On Thu, Feb 21, 2008 at 5:06 PM, Albert Hopkins <[EMAIL PROTECTED]> wrote:
>  I have a model with a M2M field and I want to filter based on the field
>  being empty.  How do I do this?  I tried
>  MyModel.objects.filter(m2mfield=[]) but that raises a (MySQL) exception.

Is this what you want?

MyModel.objects.filter(m2mfield__pk__isnull=True)

Brett

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