def alter_retention_policy(database, name, duration, replication, default=False, **client_args):
 client = _client(**client_args)
 client.alter_retention_policy(name, database, duration, replication, default)
 return True

def alter_retention_policy ( database , name , duration , replication , default = False , ** client_args ) : client = _client ( ** client_args ) client . alter_retention_policy ( name , database , duration , replication , default ) return True
modify an existing retention policy .