Struct mz_persist_types::stats2::NoneStatsBuilder

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pub struct NoneStatsBuilder<A>(PhantomData<A>);

Expand description

Empty statistics for a column of data.

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§0: PhantomData<A>

Trait Implementations§

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impl<T, A: Array + 'static> ColumnarStatsBuilder<T> for NoneStatsBuilder<A>

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type ArrowColumn = A

Type of arrow column these statistics can be derived from.

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type FinishedStats = NoneStats

The type of statistics the collector finalizes into.

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fn from_column(_col: &Self::ArrowColumn) -> Self
where Self: Sized,

Derive statistics from a column of data.

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fn finish(self) -> Self::FinishedStats
where Self::FinishedStats: Sized,

Finish this collector returning the final aggregated statistics.

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fn from_column_dyn(col: &dyn Array) -> Option<Self>
where Self: Sized,

Derive statistics from an opaque column of data. Read more

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impl<A: Debug> Debug for NoneStatsBuilder<A>

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<A> UnwindSafe for NoneStatsBuilder<A>
where A: UnwindSafe,

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T, U> CastInto for T
where U: CastFrom<T>,

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fn cast_into(self) -> U

Performs the cast.

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> FutureExt for T

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fn with_context(self, otel_cx: Context) -> WithContext<Self>

Attaches the provided Context to this type, returning a WithContext wrapper. Read more

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fn with_current_context(self) -> WithContext<Self>

Attaches the current Context to this type, returning a WithContext wrapper. Read more

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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impl<T, U> Into for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoRequest<T> for T

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fn into_request(self) -> Request<T>

Wrap the input message T in a tonic::Request

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impl<T> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.

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type Init = T

The type for initializers.

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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

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impl<P, R> ProtoType<R> for P
where R: RustType,

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fn into_rust(self) -> Result<R, TryFromProtoError>

See RustType::from_proto.

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fn from_rust(rust: &R) -> P

See RustType::into_proto.

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impl<T> Same for T

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type Output = T

Should always be Self

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impl<T, U> TryFrom for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.

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fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T
where U: TryFrom<T>,

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type Error = >::Error

The type returned in the event of a conversion error.

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fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

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Struct mz_persist_types::stats2::NoneStatsBuilderCopy item path

Tuple Fields§

Trait Implementations§

impl<T, A: Array + 'static> ColumnarStatsBuilder<T> for NoneStatsBuilder<A>

type ArrowColumn = A

type FinishedStats = NoneStats

fn from_column(_col: &Self::ArrowColumn) -> Selfwhere Self: Sized,

fn finish(self) -> Self::FinishedStatswhere Self::FinishedStats: Sized,

fn from_column_dyn(col: &dyn Array) -> Option<Self>where Self: Sized,

impl<A: Debug> Debug for NoneStatsBuilder<A>

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

Auto Trait Implementations§

impl<A> Freeze for NoneStatsBuilder<A>

impl<A> RefUnwindSafe for NoneStatsBuilder<A>where A: RefUnwindSafe,

impl<A> Send for NoneStatsBuilder<A>where A: Send,

impl<A> Sync for NoneStatsBuilder<A>where A: Sync,

impl<A> Unpin for NoneStatsBuilder<A>where A: Unpin,

impl<A> UnwindSafe for NoneStatsBuilder<A>where A: UnwindSafe,

Blanket Implementations§

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

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for Twhere T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T, U> CastInto<U> for Twhere U: CastFrom<T>,

fn cast_into(self) -> U

impl<T> From<T> for T

fn from(t: T) -> T

impl<T> FutureExt for T

fn with_context(self, otel_cx: Context) -> WithContext<Self>

fn with_current_context(self) -> WithContext<Self>

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

fn in_current_span(self) -> Instrumented<Self>

impl<T, U> Into<U> for Twhere U: From<T>,

fn into(self) -> U

impl<T> IntoRequest<T> for T

fn into_request(self) -> Request<T>

impl<T> Pointable for T

const ALIGN: usize = _

type Init = T

unsafe fn init(init: <T as Pointable>::Init) -> usize

unsafe fn deref<'a>(ptr: usize) -> &'a T

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

unsafe fn drop(ptr: usize)

impl<P, R> ProtoType<R> for Pwhere R: RustType<P>,

fn into_rust(self) -> Result<R, TryFromProtoError>

fn from_rust(rust: &R) -> P

impl<T> Same for T

type Output = T

impl<T, U> TryFrom<U> for Twhere U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<V, T> VZip<V> for Twhere V: MultiLane<T>,

fn vzip(self) -> V

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>where S: Into<Dispatch>,

fn with_current_subscriber(self) -> WithDispatch<Self>

impl<T> Allocation for Twhere T: RefUnwindSafe + Send + Sync,

Struct mz_persist_types::stats2::NoneStatsBuilder

fn from_column(_col: &Self::ArrowColumn) -> Self
where Self: Sized,

fn finish(self) -> Self::FinishedStats
where Self::FinishedStats: Sized,

fn from_column_dyn(col: &dyn Array) -> Option<Self>
where Self: Sized,

impl<A> RefUnwindSafe for NoneStatsBuilder<A>
where A: RefUnwindSafe,

impl<A> Send for NoneStatsBuilder<A>
where A: Send,

impl<A> Sync for NoneStatsBuilder<A>
where A: Sync,

impl<A> Unpin for NoneStatsBuilder<A>
where A: Unpin,

impl<A> UnwindSafe for NoneStatsBuilder<A>
where A: UnwindSafe,

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

impl<T> Borrow<T> for T
where T: ?Sized,

impl<T> BorrowMut<T> for T
where T: ?Sized,

impl<T, U> CastInto<U> for T
where U: CastFrom<T>,

impl<T, U> Into<U> for T
where U: From<T>,

impl<P, R> ProtoType<R> for P
where R: RustType<P>,

impl<T, U> TryFrom<U> for T
where U: Into<T>,

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

impl<T> Allocation for T
where T: RefUnwindSafe + Send + Sync,