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Diffstat (limited to 'django/db/backends/mysql/schema.py')
| -rw-r--r-- | django/db/backends/mysql/schema.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/django/db/backends/mysql/schema.py b/django/db/backends/mysql/schema.py index e803a4452c..ef4ccf51db 100644 --- a/django/db/backends/mysql/schema.py +++ b/django/db/backends/mysql/schema.py @@ -50,7 +50,8 @@ class DatabaseSchemaEditor(BaseDatabaseSchemaEditor): super(DatabaseSchemaEditor, self).add_field(model, field) # Simulate the effect of a one-off default. - if self.skip_default(field) and field.default not in {None, NOT_PROVIDED}: + # field.default may be unhashable, so a set isn't used for "in" check. + if self.skip_default(field) and field.default not in (None, NOT_PROVIDED): effective_default = self.effective_default(field) self.execute('UPDATE %(table)s SET %(column)s = %%s' % { 'table': self.quote_name(model._meta.db_table), |