mirror of
https://github.com/django/django.git
synced 2024-12-22 17:16:24 +00:00
Stopped rebuilding referenced tables multiple times on SQLite alterations.
This commit is contained in:
parent
505fec6bad
commit
330c0ed7c4
@ -360,9 +360,15 @@ class DatabaseSchemaEditor(BaseDatabaseSchemaEditor):
|
||||
self._remake_table(model, alter_field=(old_field, new_field))
|
||||
# Rebuild tables with FKs pointing to this field if the PK type changed.
|
||||
if old_field.primary_key and new_field.primary_key and old_type != new_type:
|
||||
for rel in new_field.model._meta.related_objects:
|
||||
if not rel.many_to_many:
|
||||
self._remake_table(rel.related_model)
|
||||
related_models = set()
|
||||
for remote_field in new_field.model._meta.related_objects:
|
||||
# Ignore self-relationship since the table was already rebuilt.
|
||||
if remote_field.related_model == model:
|
||||
continue
|
||||
if not remote_field.many_to_many:
|
||||
related_models.add(remote_field.related_model)
|
||||
for related_model in related_models:
|
||||
self._remake_table(related_model)
|
||||
|
||||
def _alter_many_to_many(self, model, old_field, new_field, strict):
|
||||
"""Alter M2Ms to repoint their to= endpoints."""
|
||||
|
Loading…
Reference in New Issue
Block a user