From: | Chapman Flack <chap(at)anastigmatix(dot)net> |
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To: | Joe Conway <mail(at)joeconway(dot)com>, Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: list append syntax for postgresql.conf |
Date: | 2019-02-20 16:16:51 |
Message-ID: | 5d7f20e3-aa67-cf7c-2996-0f2a58250ee1@anastigmatix.net |
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Lists: | pgsql-hackers |
On 2/20/19 10:54 AM, Joe Conway wrote:
>> shared_preload_libraries += 'pg_stat_statements'
>
> I like the idea, but presume it would apply to any GUC list, not just
> shared_preload_libraries?
It would be nice if there were some way for extensions to declare
GUC lists (the very thing that recently became explicitly unsupported).
The difficulty seems to be that a GUC may be assigned before the
extension has been loaded to determine whether list syntax should apply.
Could a change like this improve that situation too, perhaps by
deciding that += syntax /implies/ that an as-yet-undeclared GUC is
to be of list form (which could then be checked when the extension
declares the GUC)?
-Chap
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