[Validator] UniqueEntity - add warning about not supported types and association mappings. #21262
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javiereguiluz
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Oct 8, 2025
…ed types and association mappings. (wkania) This PR was merged into the 6.4 branch. Discussion ---------- [Validator] UniqueEntity - add warning about not supported types and association mappings. This constraint does not support Doctrine types such as ``simple_array``, ``json``, or ``jsonb``, nor does it handle association mappings like One-To-Many and Many-To-Many relationships. It may also not work correctly with custom Doctrine types. To perform uniqueness checks on such fields, you must define a custom repositoryMethod that implements the desired logic. The previous [PR](#21262) closed itself due to an incorrect empty rebase, sorry. Commits ------- 31ec2a0 [Validator] UniqueEntity - add warning about not supported types and association mappings.
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This constraint does not support Doctrine types such as simple_array, json, or jsonb, nor does it handle association mappings like One-To-Many and Many-To-Many relationships. It may also not work correctly with custom Doctrine types. To perform uniqueness checks on such fields, you must define a custom repositoryMethod that implements the desired logic.