Fujii Masao <[email protected]> writes:
> On Sat, Aug 20, 2016 at 6:13 AM, Tom Lane <[email protected]> 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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