| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Stephen Frost <sfrost(at)snowman(dot)net>, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Ian Barwick <ian(dot)barwick(at)2ndquadrant(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [PATCH] Stop ALTER SYSTEM from making bad assumptions |
| Date: | 2019-08-05 19:07:33 |
| Message-ID: | 32103.1565032053@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> On Mon, Aug 5, 2019 at 2:42 PM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> I don't think we need to go on about it at great length, but it seems
>> to me that it'd be reasonable to point out that (a) you'd be well
>> advised not to touch the file while the postmaster is up, and (b)
>> last setting wins. Those things are equally true of postgresql.conf
>> of course, but I don't recall whether they're already documented.
> OK, fair enough.
Concretely, how about the attached?
(Digging around in config.sgml, I found that last-one-wins is stated,
but only in the context of one include file overriding another.
That's not *directly* a statement about what happens within a single
file, and it's in a different subsection anyway, so repeating the
info in 19.1.2 doesn't seem unreasonable.)
regards, tom lane
| Attachment | Content-Type | Size |
|---|---|---|
| doc-handling-of-config-file-dup-entries.patch | text/x-diff | 2.4 KB |
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