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author | Tom Lane <tgl@sss.pgh.pa.us> | 2019-01-25 21:14:31 -0500 |
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committer | Tom Lane <tgl@sss.pgh.pa.us> | 2019-01-25 21:14:31 -0500 |
commit | c0aed6959541f1ce3930977c8cf8dd874308a1b5 (patch) | |
tree | a0afa76c95b855e8bf3818779a501568ad235766 /src/bin/psql/common.c | |
parent | 28868f77b6cb531fca376767c29c9767ac39f54b (diff) | |
download | postgresql-c0aed6959541f1ce3930977c8cf8dd874308a1b5.tar.gz postgresql-c0aed6959541f1ce3930977c8cf8dd874308a1b5.zip |
Allow UNLISTEN in hot-standby mode.
Since LISTEN is (still) disallowed, UNLISTEN must be a no-op in a
hot-standby session, and so there's no harm in allowing it. This
change allows client code to not worry about whether it's connected
to a primary or standby server when performing session-state-reset
type activities. (Note that DISCARD ALL, which includes UNLISTEN,
was already allowed, making it inconsistent to reject UNLISTEN.)
Per discussion, back-patch to all supported versions.
Shay Rojansky, reviewed by Mi Tar
Discussion: https://postgr.es/m/CADT4RqCf2gA_TJtPAjnGzkC3ZiexfBZiLmA-mV66e4UyuVv8bA@mail.gmail.com
Diffstat (limited to 'src/bin/psql/common.c')
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