def drop_foreignkey_sql(self):
        return "DROP CONSTRAINT"
Define URL prefixes/handler matches where everything under the URL prefix should be handled
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.4/django/db/backends/__init__.py/BaseDatabaseOperations.drop_foreignkey_sql--crossover with--dataset/ETHPy150Open timothycrosley/hug/hug/route.py/API.sink