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Some replication slot manipulations (logical decoding via SQL, advancing) were failing an assertion when releasing a slot in single-user mode, because active_pid was not set in a ReplicationSlot when its slot is acquired. ReplicationSlotAcquire() has some logic to be able to work with the single-user mode. This commit sets ReplicationSlot->active_pid to MyProcPid, to let the slot-related logic fall-through, considering the single process as the one holding the slot. Some TAP tests are added for various replication slot functions with the single-user mode, while on it, for slot creation, drop, advancing, copy and logical decoding with multiple slot types (temporary, physical vs logical). These tests are skipped on Windows, as direct calls of postgres --single would fail on permission failures. There is no platform-specific behavior that needs to be checked, so living with this restriction should be fine. The CI is OK with that, now let's see what the buildfarm tells. Author: Hayato Kuroda <kuroda.hayato@fujitsu.com> Reviewed-by: Paul A. Jungwirth <pj@illuminatedcomputing.com> Reviewed-by: Mutaamba Maasha <maasha@gmail.com> Discussion: https://postgr.es/m/OSCPR01MB14966ED588A0328DAEBE8CB25F5FA2@OSCPR01MB14966.jpnprd01.prod.outlook.com Backpatch-through: 13
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