Struct JoinOrderOptimizer

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pub struct JoinOrderOptimizer { /* private fields */ }

Expand description

Join order optimizer using dynamic programming

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impl JoinOrderOptimizer

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pub fn new(config: CostModelConfig) -> Self

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pub fn add_stats(&mut self, stats: TableStats)

Add table statistics

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pub fn find_optimal_order( &self, tables: &[String], join_conditions: &[(String, String, String, String)], ) -> Vec<(String, String)>

Find optimal join order using dynamic programming

Time: O(2^n × n^2) where n = number of tables Practical for n ≤ 10

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impl UnwindSafe for JoinOrderOptimizer

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