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Money values exceeding about 18 digits (depending on lc_monetary) could be inaccurately converted to numeric, due to select_div_scale() deciding it didn't need to compute any fractional digits. Force its hand by setting the dscale of one division input to equal the number of fractional digits we need. In passing, rearrange the logic to not do useless work in locales where money values are considered integral. Per bug #15925 from Slawomir Chodnicki. Back-patch to all supported branches. Discussion: https://postgr.es/m/15925-da9953e2674bb5c8@postgresql.org
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. 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 thread/ A thread-safety-testing utility used by configure