Struct mz_transform::projection_lifting::ProjectionLifting

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pub struct ProjectionLifting {
    recursion_guard: RecursionGuard,
}

Expand description

Hoist projections through operators.

Fields

recursion_guard: RecursionGuard

Implementations

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impl ProjectionLifting

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pub fn action(
 &self,
 relation: &mut MirRelationExpr,
 gets: &mut HashMap<Id, (RelationType, Vec<usize>)>
) -> Result<(), TransformError>

Hoist projections through operators.

Trait Implementations

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impl CheckedRecursion for ProjectionLifting

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fn recursion_guard(&self) -> &RecursionGuard

Extracts a reference to the recursion guard embedded within the type.

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fn checked_recur<F, T, E>(&self, f: F) -> Result<T, E> where
F: FnOnce(&Self) -> Result<T, E>,
E: From<RecursionLimitError>,

Checks whether it is safe to recur and calls f if so. Read more

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fn checked_recur_mut<F, T, E>(&mut self, f: F) -> Result<T, E> where
F: FnOnce(&mut Self) -> Result<T, E>,
E: From<RecursionLimitError>,

Like CheckedRecursion::checked_recur, but operates on a mutable reference to Self. Read more

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impl Debug for ProjectionLifting

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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 Default for ProjectionLifting

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fn default() -> ProjectionLifting

Returns the “default value” for a type. Read more

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impl Transform for ProjectionLifting

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fn transform(
 &self,
 relation: &mut MirRelationExpr,
 _: TransformArgs<'_>
) -> Result<(), TransformError>

Transform a relation into a functionally equivalent relation.

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fn debug(&self) -> String

A string describing the transform. Read more

Auto Trait Implementations

impl !RefUnwindSafe for ProjectionLifting

impl Send for ProjectionLifting

impl !Sync for ProjectionLifting

impl Unpin for ProjectionLifting

impl UnwindSafe for ProjectionLifting

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,

const: unstable · source

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,

const: unstable · source

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

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

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>,

const: unstable · source

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 = mem::align_of::()

The alignment of pointer.

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<T> for T

type Output = T

Should always be Self

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

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

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>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

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

Struct mz_transform::projection_lifting::ProjectionLifting

Fields

Implementations

impl ProjectionLifting

pub fn action( &self, relation: &mut MirRelationExpr, gets: &mut HashMap<Id, (RelationType, Vec<usize>)>) -> Result<(), TransformError>

Trait Implementations

impl CheckedRecursion for ProjectionLifting

fn recursion_guard(&self) -> &RecursionGuard

fn checked_recur<F, T, E>(&self, f: F) -> Result<T, E> where F: FnOnce(&Self) -> Result<T, E>, E: From<RecursionLimitError>,

fn checked_recur_mut<F, T, E>(&mut self, f: F) -> Result<T, E> where F: FnOnce(&mut Self) -> Result<T, E>, E: From<RecursionLimitError>,

impl Debug for ProjectionLifting

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

impl Default for ProjectionLifting

fn default() -> ProjectionLifting

impl Transform for ProjectionLifting

fn transform( &self, relation: &mut MirRelationExpr, _: TransformArgs<'_>) -> Result<(), TransformError>

fn debug(&self) -> String

Auto Trait Implementations

impl !RefUnwindSafe for ProjectionLifting

impl Send for ProjectionLifting

impl !Sync for ProjectionLifting

impl Unpin for ProjectionLifting

impl UnwindSafe for ProjectionLifting

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

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 T where 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 = mem::align_of::()

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 P where R: RustType<P>,

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

fn from_rust(rust: &R) -> P

impl<T> Same<T> for T

type Output = T

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

type Error = Infallible

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

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

pub fn action(
&self,
relation: &mut MirRelationExpr,
gets: &mut HashMap<Id, (RelationType, Vec<usize>)>
) -> Result<(), TransformError>

fn checked_recur<F, T, E>(&self, f: F) -> Result<T, E> where
F: FnOnce(&Self) -> Result<T, E>,
E: From<RecursionLimitError>,

fn checked_recur_mut<F, T, E>(&mut self, f: F) -> Result<T, E> where
F: FnOnce(&mut Self) -> Result<T, E>,
E: From<RecursionLimitError>,

fn transform(
&self,
relation: &mut MirRelationExpr,
_: TransformArgs<'_>
) -> Result<(), TransformError>

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> 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>,