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32d3ed816 added the "path" column to pg_backend_memory_contexts to allow a stable method of obtaining the parent MemoryContext of a given row in the view. Using the "path" column is now the preferred method of obtaining the parent row. Previously, any queries which were self-joining to this view using the "name" and "parent" columns could get incorrect results due to the fact that names are not unique. Here we aim to explicitly break such queries so that they can be corrected and use the "path" column instead. It is possible that there are more innocent users of the parent column that just need an indication of the parent and having to write out a self-joining CTE may be an unnecessary hassle for those cases. Let's remove the column for now and see if anyone comes back with any complaints. This does seem like a good time to attempt to get rid of the column as we still have around 1 year to revert this if someone comes back with a valid complaint. Plus this view is new to v14 and is quite niche, so perhaps not many people will be affected. Author: Melih Mutlu <m.melihmutlu@gmail.com> Discussion: https://postgr.es/m/CAGPVpCT7NOe4fZXRL8XaoxHpSXYTu6GTpULT_3E-HT9hzjoFRA@mail.gmail.com
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 (but see also below) examples/ Demonstration programs for libpq that double as regression tests via "make check" isolation/ Tests for concurrent behavior at the SQL level kerberos/ Tests for Kerberos/GSSAPI authentication and encryption ldap/ Tests for LDAP-based authentication 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