Struct PlanNodeMeta

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pub struct PlanNodeMeta {
    pub group_id: GroupId,
    pub weighted_cost: f64,
    pub cost: Cost,
    pub stat: Arc<Statistics>,
    pub cost_display: String,
    pub stat_display: String,
}

Expand description

Metadata for a rel node.

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§group_id: GroupId

The group (id) of the RelNode

§weighted_cost: f64

Weighted cost of the RelNode

§cost: Cost

Cost of the RelNode

§stat: Arc<Statistics>

Statistics

§cost_display: String

Cost in display string TODO: this should be lazily processed and generated

§stat_display: String

Statistics in display string TODO: this should be lazily processed and generated

Implementations§

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impl PlanNodeMeta

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pub fn new( group_id: GroupId, weighted_cost: f64, cost: Cost, stat: Arc<Statistics>, cost_display: String, stat_display: String, ) -> Self

Trait Implementations§

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impl Clone for PlanNodeMeta

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fn clone(&self) -> PlanNodeMeta

Returns a duplicate of the value. Read more

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

Performs copy-assignment from source. Read more

Auto Trait Implementations§

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impl !UnwindSafe for PlanNodeMeta

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> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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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>,

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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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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