def cache_key_culling_sql(self):
        return "SELECT cache_key FROM %s ORDER BY cache_key LIMIT 1 OFFSET %%s"
Ensure certain values are present, if required by WSGI.
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/Django-1.6.10/django/db/backends/__init__.py/BaseDatabaseOperations.cache_key_culling_sql--crossover with--dataset/ETHPy150Open kdart/pycopia/core/pycopia/inet/fcgi.py/FCGIServer._sanitizeEnv