Struct mz_compute_client::controller::CollectionIntrospection

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struct CollectionIntrospection<T> {
    collection_id: GlobalId,
    introspection_tx: Sender<(IntrospectionType, Vec<(Row, Diff)>)>,
    refresh_introspection_state: Option<RefreshIntrospectionState<T>>,
}
Expand description

Manages certain introspection relations associated with a collection. Upon creation, it adds rows to introspection relations. When dropped, it retracts its managed rows.

TODO: ComputeDependencies could be moved under this.

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§collection_id: GlobalId

The ID of the compute collection.

§introspection_tx: Sender<(IntrospectionType, Vec<(Row, Diff)>)>

A channel through which introspection updates are delivered.

§refresh_introspection_state: Option<RefreshIntrospectionState<T>>

Introspection state for mz_materialized_view_refreshes. Some if it is a REFRESH MV.

Implementations§

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impl<T> CollectionIntrospection<T>

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fn send(&self, introspection_type: IntrospectionType, updates: Vec<(Row, Diff)>)

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impl<T: ComputeControllerTimestamp> CollectionIntrospection<T>

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pub fn new( collection_id: GlobalId, introspection_tx: Sender<(IntrospectionType, Vec<(Row, Diff)>)>, initial_as_of: Option<Antichain<T>>, refresh_schedule: Option<RefreshSchedule>, upper: Antichain<T>, ) -> CollectionIntrospection<T>

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pub fn frontier_update(&mut self, write_frontier: &Antichain<T>)

Should be called whenever the write frontier of the collection advances. It updates the state that should be recorded in introspection relations, and sends it through the introspection_tx channel.

Trait Implementations§

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impl<T: Debug> Debug for CollectionIntrospection<T>

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

Formats the value using the given formatter. Read more
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impl<T> Drop for CollectionIntrospection<T>

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fn drop(&mut self)

Executes the destructor for this type. Read more

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