Method register

datafusion/execution/src/memory_pool/mod.rs:339–348

Registers this [`MemoryConsumer`] with the provided [`MemoryPool`] returning a [`MemoryReservation`] that can be used to grow or shrink the memory reservation

(self, pool: &Arc<dyn MemoryPool>)

    /// Registers this [`MemoryConsumer`] with the provided [`MemoryPool`] returning
    /// a [`MemoryReservation`] that can be used to grow or shrink the memory reservation
    pub fn register(self, pool: &Arc<dyn MemoryPool>) -> MemoryReservation {
        pool.register(&self);
        MemoryReservation {
            registration: Arc::new(SharedRegistration {
                pool: Arc::clone(pool),
                consumer: self,
            }),
            size: atomic::AtomicUsize::new(0),
        }
    }
}

/// A registration of a [`MemoryConsumer`] with a [`MemoryPool`].