def add(self, key, column, value=1, super_column=None, write_consistency_level=None):
        packed_key = self._pack_key(key)
        cp = self._column_parent(super_column)
        column = self._pack_name(column)
        self.pool.execute('add', packed_key, cp, CounterColumn(column, value),
                          write_consistency_level or self.write_consistency_level,
                          allow_retries=self._allow_retries)
Checks if a job is waiting.
dataset/ETHPy150Open pycassa/pycassa/pycassa/columnfamily.py/ColumnFamily.add--crossover with--dataset/ETHPy150Open ganeti/ganeti/lib/jqueue/__init__.py/_JobDependencyManager.JobWaiting