Struct mz_expr::explain::ExplainContext

source ·

pub struct ExplainContext<'a> {
    pub config: &'a ExplainConfig,
    pub features: &'a OptimizerFeatures,
    pub humanizer: &'a dyn ExprHumanizer,
    pub cardinality_stats: BTreeMap<GlobalId, usize>,
    pub used_indexes: UsedIndexes,
    pub finishing: Option<RowSetFinishing>,
    pub duration: Duration,
    pub target_cluster: Option<&'a str>,
    pub optimizer_notices: Vec<String>,
}

Expand description

Explain context shared by all mz_repr::explain::Explain implementations in this crate.

Fields§

§config: &'a ExplainConfig§features: &'a OptimizerFeatures§humanizer: &'a dyn ExprHumanizer§cardinality_stats: BTreeMap<GlobalId, usize>§used_indexes: UsedIndexes§finishing: Option<RowSetFinishing>§duration: Duration§target_cluster: Option<&'a str>§optimizer_notices: Vec<String>

Struct mz_expr::explain::ExplainContextCopy item path

Fields§

Trait Implementations§

impl<'a> Debug for ExplainContext<'a>

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

Auto Trait Implementations§

impl<'a> Freeze for ExplainContext<'a>

impl<'a> !RefUnwindSafe for ExplainContext<'a>

impl<'a> !Send for ExplainContext<'a>

impl<'a> !Sync for ExplainContext<'a>

impl<'a> Unpin for ExplainContext<'a>

impl<'a> !UnwindSafe for ExplainContext<'a>

Blanket Implementations§

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T, U> CastInto<U> for Twhere U: CastFrom<T>,

fn cast_into(self) -> U

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 Twhere U: From<T>,

fn into(self) -> U

impl<T> IntoRequest<T> for T

fn into_request(self) -> Request<T>

impl<T, U> OverrideFrom<Option<&T>> for Uwhere U: OverrideFrom<T>,

fn override_from(self, layer: &Option<&T>) -> U

impl<T> Pointable for T

const ALIGN: usize = _

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 Pwhere R: RustType<P>,

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

fn from_rust(rust: &R) -> P

impl<T> Same for T

type Output = T

impl<'a, S, T> Semigroup<&'a S> for Twhere T: Semigroup<S>,

fn plus_equals(&mut self, rhs: &&'a S)

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

type Error = Infallible

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

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

Struct mz_expr::explain::ExplainContext

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> CastInto<U> for T
where U: CastFrom<T>,

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

impl<T, U> OverrideFrom<Option<&T>> for U
where U: OverrideFrom<T>,

impl<P, R> ProtoType<R> for P
where R: RustType<P>,

impl<'a, S, T> Semigroup<&'a S> for T
where T: Semigroup<S>,

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>,