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match_clause_to_partition_key failed to consider COERCION_PATH_ARRAYCOERCE cases in scalar-op-array expressions, so it was possible to crash the server easily. To handle this case properly (ie. prune partitions) we would need to run a bit of executor code during planning. Maybe it can be improved, but for now let's just not crash. Add a test case that used to trigger the crash. Author: Michaël Paquier match_clause_to_partition_key failed to indicate that operators that don't have a commutator in a btree opclass are unsupported. It is possible for this to cause a crash later if such an operator is used in a scalar-op-array expression. Add a test case that used to the crash. Author: Amit Langote One caller of gen_partprune_steps_internal in match_clause_to_partition_key was too optimistic about the former never returning an empty step list. Rid it of its innocence. (Having fixed the bug above, I no longer know how to exploit this, so no test case for it, but it remained a bug.) Revise code flow a little bit, for succintness. Author: Álvaro Herrera Reported-by: Marina Polyakova Reviewed-by: Michaël Paquier Reviewed-by: Amit Langote Reviewed-by: Álvaro Herrera Discussion: https://postgr.es/m/ff8f9bfa485ff961d6bb43e54120485b@postgrespro.ru
PostgreSQL tests ================ This directory contains a variety of test infrastructure as well as some of the tests in PostgreSQL. Not all tests are here -- in particular, there are more in individual contrib/ modules and in src/bin. Not all these tests get run by "make check". Check src/test/Makefile to see which tests get run automatically. authentication/ Tests for authentication examples/ Demonstration programs for libpq that double as regression tests via "make check" isolation/ Tests for concurrent behavior at the SQL level locale/ Sanity checks for locale data, encodings, etc mb/ Tests for multibyte encoding (UTF-8) support modules/ Extensions used only or mainly for test purposes, generally not suitable for installing in production databases perl/ Infrastructure for Perl-based TAP tests recovery/ Test suite for recovery and replication regress/ PostgreSQL's main regression test suite, pg_regress ssl/ Tests to exercise and verify SSL certificate handling subscription/ Tests for logical replication thread/ A thread-safety-testing utility used by configure