Robuta

https://code.djangoproject.com/ticket/34553?cnum_hist=2&cversion=0 #34553 (Can't create CheckConstraint with percent characters in values on postgresql due to broken... https://jira.mariadb.org/browse/MDEV-34553 [MDEV-34553] ps2 protocol for INSERT/UPDATE/DELETE - Jira mdev protocol insert update delete