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ruleutils.c blindly printed the user-given alias (or nothing if there hadn't been one) for the target table of INSERT/UPDATE/DELETE queries. That works a large percentage of the time, but not always: for queries appearing in WITH, it's possible that we chose a different alias to avoid conflict with outer-scope names. Since the chosen alias would be used in any Var references to the target table, this'd lead to an inconsistent printout with consequences such as dump/restore failures. The correct logic for printing (or not) a relation alias was embedded in get_from_clause_item. Factor it out to a separate function so that we don't need a jointree node to use it. (Only a limited part of that function can be reached from these new call sites, but this seems like the cleanest non-duplicative factorization.) In passing, I got rid of a redundant "\d+ rules_src" step in rules.sql. Initial report from Jonathan Katz; thanks to Vignesh C for analysis. This has been broken for a long time, so back-patch to all supported branches. Discussion: https://postgr.es/m/e947fa21-24b2-f922-375a-d4f763ef3e4b@postgresql.org Discussion: https://postgr.es/m/CALDaNm1MMntjmT_NJGp-Z=xbF02qHGAyuSHfYHias3TqQbPF2w@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