#18285: bulk_create and ManyToMany relationships: the relationship is actually
not
made
-------------------------------------+-------------------------------------
Reporter: Michael PALUMBO | Owner: nobody
<michael.palumbo87@…> | Status: new
Type: Bug | Version: 1.4
Component: Database layer | Keywords: bulk_create,
(models, ORM) | relationship
Severity: Normal | Has patch: 0
Triage Stage: Unreviewed | UI/UX: 0
Easy pickings: 0 |
-------------------------------------+-------------------------------------
bulk_create with relationships does not work: i.e. the relationship is not
made.
For example:
{{{
class Company(models.Model):
url = models.URLField(unique=True)
class Website(models.Model):
url = models.URLField(unique=True)
companies = models.ManyToManyField(Company, null=True, blank=True)
list_companies = [Company(url='...'), Company(url='...')]
w.companies.bulk_create(list_companies)
-> [< Company: Company object>, < Company: Company object>] #The 2
Company objects are created
w.companies.all()
-> [] # But the relationship is broken
}}}
The 2 companies are created but I cannot access to them through the many-
to-many relationship.
I looked at the database and yes I can find the 2 companies in the company
table but no rows in the website_company table.
Discussed on django developers group:
https://groups.google.com/forum/?fromgroups#!topic/django-
developers/VNhDD2Golws
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Ticket URL: <https://code.djangoproject.com/ticket/18285>
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