#33802: Q objects to match an empty string in CheckConstraint results in invalid SQL using MySQL -----------------------------+-------------------------------------- Reporter: Phil Gyford | Owner: nobody Type: Bug | Status: closed Component: Migrations | Version: 4.0 Severity: Normal | Resolution: worksforme Keywords: | Triage Stage: Unreviewed Has patch: 0 | Needs documentation: 0 Needs tests: 0 | Patch needs improvement: 0 Easy pickings: 0 | UI/UX: 0 -----------------------------+-------------------------------------- Changes (by Mariusz Felisiak):
* status: new => closed * type: Uncategorized => Bug * resolution: => worksforme Comment: Thanks for this ticket, however it works for me with MariaDB, MySQL, and other built-in backends (I checked with Django 3.0, 3.1, 3.2, 4.0, 4.1, and on the current `main` branch) {{{ -- -- Create constraint sample_othermodel_firstname on model othermodel -- ALTER TABLE `sample_othermodel` ADD CONSTRAINT `sample_othermodel_firstname` CHECK (`firstname` = ''); }}} -- Ticket URL: <https://code.djangoproject.com/ticket/33802#comment:1> Django <https://code.djangoproject.com/> The Web framework for perfectionists with deadlines. -- You received this message because you are subscribed to the Google Groups "Django updates" group. To unsubscribe from this group and stop receiving emails from it, send an email to django-updates+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/django-updates/010701819196df77-51d5a8e1-3768-4665-93b1-769dc7284947-000000%40eu-central-1.amazonses.com.