Struct mz_compute_client :: protocol :: history :: ComputeCommandHistory Copy item path

impl<M, T> ComputeCommandHistory<M, T>
where M: Borrow<UIntGauge>, T: Timestamp,

pub fn new(metrics: HistoryMetrics<M>) -> Self

TODO(#25239): Add documentation.

pub fn push(&mut self, command: ComputeCommand<T>)

Add a command to the history.

This action will reduce the history every time it doubles.

pub fn reduce(&mut self)

Reduces self.history to a minimal form.

This action not only simplifies the issued history, but importantly reduces the instructions to only reference inputs from times that are still certain to be valid. Commands that allow compaction of a collection also remove certainty that the inputs will be available for times not greater or equal to that compaction frontier.

pub fn discard_peeks(&mut self)

Discard all peek commands.

pub fn iter(&self) -> impl Iterator<Item = &ComputeCommand<T>>

Iterate through the contained commands.

Trait Implementations§

impl<M: Debug, T: Debug> Debug for ComputeCommandHistory<M, T>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations§

impl<M, T> Freeze for ComputeCommandHistory<M, T>
where M: Freeze,

impl<M, T> RefUnwindSafe for ComputeCommandHistory<M, T>
where M: RefUnwindSafe, T: RefUnwindSafe,

impl<M, T> UnwindSafe for ComputeCommandHistory<M, T>
where M: UnwindSafe, T: UnwindSafe + RefUnwindSafe,

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