martsberger

Keybase proof

I hereby claim:

• I am martsberger on github.
• I am bmartsberger (https://keybase.io/bmartsberger) on keybase.
• I have a public key ASBMCwyy1IBaWXBKAEnUOPPwIwUrk2dzsvYhQRkjOna_2wo

To claim this, I am signing this object:

martsberger

# You can put the EqualsAny class in a utility file somewhere, It's necessary
# in order to compare the result of ArrayAgg with a column

from django.db.models import Field

@Field.register_lookup
class EqualsAny(Lookup):
    """
    Adds the `__any` lookup for generating SQL like:
    

martsberger

Parent.objects.annotate(child_count=Count('child'))