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CachedPlanRef

radixdb_executor::dispatch::cache

Struct CachedPlanRef 

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pub struct CachedPlanRef<B = ()> { /* private fields */ }
Expand description

Lightweight reference to a cached plan for query execution. Contains only what’s needed to execute: the immutable statement and param info.

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impl<B> CachedPlanRef<B>

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pub fn statement(&self) -> &Statement

Return the immutable parsed statement owned by this plan.

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pub fn has_params(&self) -> bool

Whether the statement requires positional or named bindings.

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pub fn param_count(&self) -> usize

Exact number of positional bindings required by the statement.

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pub fn parameter_contract(&self) -> &ParameterContract

Read-only binding contract associated atomically with the plan.

Trait Implementations§

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impl<B: Clone> Clone for CachedPlanRef<B>

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fn clone(&self) -> CachedPlanRef<B>

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<B: Debug> Debug for CachedPlanRef<B>

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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<B> Freeze for CachedPlanRef<B>
where Arc<RwLock<B>>: Freeze,

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impl<B> RefUnwindSafe for CachedPlanRef<B>
where Arc<RwLock<B>>: RefUnwindSafe,

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impl<B> Send for CachedPlanRef<B>
where Arc<RwLock<B>>: Send,

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impl<B> Sync for CachedPlanRef<B>
where Arc<RwLock<B>>: Sync,

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impl<B> Unpin for CachedPlanRef<B>
where Arc<RwLock<B>>: Unpin,

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impl<B> UnsafeUnpin for CachedPlanRef<B>
where Arc<RwLock<B>>: UnsafeUnpin,

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impl<B> UnwindSafe for CachedPlanRef<B>
where Arc<RwLock<B>>: 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> 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> CompactArcDrop for T

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unsafe fn drop_and_dealloc(ptr: *mut u8)

Drop the contained data and deallocate the header+data allocation. 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, 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> 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<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