Method try_resize

datafusion/execution/src/memory_pool/mod.rs:450–460

Try to set the size of this reservation to `capacity`

(&self, capacity: usize)

    /// Try to set the size of this reservation to `capacity`
    pub fn try_resize(&self, capacity: usize) -> Result<()> {
        let size = self.size.load(atomic::Ordering::Relaxed);
        match capacity.cmp(&size) {
            Ordering::Greater => self.try_grow(capacity - size)?,
            Ordering::Less => {
                self.try_shrink(size - capacity)?;
            }
            _ => {}
        };
        Ok(())
    }

    /// Increase the size of this reservation by `capacity` bytes
    pub fn grow(&self, capacity: usize) {