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The tests added by this commit cover a large ground in terms of the introduction of oid8 in TOAST tables, with the following areas covered, with all the gaps found during the development of the feature: - Tables with oid8 TOAST tables in general, under strings.sql. - ALTER TABLE with attribute manipulations in transactions and different toast_table_value settings. - Relation rewrites, not affecting the TOAST relation after initial creation with VACUUM FULL, CLUSTER, REPACK. - pg_column_compression(). - test_decoding, for external and extended TOAST data. - amcheck, external and extended storage with heap checked. - UPDATE with out-of-line datums that belongs to another TOAST table. This offers coverage for toast_tuple_init(), where external vartags could be mixed once multiple on-disk external TOAST pointers can co-exist. This pattern can be triggered with asan/ubsan, with an out-of-bound memcpy when unpatched. These tests are added before the new vartag_external, mostly as a matter of avoiding dead code in the tree. Author: Michael Paquier <michael@paquier.xyz> Reviewed-by: Greg Burd <greg@burd.me> Reviewed-by: Bharath Rupireddy <bharath.rupireddyforpostgres@gmail.com> Reviewed-by: Yugo Nagata <nagata@sraoss.co.jp> Discussion: https://postgr.es/m/af19kUjwjhaoUTLn@paquier.xy
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