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Amit Langote reported that partition prune was unable to work with arrays, enums, etc, which led him to research the appropriate way to match query clauses to partition keys: instead of searching for an exact match of the expression's type, it is better to rely on the fact that the expression qual has already been resolved to a specific operator, and that the partition key is linked to a specific operator family. With that info, it's possible to figure out the strategy and comparison function to use for the pruning clause in a manner that works reliably for pseudo-types also. Include new test cases that demonstrate pruning where pseudotypes are involved. Author: Amit Langote, Álvaro Herrera Discussion: https://postgr.es/m/2b02f1e9-9812-9c41-972d-517bdc0f815d@lab.ntt.co.jp
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