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OptimizerTrace

Struct OptimizerTrace 

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pub struct OptimizerTrace {
Show 15 fields pub groups: usize, pub search_mode: SearchMode, pub query_digest: Option<String>, pub selected_plan: String, pub selected_plan_fingerprint: String, pub selected_plan_cost: PlanCost, pub selected_plan_cost_breakdown: PlanCostBreakdown, pub selected_plan_properties: PhysicalProperties, pub selected_plan_cardinality_estimates: Vec<OperatorCardinalityEstimate>, pub selected_plan_operator_counts: BTreeMap<String, usize>, pub selected_plan_class_counts: BTreeMap<String, usize>, pub warnings: Vec<String>, pub decisions: Vec<String>, pub rule_events: Vec<RuleEvent>, pub stage_events: Vec<StageTrace>,
}

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§groups: usize§search_mode: SearchMode§query_digest: Option<String>§selected_plan: String§selected_plan_fingerprint: String

The physical operator-tree shape. Bound values are intentionally absent.

§selected_plan_cost: PlanCost§selected_plan_cost_breakdown: PlanCostBreakdown§selected_plan_properties: PhysicalProperties§selected_plan_cardinality_estimates: Vec<OperatorCardinalityEstimate>

Per-operator cardinalities keyed by stable, plan-local pre-order identities.

§selected_plan_operator_counts: BTreeMap<String, usize>§selected_plan_class_counts: BTreeMap<String, usize>§warnings: Vec<String>§decisions: Vec<String>§rule_events: Vec<RuleEvent>§stage_events: Vec<StageTrace>

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impl Clone for OptimizerTrace

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fn clone(&self) -> OptimizerTrace

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 Debug for OptimizerTrace

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

Formats the value using the given formatter. Read more
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impl Eq for OptimizerTrace

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impl PartialEq for OptimizerTrace

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fn eq(&self, other: &OptimizerTrace) -> bool

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl StructuralPartialEq for OptimizerTrace

Auto Trait Implementations§

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, 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> RuntimeIoWavePermit for T
where T: Debug + Send,

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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.