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Diffstat (limited to 'django/db/models/query.py')
| -rw-r--r-- | django/db/models/query.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/django/db/models/query.py b/django/db/models/query.py index bb5462037c..1270141619 100644 --- a/django/db/models/query.py +++ b/django/db/models/query.py @@ -1149,7 +1149,9 @@ class QuerySet(AltersData): if not id_list: return {} filter_key = "{}__in".format(field_name) - batch_size = connections[self.db].features.max_query_params + max_params = connections[self.db].features.max_query_params or 0 + num_fields = len(opts.pk_fields) if field_name == "pk" else 1 + batch_size = max_params // num_fields id_list = tuple(id_list) # If the database has a limit on the number of query parameters # (e.g. SQLite), retrieve objects in batches if necessary. |