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When using the following functions, users could see various types of errors of the type "cache lookup failed for OID XXX" with elog(), that can only be used for internal errors: * pg_describe_object() * pg_identify_object() * pg_identify_object_as_address() The set of APIs managing object addresses for all object types are made smarter by gaining a new argument "missing_ok" that allows any caller to control if an error is raised or not on an undefined object. The SQL functions listed above are changed to handle the case where an object is missing. Regression tests are added for all object types for the cases where these are undefined. Before this commit, these cases failed with cache lookup errors, and now they basically return NULL (minus the name of the object type requested). Author: Michael Paquier Reviewed-by: Aleksander Alekseev, Dmitry Dolgov, Daniel Gustafsson, Álvaro Herrera, Kyotaro Horiguchi Discussion: https://postgr.es/m/CAB7nPqSZxrSmdHK-rny7z8mi=EAFXJ5J-0RbzDw6aus=wB5azQ@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 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