Struct PlanMetadata

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pub struct PlanMetadata {
    pub has_lifted_expressions: bool,
    pub parallel_opportunities: usize,
    pub estimated_rows: Option<usize>,
    pub planning_time_ms: Option<u64>,
}

Expand description

Metadata about the query plan

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§has_lifted_expressions: bool

Whether CTEs were lifted from WHERE clause

§parallel_opportunities: usize

Number of parallel execution opportunities

§estimated_rows: Option<usize>

Estimated row count

§planning_time_ms: Option<u64>

Planning time in milliseconds

Trait Implementations§

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impl Debug for PlanMetadata

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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 PlanMetadata

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fn default() -> PlanMetadata

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

Auto Trait Implementations§

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impl UnwindSafe for PlanMetadata

Blanket Implementations§

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

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Gets the TypeId of self. Read more

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where T: ?Sized,

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impl<T> From<T> for T

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fn from(t: T) -> 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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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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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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