe...@2ndquadrant.com) wrote: > Amit Kapila escribió: > > 3. postgresql.conf will contain include directive in below form: > > #include = 'postgresql.auto.conf' > > Whenever user wants to use Alter System, he needs to enable it > > after first time using ALTER SYSTEM. > > This seems wrong to me. If the auto file is read by an include line in > postgresql.conf, what is its priority w.r.t. files placed in an > hypothetical conf.d directory?
This could be handled by a simple ordering with "last one wins". I
don't particularly like that though.. My gut feeling is that I'd like
something to complain if there's more than one value set for the same
GUC..
> Hopefully snippets put in conf.d/ by
> puppet/chef will override the settings in postgresql.conf (i.e. conf.d/
> should be processed after postgresql.conf, not before); and hopefully
> ALTER SYSTEM will in turn override conf.d. I see no way to have ALTER
> SYSTEM handled by an include line, yet still have it override conf.d.
With includedir and include directives, and postgresql.conf setting a
defined ordering, with last-wins, you could simply have the 'includedir'
for conf.d come before the 'include' for auto.conf.
> If we want to make ALTER SYSTEM disable-able from postgresql.conf, I
> think it should be an explicit option, something like
> enable_alter_system = on
> or something like that.
I really don't like this approach- I'd much rather we have a general
include mechanism than special "alter-system" GUCs.
Thanks,
Stephen
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