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The comparison with the target rows on the subscriber side was done with datumIsEqual(), which can have false negatives. For instance, it didn't work reliably for text columns. So use the equality operator provided by the type cache instead. Also add more user documentation about replica identity requirements. Reported-by: Tatsuo Ishii <ishii@sraoss.co.jp>
src/test/subscription/README
Regression tests for subscription/logical replication
=====================================================
This directory contains a test suite for subscription/logical replication.
Running the tests
=================
make check
NOTE: This creates a temporary installation, and some tests may
create one or multiple nodes, for the purpose of the tests.
NOTE: This requires the --enable-tap-tests argument to configure.