#23761: Mysql validator crashes with None db_type return. - Backport of master
fix
to 1.7
-------------------------------------+-------------------------------------
Reporter: adepue | Owner: nobody
Type: Bug | Status: new
Component: Core (System | Version: 1.7
checks) | Resolution:
Severity: Normal | Triage Stage:
Keywords: mysql db_type | Unreviewed
Has patch: 1 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 1 | UI/UX: 0
-------------------------------------+-------------------------------------
Description changed by adepue:
Old description:
> A fix was made in August in master:
> https://github.com/django/django/commit/e9103402c0fa873aea58a6a11dba510cd308cb84#diff-14
>
> The fix contains a lot more than is needed for this specific issue,
> however the specific changes to django/db/backends/mysql/validation.py
> would be great to have in Django 1.7.
>
> When implementing a custom field type with a db_type() method that
> returns None, on Django 1.6 and below we would signify not to create a
> column at all.
> With Django 1.7, this causes a crash with the mysql backend.
> The issue is already fixed in master and this simply backports the safety
> check.
>
> This worked fine in < Django 1.7 and works fine in upstream.
New description:
When implementing a custom field type with a db_type() method that returns
None, on Django 1.6 and below we would signify not to create a column at
all.
With Django 1.7, this causes a crash with the mysql backend.
The issue is already fixed in master and this simply backports the safety
check.
A fix was made in August in master:
https://github.com/django/django/commit/e9103402c0fa873aea58a6a11dba510cd308cb84#diff-14
The fix contains a lot more than is needed for this specific issue,
however the specific changes to django/db/backends/mysql/validation.py
would be great to have in Django 1.7.
This worked fine in < Django 1.7 and works fine in upstream.
--
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Ticket URL: <https://code.djangoproject.com/ticket/23761#comment:4>
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