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9a7b7adc13
WAL senders sending logically-decoded data fail to properly report in "streaming" state when starting up, hence as long as one extra record is not replayed, such WAL senders would remain in a "catchup" state, which is inconsistent with the physical cousin. This can be easily reproduced by for example using pg_recvlogical and restarting the upstream server. The TAP tests have been slightly modified to detect the failure and strengthened so as future tests also make sure that a node is in streaming state when waiting for its catchup. Backpatch down to 9.4 where this code has been introduced. Reported-by: Sawada Masahiko Author: Simon Riggs, Sawada Masahiko Reviewed-by: Petr Jelinek, Michael Paquier, Vaishnavi Prabakaran Discussion: https://postgr.es/m/CAD21AoB2ZbCCqOx=bgKMcLrAvs1V0ZMqzs7wBTuDySezTGtMZA@mail.gmail.com
src/test/subscription/README
Regression tests for subscription/logical replication
=====================================================
This directory contains a test suite for subscription/logical replication.
Running the tests
=================
NOTE: You must have given the --enable-tap-tests argument to configure.
Run
make check
or
make installcheck
You can use "make installcheck" if you previously did "make install"
(including installing the hstore extension). In that case, the code
in the installation tree is tested. With "make check", a temporary
installation tree is built from the current sources and then tested.
Either way, this test initializes, starts, and stops several test Postgres
clusters.