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MaterializationDecision

khive_retrieval::materialization

Enum MaterializationDecision 

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pub enum MaterializationDecision<Output, Reason, Error> {
    Keep(Output),
    Drop(Reason),
    Fatal(Error),
}
Expand description

Pack policy decision for one correlated candidate row.

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Keep(Output)

Retain the output and assign the next compact rank.

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Drop(Reason)

Omit the candidate and record a typed diagnostic.

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Fatal(Error)

Stop immediately with the caller’s error.

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impl<Output: Debug, Reason: Debug, Error: Debug> Debug for MaterializationDecision<Output, Reason, Error>

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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<Output: Eq, Reason: Eq, Error: Eq> Eq for MaterializationDecision<Output, Reason, Error>

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impl<Output: PartialEq, Reason: PartialEq, Error: PartialEq> PartialEq for MaterializationDecision<Output, Reason, Error>

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fn eq(&self, other: &Self) -> bool

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl<Output: PartialEq, Reason: PartialEq, Error: PartialEq> StructuralPartialEq for MaterializationDecision<Output, Reason, Error>

Auto Trait Implementations§

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impl<Output, Reason, Error> Freeze for MaterializationDecision<Output, Reason, Error>
where Output: Freeze, Reason: Freeze, Error: Freeze,

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impl<Output, Reason, Error> RefUnwindSafe for MaterializationDecision<Output, Reason, Error>
where Output: RefUnwindSafe, Reason: RefUnwindSafe, Error: RefUnwindSafe,

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impl<Output, Reason, Error> Send for MaterializationDecision<Output, Reason, Error>
where Output: Send, Reason: Send, Error: Send,

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impl<Output, Reason, Error> Sync for MaterializationDecision<Output, Reason, Error>
where Output: Sync, Reason: Sync, Error: Sync,

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impl<Output, Reason, Error> Unpin for MaterializationDecision<Output, Reason, Error>
where Output: Unpin, Reason: Unpin, Error: Unpin,

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impl<Output, Reason, Error> UnsafeUnpin for MaterializationDecision<Output, Reason, Error>
where Output: UnsafeUnpin, Reason: UnsafeUnpin, Error: UnsafeUnpin,

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impl<Output, Reason, Error> UnwindSafe for MaterializationDecision<Output, Reason, Error>
where Output: UnwindSafe, Reason: UnwindSafe, Error: 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<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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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> 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<U> 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> Read<Exclusive, BecauseExclusive> for T
where T: ?Sized,

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

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type Error = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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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