| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com> |
| Cc: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Re: [COMMITTERS] pgsql: Use LEFT JOINs in some system views in case referenced row doesn |
| Date: | 2016-09-09 17:59:24 |
| Message-ID: | 31254.1473443964@sss.pgh.pa.us |
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Fujii Masao <masao(dot)fujii(at)gmail(dot)com> writes:
> On Sat, Aug 20, 2016 at 6:13 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> Use LEFT JOINs in some system views in case referenced row doesn't exist.
> This change causes pg_stat_activity to report the "bogus" information about
> walsenders as follows.
Hmm ... but if we want to exclude walsenders from that view, surely we
should do so explicitly, not have it happen as a hidden side-effect
of not being able to join them to pg_database.
regards, tom lane
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