#26966: MySQL backend schema editor skip_default method requires update for
MySQL
5.7
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Reporter: mcgeeco | Owner: nobody
Type: Bug | Status: new
Component: Database layer | Version: 1.9
(models, ORM) | Keywords: mysql, mysql 5.7,
Severity: Normal | jsonfield, backend, db
Triage Stage: Unreviewed | Has patch: 0
Easy pickings: 0 | UI/UX: 0
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Currently this method,
[https://github.com/django/django/blob/1.10rc1/django/db/backends/mysql/schema.py#L28
django.db.backends.mysql.schema.DatabaseSchemaEditor.skip_default], checks
for a certain group of field types (texts and blobs) to determine whether
defaults are applicable at the database level. Since MySQL 5.7, there is
one more which I believe needs to be added to this list - the new 'json'
type. I discovered this while working with the
[https://github.com/adamchainz/django-mysql/issues/312 django-mysql
module]. In that module a default of `dict` is set at the Django model
level but needs to be ignored for database operations.
As far as I can see it should be a pretty straight forward fix as I can't
see why it would interfere with the functionality for older versions of
MySQL.
--
Ticket URL: <https://code.djangoproject.com/ticket/26966>
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