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QueryOptimizer

graphrag_core::query::optimizer

Struct QueryOptimizer 

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pub struct QueryOptimizer { /* private fields */ }
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Query optimizer

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impl QueryOptimizer

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pub fn new(stats: GraphStatistics) -> Self

Create a new optimizer with graph statistics

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pub fn optimize(&self, query: QueryOp) -> Result<QueryOp>

Optimize a query operation

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pub fn estimate_cost(&self, op: &QueryOp) -> Result<OperationCost>

Estimate cost of an operation

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pub fn explain(&self, op: &QueryOp) -> Result<String>

Generate an execution plan with cost annotations

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