pgsql: Defend against unsupported partition relkind in logical replicat

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От Tom Lane
Тема pgsql: Defend against unsupported partition relkind in logical replicat
Дата
Msg-id E1oqGcp-0007y1-K8@gemulon.postgresql.org
обсуждение исходный текст
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Defend against unsupported partition relkind in logical replication worker.

Since partitions can be foreign tables not only plain tables, but
logical replication only supports plain tables, we'd better check the
relkind of a partition after we find it.  (There was some discussion
of checking this when adding a partitioned table to a subscription;
but that would be inadequate since the troublesome partition could be
added later.)  Without this, the situation leads to a segfault or
assertion failure.

In passing, add a separate variable for the target Relation of
a cross-partition UPDATE; reusing partrel seemed mighty confusing
and error-prone.

Shi Yu and Tom Lane, per report from Ilya Gladyshev.  Back-patch
to v13 where logical replication into partitioned tables became
a thing.

Discussion: https://postgr.es/m/6b93e3748ba43298694f376ca8797279d7945e29.camel@gmail.com

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/be541efbfd11c4339222935899989d9c65737ac6

Modified Files
--------------
src/backend/replication/logical/worker.c | 20 +++++++++++++++++---
1 file changed, 17 insertions(+), 3 deletions(-)


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