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Diffstat (limited to 'django/db/backends/mysql/validation.py')
| -rw-r--r-- | django/db/backends/mysql/validation.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/django/db/backends/mysql/validation.py b/django/db/backends/mysql/validation.py index de7474d1e5..2ce957cce7 100644 --- a/django/db/backends/mysql/validation.py +++ b/django/db/backends/mysql/validation.py @@ -10,6 +10,7 @@ class DatabaseValidation(BaseDatabaseValidation): from django.db import models varchar_fields = (models.CharField, models.CommaSeparatedIntegerField, models.SlugField) - if isinstance(f, varchar_fields) and f.max_length > 255 and f.unique: + if (isinstance(f, varchar_fields) and f.unique + and (f.max_length is None or int(f.max_length) > 255)): msg = '"%(name)s": %(cls)s cannot have a "max_length" greater than 255 when using "unique=True".' errors.add(opts, msg % {'name': f.name, 'cls': f.__class__.__name__}) |