Struct mz_transform::reduction_pushdown::ReduceBuilder

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struct ReduceBuilder {
    input: MirRelationExpr,
    group_key: Vec<MirScalarExpr>,
    aggregates: Vec<AggregateExpr>,
    localize_map: HashMap<usize, usize>,
}

Expand description

Constructs a Reduce around a component, localizing column references.

Fields

input: MirRelationExprgroup_key: Vec<MirScalarExpr>aggregates: Vec<AggregateExpr>localize_map: HashMap<usize, usize>

Maps (global column relative to old join) -> (local column relative to input)

Implementations

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impl ReduceBuilder

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fn new(
 component: Component,
 inputs: &Vec<MirRelationExpr>,
 old_join_mapper: &JoinInputMapper
) -> Self

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fn construct_reduce(
 self,
 monotonic: bool,
 expected_group_size: Option<usize>
) -> MirRelationExpr

Auto Trait Implementations

impl RefUnwindSafe for ReduceBuilder

impl Send for ReduceBuilder

impl Sync for ReduceBuilder

impl Unpin for ReduceBuilder

impl UnwindSafe for ReduceBuilder

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<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<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::reduction_pushdown::ReduceBuilder

Fields

Implementations

impl ReduceBuilder

fn new( component: Component, inputs: &Vec<MirRelationExpr>, old_join_mapper: &JoinInputMapper) -> Self

fn add_group_key(&mut self, key: MirScalarExpr)

fn add_aggregate(&mut self, agg: AggregateExpr)

fn arity(&self) -> usize

fn construct_reduce( self, monotonic: bool, expected_group_size: Option<usize>) -> MirRelationExpr

Auto Trait Implementations

impl RefUnwindSafe for ReduceBuilder

impl Send for ReduceBuilder

impl Sync for ReduceBuilder

impl Unpin for ReduceBuilder

impl UnwindSafe for ReduceBuilder

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>

fn new(
component: Component,
inputs: &Vec<MirRelationExpr>,
old_join_mapper: &JoinInputMapper
) -> Self

fn construct_reduce(
self,
monotonic: bool,
expected_group_size: Option<usize>
) -> MirRelationExpr

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>,