Method unregister

datafusion/execution/src/memory_pool/pool.rs:213–218

(&self, consumer: &MemoryConsumer)

    }

    fn unregister(&self, consumer: &MemoryConsumer) {
        if consumer.can_spill {
            let mut state = self.state.lock();
            state.num_spill = state.num_spill.checked_sub(1).unwrap();
        }
    }

    fn grow(&self, reservation: &MemoryReservation, additional: usize) {
        let mut state = self.state.lock();