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It has been spotted that multiranges lack of ability to decompose them into individual ranges. Subscription and proper expanded object representation require substantial work, and it's too late for v14. This commit provides the implementation of unnest(multirange) and cast multirange as an array of ranges, which is quite trivial. unnest(multirange) is defined as a polymorphic procedure. The catalog description of the cast underlying procedure is duplicated for each multirange type because we don't have anyrangearray polymorphic type to use here. Catversion is bumped. Reported-by: Jonathan S. Katz Discussion: https://postgr.es/m/flat/60258efe-bd7e-4886-82e1-196e0cac5433%40postgresql.org Author: Alexander Korotkov Reviewed-by: Justin Pryzby, Jonathan S. Katz, Zhihong Yu
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