pgsql: Add test coverage for "unchanged toast column" replication code

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: pgsql-committers(at)lists(dot)postgresql(dot)org
Subject: pgsql: Add test coverage for "unchanged toast column" replication code
Date: 2019-11-22 17:52:53
Message-ID: E1iYD6z-0003LD-GN@gemulon.postgresql.org
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Add test coverage for "unchanged toast column" replication code path.

It seems pretty unacceptable to have no regression test coverage
for this aspect of the logical replication protocol, especially
given the bugs we've found in related code.

Discussion: https://postgr.es/m/16129-a0c0f48e71741e5f@postgresql.org

Branch
------
REL_11_STABLE

Details
-------
https://git.postgresql.org/pg/commitdiff/785206afdf1fed6358ed3893cdb1e7b581dde40d

Modified Files
--------------
src/test/subscription/t/001_rep_changes.pl | 31 +++++++++++++++++++++++++++++-
1 file changed, 30 insertions(+), 1 deletion(-)

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