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When BUFFERS option is enabled, EXPLAIN command includes the information on buffer usage during each plan node, in its output. In addition to that, this commit makes EXPLAIN command include also the information on buffer usage during planning phase, in its output. This feature makes it easier to discern the cases where lots of buffer access happen during planning. This commit revives the original commit ed7a509571 that was reverted by commit 19db23bcbd. The original commit had to be reverted because it caused the regression test failure on the buildfarm members prion and dory. But since commit c0885c4c30 got rid of the caues of the test failure, the original commit can be safely introduced again. Author: Julien Rouhaud, slightly revised by Fujii Masao Reviewed-by: Justin Pryzby Discussion: https://postgr.es/m/16109-26a1a88651e90608@postgresql.org
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