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The restriction that only tables and views can be locked by LOCK TABLE is quite arbitrary, since the underlying mechanism can lock any relation type. Drop the restriction so that programs such as pg_dump can lock all relations they're interested in, preventing schema changes that could cause a dump to fail after expending much effort. Backpatch to 9.5. Author: Álvaro Herrera <alvherre@alvh.no-ip.org> Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us> Reported-by: Wells Oliver <wells.oliver@gmail.com> Discussion: https://postgr.es/m/20201021200659.GA32358@alvherre.pgsql
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. 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 thread/ A thread-safety-testing utility used by configure