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ReadAccessRoute

Enum ReadAccessRoute 

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pub enum ReadAccessRoute {
    PrimaryKey,
    PrimaryKeySet,
    PrimaryKeyRange,
    SecondaryIndexPrefix,
    SecondaryIndexMultiLookup,
    SecondaryIndexBranchSet,
    SecondaryIndexRange,
    FullScan,
    Union,
    Intersection,
}
Expand description

Coarse accepted access route selected for one read.

The enum intentionally excludes entity, field, index, predicate and literal identity so an attributed query cannot create an unbounded label surface.

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PrimaryKey

One direct primary-key lookup.

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PrimaryKeySet

One bounded set of direct primary-key lookups.

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PrimaryKeyRange

One inclusive primary-key range.

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SecondaryIndexPrefix

One accepted secondary-index prefix.

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SecondaryIndexMultiLookup

One bounded secondary-index multi-lookup.

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SecondaryIndexBranchSet

One bounded secondary-index branch set.

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SecondaryIndexRange

One accepted secondary-index range.

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FullScan

One authoritative primary-store scan.

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Union

One canonical union of bounded child access routes.

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Intersection

One canonical intersection of bounded child access routes.

Trait Implementations§

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impl CandidType for ReadAccessRoute

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fn _ty() -> Type

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fn _ty_doc() -> TypeDoc

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fn id() -> TypeId

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fn idl_serialize<__S>(&self, __serializer: __S) -> Result<(), __S::Error>
where __S: Serializer,

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fn ty() -> Type

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impl Clone for ReadAccessRoute

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fn clone(&self) -> ReadAccessRoute

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Copy for ReadAccessRoute

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impl Debug for ReadAccessRoute

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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<'de> Deserialize<'de> for ReadAccessRoute

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Eq for ReadAccessRoute

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impl PartialEq for ReadAccessRoute

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fn eq(&self, other: &ReadAccessRoute) -> 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 StructuralPartialEq for ReadAccessRoute

Auto Trait Implementations§

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<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,

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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, 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> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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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<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V