Struct mz_persist_client::internal::state_diff::StateDiff

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pub struct StateDiff<T> {
Show 17 fields pub(crate) applier_version: Version, pub(crate) seqno_from: SeqNo, pub(crate) seqno_to: SeqNo, pub(crate) walltime_ms: u64, pub(crate) latest_rollup_key: PartialRollupKey, pub(crate) rollups: Vec<StateFieldDiff<SeqNo, HollowRollup>>, pub(crate) hostname: Vec<StateFieldDiff<(), String>>, pub(crate) last_gc_req: Vec<StateFieldDiff<(), SeqNo>>, pub(crate) leased_readers: Vec<StateFieldDiff<LeasedReaderId, LeasedReaderState<T>>>, pub(crate) critical_readers: Vec<StateFieldDiff<CriticalReaderId, CriticalReaderState<T>>>, pub(crate) writers: Vec<StateFieldDiff<WriterId, WriterState<T>>>, pub(crate) schemas: Vec<StateFieldDiff<SchemaId, EncodedSchemas>>, pub(crate) since: Vec<StateFieldDiff<(), Antichain<T>>>, pub(crate) legacy_batches: Vec<StateFieldDiff<HollowBatch<T>, ()>>, pub(crate) hollow_batches: Vec<StateFieldDiff<SpineId, Arc<HollowBatch<T>>>>, pub(crate) spine_batches: Vec<StateFieldDiff<SpineId, ThinSpineBatch<T>>>, pub(crate) merges: Vec<StateFieldDiff<SpineId, ThinMerge<T>>>,
}

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§applier_version: Version§seqno_from: SeqNo§seqno_to: SeqNo§walltime_ms: u64§latest_rollup_key: PartialRollupKey§rollups: Vec<StateFieldDiff<SeqNo, HollowRollup>>§hostname: Vec<StateFieldDiff<(), String>>§last_gc_req: Vec<StateFieldDiff<(), SeqNo>>§leased_readers: Vec<StateFieldDiff<LeasedReaderId, LeasedReaderState<T>>>§critical_readers: Vec<StateFieldDiff<CriticalReaderId, CriticalReaderState<T>>>§writers: Vec<StateFieldDiff<WriterId, WriterState<T>>>§schemas: Vec<StateFieldDiff<SchemaId, EncodedSchemas>>§since: Vec<StateFieldDiff<(), Antichain<T>>>§legacy_batches: Vec<StateFieldDiff<HollowBatch<T>, ()>>§hollow_batches: Vec<StateFieldDiff<SpineId, Arc<HollowBatch<T>>>>§spine_batches: Vec<StateFieldDiff<SpineId, ThinSpineBatch<T>>>§merges: Vec<StateFieldDiff<SpineId, ThinMerge<T>>>

Implementations§

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impl<T: Timestamp + Lattice + Codec64> StateDiff<T>

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pub fn encode<B>(&self, buf: &mut B)
where B: BufMut,

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pub fn decode(build_version: &Version, buf: Bytes) -> Self

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impl<T: Timestamp + Codec64> StateDiff<T>

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pub fn new( applier_version: Version, seqno_from: SeqNo, seqno_to: SeqNo, walltime_ms: u64, latest_rollup_key: PartialRollupKey, ) -> Self

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pub fn referenced_batches( &self, ) -> impl Iterator<Item = StateFieldValDiff<&HollowBatch<T>>>

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impl<T: Timestamp + Lattice + Codec64> StateDiff<T>

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pub fn from_diff(from: &State<T>, to: &State<T>) -> Self

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pub(crate) fn blob_inserts(&self) -> impl Iterator<Item = HollowBlobRef<'_, T>>

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pub(crate) fn blob_deletes(&self) -> impl Iterator<Item = HollowBlobRef<'_, T>>

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pub fn validate_roundtrip<K, V, D>( metrics: &Metrics, from_state: &TypedState<K, V, T, D>, diff: &Self, to_state: &TypedState<K, V, T, D>, ) -> Result<(), String>
where K: Codec + Debug, V: Codec + Debug, D: Semigroup + Codec64,

Trait Implementations§

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impl<T: Clone> Clone for StateDiff<T>

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fn clone(&self) -> StateDiff<T>

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<T: Debug> Debug for StateDiff<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: PartialEq> PartialEq for StateDiff<T>

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fn eq(&self, other: &StateDiff<T>) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<T: Timestamp + Codec64> RustType<ProtoStateDiff> for StateDiff<T>

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fn into_proto(&self) -> ProtoStateDiff

Convert a Self into a Proto value.
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fn from_proto(proto: ProtoStateDiff) -> Result<Self, TryFromProtoError>

Consume and convert a Proto back into a Self value. Read more
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fn into_proto_owned(self) -> Proto

A zero clone version of Self::into_proto that types can optionally implement, otherwise, the default implementation delegates to Self::into_proto.
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impl<T> StructuralPartialEq for StateDiff<T>

Auto Trait Implementations§

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impl<T> Freeze for StateDiff<T>

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impl<T> RefUnwindSafe for StateDiff<T>
where T: RefUnwindSafe,

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impl<T> Send for StateDiff<T>
where T: Send + Sync,

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impl<T> Sync for StateDiff<T>
where T: Sync + Send,

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impl<T> Unpin for StateDiff<T>
where T: Unpin,

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impl<T> UnwindSafe for StateDiff<T>

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impl<T> Any for T
where T: 'static + ?Sized,

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Gets the TypeId of self. Read more
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where T: ?Sized,

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Immutably borrows from an owned value. Read more
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where T: ?Sized,

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Performs the cast.
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where T: Clone,

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default unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<T> From<T> for T

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Returns the argument unchanged.

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