id	summary	reporter	owner	description	type	status	component	version	severity	resolution	keywords	cc	stage	has_patch	needs_docs	needs_tests	needs_better_patch	easy	ui_ux
18669	QuerySet.bulk_create should batch if no AutoField	Jeremy Dunck	Jeremy Dunck	".bulk_create branches on can_combine_inserts_with_and_without_auto_increment_pk *and* _meta.has_auto_field, but it should be 
can_combine_inserts_with_and_without_auto_increment_pk or not _meta.has_auto_field.

https://github.com/django/django/blob/f3c9a16a423c90baaf3804cb050d320741f799a2/django/db/models/query.py#L421

This buglet means that even if the model doesn't have an autofield, the list will be partitioned into models with and without the PK, resulting in unnecessary query executions.

I'm assigning myself as owner because I intend to patch it."	Bug	closed	Database layer (models, ORM)	1.4	Normal	fixed	QuerySet.bulk_create		Accepted	0	0	0	0	0	0