Default to distinct union queries #6439
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greg0ire
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Jun 18, 2024
derrabus
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* 4.1.x: (25 commits) Simplify signature of fetchTableOptionsByTable Add MariaDb1010Platform for fetchTableOptionsByTable PHPUnit 10.5.21 (doctrine#6447) Move schema split for SQLite CREATE INDEX only (doctrine#6352) PHPStan 1.11.5 (doctrine#6446) Default to distinct union queries (doctrine#6439) Revert "Merge pull request doctrine#6413 from achterin/bugfix/foreign_key_name_change_detection" Add `QueryBuilder` support for `UNION` clause (doctrine#6369) CI: Update MariaDB versions (doctrine#6426) CI MariaDB: add 11.4, remove 11.0 (doctrine#6432) Display warnings when running PHPUnit in CI (doctrine#6431) Fix typo in the portability documentation (doctrine#6430) Fix MariaDB fetching of default table character-set (doctrine#6361) (doctrine#6425) Fix the portability documentation (doctrine#6429) Update tests/Platforms/AbstractPlatformTestCase.php Update tests/Platforms/AbstractPlatformTestCase.php add test Fix: Skip type comparison if disableTypeComments is true Remove redundant variable (doctrine#6326) Fix test names to reflect their actual purpose ...
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Summary
I think that people usually want to have a distinct union, if they build a union query. This would also be in line with SQL where a
UNIONwithout any additional keywords would produce a distinct union.cc @sbuerk