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Trying to attach a table as a partition which is already on the referenced side of a foreign key on the partitioned table that it is being attached to, leads to strange behavior: we try to clone the foreign key from the parent to the partition, but this new FK points to the partition itself, and the mix of pg_constraint rows and triggers doesn't behave well. Rather than trying to untangle the mess (which might be possible given sufficient time), I opted to forbid the ATTACH. This doesn't seem a problematic restriction, given that we already fail to create the foreign key if you do it the other way around, that is, having the partition first and the FK second. Backpatch to all supported branches. Reported-by: Alexander Lakhin <exclusion@gmail.com> Reviewed-by: Tender Wang <tndrwang@gmail.com> Discussion: https://postgr.es/m/18541-628a61bc267cd2d3@postgresql.org |
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| isolation | ||
| kerberos | ||
| ldap | ||
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| mb | ||
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| perl | ||
| recovery | ||
| regress | ||
| ssl | ||
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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