On Wednesday, February 20, 2019, Peter Eisentraut <
peter.eisentr...@2ndquadrant.com> wrote:

> Nowadays there are a number of methods for composing multiple
> postgresql.conf files for modularity.  But if you have a bunch of things
> you want to load via shared_preload_libraries, you have to put them all
> in one setting.  How about some kind of syntax for appending something
> to a list, like
>
>     shared_preload_libraries += 'pg_stat_statements'
>

I would rather just have the behavior for that variable “append mode”,
period.  Maybe do it generally for all multi-value variables.  It would be
like “add only” permissions - if you don’t want something loaded it cannot
be specified ever, overwrite is not allowed.  Get rid of any
order-of-operations concerns.

David J.

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