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| author | sage <me@laymonage.com> | 2023-01-31 10:52:07 +0000 |
|---|---|---|
| committer | Mariusz Felisiak <felisiak.mariusz@gmail.com> | 2023-01-31 11:52:44 +0100 |
| commit | 5e0be0873ca6fe0c4ad7abe1398443bdf367d16e (patch) | |
| tree | bd697ba3fcaecac2cf4e9a23d8ef72e8d2ab0ae0 /django | |
| parent | af396ce3f9a15db27173469b1eb2388810dd00c3 (diff) | |
[4.2.x] Fixed #34304 -- Made MySQL's SchemaEditor.remove_constraint() don't create foreign key index when unique constraint is ignored.
Regression in b731e8841558ee4caaba766c83f34ea9c7004f8b.
Backport of 110b3b83567da22f19ec04210db134d0fe83d662 from main
Diffstat (limited to 'django')
| -rw-r--r-- | django/db/backends/mysql/schema.py | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/django/db/backends/mysql/schema.py b/django/db/backends/mysql/schema.py index 64771fe6c3..e61445e46c 100644 --- a/django/db/backends/mysql/schema.py +++ b/django/db/backends/mysql/schema.py @@ -121,7 +121,10 @@ class DatabaseSchemaEditor(BaseDatabaseSchemaEditor): ) def remove_constraint(self, model, constraint): - if isinstance(constraint, UniqueConstraint): + if ( + isinstance(constraint, UniqueConstraint) + and constraint.create_sql(model, self) is not None + ): self._create_missing_fk_index( model, fields=constraint.fields, |