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When a partition is created as part of a trigger processing, it is possible that the partition which just gets created changes the properties of the table the executor of the ongoing command relies on, causing a subsequent crash. This has been found possible when for example using a BEFORE INSERT which creates a new partition for a partitioned table being inserted to. Any attempt to do so is blocked when working on a partition, with regression tests added for both CREATE TABLE PARTITION OF and ALTER TABLE ATTACH PARTITION. Reported-by: Dmitry Shalashov Author: Amit Langote Reviewed-by: Michael Paquier, Tom Lane Discussion: https://postgr.es/m/15437-3fe01ee66bd1bae1@postgresql.org Backpatch-through: 10
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