What happens when you use ``select_for_update`` with ``select_related``?

[Yo-Yo Ma]

Given a model ``Employee`` with a foreign key ``company`` pointing to a model called ``Company``, would the following example lock both the ``Employee`` and ``Company`` rows that were selected?

employee = Employee.objects.select_for_update().select_related('company').get(pk=1)

Or, would only the ``Employee`` row be locked?

[Joseph Mutumi]

I'm not sure but you can look at the generated query and post it to the
relevant database mailing list?

Go in through: manage.py shell then follow instructions in FAQ
https://docs.djangoproject.com/en/dev/faq/models/#how-can-i-see-the-raw-sql-queries-django-is-running

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