diff options
| author | Simon Charette <charette.s@gmail.com> | 2017-03-31 18:42:08 -0400 |
|---|---|---|
| committer | Simon Charette <charette.s@gmail.com> | 2017-04-02 16:34:03 -0400 |
| commit | 35c0025151ad411e691a2fa62a0dd3507ebafd82 (patch) | |
| tree | 1ec91eb505860f0f2fc855c2def50146fb2b7875 /django | |
| parent | 5e710cf4a5dba1fc30e3b6775b83c2218e57cd36 (diff) | |
Fixed #27928 -- Avoided SET/DROP DEFAULT unless a field changes from null to non-null.
Thanks Christophe Pettus, Matteo Pietro Russo for reports and Tim for review.
Diffstat (limited to 'django')
| -rw-r--r-- | django/db/backends/base/schema.py | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/django/db/backends/base/schema.py b/django/db/backends/base/schema.py index 49a29e5b37..ed3fb07d86 100644 --- a/django/db/backends/base/schema.py +++ b/django/db/backends/base/schema.py @@ -578,6 +578,8 @@ class BaseDatabaseSchemaEditor: old_default = self.effective_default(old_field) new_default = self.effective_default(new_field) needs_database_default = ( + old_field.null and + not new_field.null and old_default != new_default and new_default is not None and not self.skip_default(new_field) |