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OptimizedPlan

oxirs_core::query::cost_based_optimizer

Struct OptimizedPlan 

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pub struct OptimizedPlan {
    pub join_order: Vec<usize>,
    pub estimated_cost: f64,
    pub estimated_cardinality: usize,
    pub use_index: bool,
    pub parallel_execution: bool,
    pub optimizations: Vec<Optimization>,
}
Expand description

Optimized execution plan

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§join_order: Vec<usize>

Optimal join order (indices)

§estimated_cost: f64

Estimated execution cost

§estimated_cardinality: usize

Estimated result cardinality

§use_index: bool

Whether to use index access

§parallel_execution: bool

Whether to use parallel execution

§optimizations: Vec<Optimization>

Applied optimizations

Trait Implementations§

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impl Clone for OptimizedPlan

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fn clone(&self) -> OptimizedPlan

Returns a duplicate of the value. Read more
1.0.0 · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for OptimizedPlan

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

Formats the value using the given formatter. Read more

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🔬This is a nightly-only experimental API. (clone_to_uninit)
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