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| author | Mariusz Felisiak <felisiak.mariusz@gmail.com> | 2022-11-04 09:30:23 +0100 |
|---|---|---|
| committer | Mariusz Felisiak <felisiak.mariusz@gmail.com> | 2022-11-04 09:31:30 +0100 |
| commit | 84a2b2e7a7d8ac0dd210bcfa299fab8c4f240aae (patch) | |
| tree | 837dbc19dc51c0a7cb79e83ba6f2e666a851c215 /django | |
| parent | 018311d481d4ad949633cab1adb7677b927c8b1e (diff) | |
[4.1.x] Fixed #34138 -- Avoided table rebuild when adding inline m2m fields on SQLite.
Regression in 2f73e5406d54cb8945e187eff302a3a3373350be.
Thanks David Wobrock for the report.
Backport of 7b0e9ea53ca99de2f485ec582f3a79be34b531d4 from main
Diffstat (limited to 'django')
| -rw-r--r-- | django/db/backends/sqlite3/schema.py | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/django/db/backends/sqlite3/schema.py b/django/db/backends/sqlite3/schema.py index 6c106ae868..88fa466f79 100644 --- a/django/db/backends/sqlite3/schema.py +++ b/django/db/backends/sqlite3/schema.py @@ -379,7 +379,10 @@ class DatabaseSchemaEditor(BaseDatabaseSchemaEditor): def add_field(self, model, field): """Create a field on a model.""" - if ( + # Special-case implicit M2M tables. + if field.many_to_many and field.remote_field.through._meta.auto_created: + self.create_model(field.remote_field.through) + elif ( # Primary keys and unique fields are not supported in ALTER TABLE # ADD COLUMN. field.primary_key |