I'm not completely sure what should be in this list, but maybe also tuplesort extensibility [1]? [1] https://www.postgresql.org/message-id/flat/CALT9ZEHjgO_r2cFr35%3Du9xZa6Ji2e7oVfSEBRBj0Gc%2BtJjTxSg%40mail.gmail.com#201dc4202af38f224a1e3acc78795199
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Соглашаюсь с условиями обработки персональных данных