def database_exists(self, database):
        return bool(self._execute('psql -tAc "SELECT 1 from pg_database WHERE datname=\'%s\'"' % database, stdout=False))
Memcached deals with long (> 30 days) timeouts in a special
dataset/ETHPy150Open python-provy/provy/provy/more/base/database/postgresql.py/BasePostgreSQLRole.database_exists--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/_internal/django/core/cache/backends/memcached.py/CacheClass._get_memcache_timeout