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OptimizationContext

linkrs_query::optimizer::context

Struct OptimizationContext 

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pub struct OptimizationContext { /* private fields */ }
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Optimization Context

Encapsulates all shared data needed during query optimization, providing a unified interface for all optimization strategies and analyzers.

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impl OptimizationContext

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pub fn new( stats_manager: Arc<StatisticsManager>, cost_calculator: Arc<CostCalculator>, selectivity_estimator: Arc<SelectivityEstimator>, cost_config: CostModelConfig, expression_context: Arc<ExpressionAnalysisContext>, ) -> Self

Create a new optimization context.

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pub fn stats_manager(&self) -> &Arc<StatisticsManager> ⓘ

Get the statistics manager.

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pub fn cost_calculator(&self) -> &Arc<CostCalculator> ⓘ

Get the cost calculator.

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pub fn selectivity_estimator(&self) -> &Arc<SelectivityEstimator> ⓘ

Get the selectivity estimator.

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pub fn cost_config(&self) -> &CostModelConfig

Get the cost model configuration.

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pub fn expression_context(&self) -> &Arc<ExpressionAnalysisContext> ⓘ

Get the expression analysis context.

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pub fn set_reference_count_analysis(&mut self, analysis: ReferenceCountAnalysis)

Set the cached reference count analysis.

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pub fn reference_count_analysis(&self) -> Option<&ReferenceCountAnalysis>

Get the cached reference count analysis.

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pub fn set_expression_analysis(&mut self, analysis: ExpressionAnalysis)

Set the cached expression analysis.

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pub fn expression_analysis(&self) -> Option<&ExpressionAnalysis>

Get cached expression analysis.

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pub fn set_batch_plan_analysis(&mut self, analysis: BatchPlanAnalysis)

Set the cached batch plan analysis.

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pub fn batch_plan_analysis(&self) -> Option<&BatchPlanAnalysis>

Get cached batch plan analysis.

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pub fn clear_cache(&mut self)

Clear all cached analysis results.

Trait Implementations§

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impl Clone for OptimizationContext

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fn clone(&self) -> Self

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 From<&Arc<OptimizerEngine>> for OptimizationContext

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fn from(engine: &Arc<OptimizerEngine>) -> Self

Converts to this type from the input type.
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impl From<&OptimizerEngine> for OptimizationContext

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fn from(engine: &OptimizerEngine) -> Self

Converts to this type from the input type.

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