Enum mz_compute :: render :: context :: MzArrangement Copy item path

RowRow(Arranged<S, TraceAgent<Spine<Rc<OrdValBatch<RowRowLayout<((Row, Row), <S as ScopeParent>::Timestamp, Diff)>>>, MergeBatcher<Vec<((Row, Row), <S as ScopeParent>::Timestamp, Diff)>, ColumnationChunker<((Row, Row), <S as ScopeParent>::Timestamp, Diff)>, ColumnationMerger<((Row, Row), <S as ScopeParent>::Timestamp, Diff)>, <S as ScopeParent>::Timestamp>, RcBuilder<OrdValBuilder<RowRowLayout<((Row, Row), <S as ScopeParent>::Timestamp, Diff)>, TimelyStack<((Row, Row), <S as ScopeParent>::Timestamp, Diff)>>>>>>)

Implementations§

impl<S: Scope> MzArrangement<S>
where <S as ScopeParent>::Timestamp: Lattice + Columnation,

pub fn scope(&self) -> S

The scope of the underlying arrangement’s stream.

pub fn expire_arrangement_at( &mut self, name: &str, expiration: S::Timestamp, token: Weak<()>, )

Panic if the frontier of the underlying arrangement’s stream exceeds expiration time.

pub fn enter_region<'a>( &self, region: &Child<'a, S, S::Timestamp>, ) -> MzArrangement<Child<'a, S, S::Timestamp>>

Brings the underlying arrangement into a region.

pub fn as_collection<L>(&self, logic: L) -> Collection<S, Row, Diff>
where L: for<'a, 'b> FnMut(&'a DatumVecBorrow<'b>) -> Row + 'static,

Extracts the underlying arrangement as a stream of updates.

pub fn flat_map<D, I, L, T>( &self, key: Option<Row>, logic: L, refuel: usize, ) -> Stream<S, I::Item>
where T: Timestamp + Lattice + Columnation, <S as ScopeParent>::Timestamp: Lattice + Refines<T>, I: IntoIterator<Item = (D, S::Timestamp, Diff)>, D: Data, L: for<'a, 'b> FnMut(&'a mut DatumVecBorrow<'b>, &'a S::Timestamp, &'a Diff) -> I + 'static,

Applies logic to elements of the underlying arrangement and returns the results.

impl<'a, S: Scope> MzArrangement<Child<'a, S, S::Timestamp>>
where <S as ScopeParent>::Timestamp: Lattice + Columnation,

pub fn leave_region(&self) -> MzArrangement<S>

Extracts the underlying arrangement flavor from a region.

impl<S> MzArrangement<S>
where S: ScopeParent<Timestamp = Timestamp> + Scope,

pub fn trace_handle(&self) -> SpecializedTraceHandle

Obtains a SpecializedTraceHandle for the underlying arrangement.

Trait Implementations§

impl<S: Clone + Scope> Clone for MzArrangement<S>
where <S as ScopeParent>::Timestamp: Lattice + Columnation,

fn clone(&self) -> MzArrangement<S>

Returns a copy of the value. Read more

1.0.0 · source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

Auto Trait Implementations§

impl<S> Freeze for MzArrangement<S>
where <S as ScopeParent>::Timestamp: Sized + Freeze, S: Freeze,

impl<S> Unpin for MzArrangement<S>
where <S as ScopeParent>::Timestamp: Sized + Unpin, S: Unpin,

impl<S> !UnwindSafe for MzArrangement<S>

Blanket Implementations§

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🔬This is a nightly-only experimental API. (clone_to_uninit)

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