Expand description
Query Optimizer
Provides filter ranking, cost-based optimization, and subquery decorrelation.
Modules§
- decorrelate
- Subquery Decorrelation Optimizer
- filter_
rank - Filter Ranking
- stats
- Statistics Collection
Structs§
- Column
Stats - Column statistics
- Correlation
Predicate - Represents a correlation predicate between outer and inner queries
- Decorrelator
- Subquery decorrelation optimizer
- Filter
Ranker - Filter ranker
- Ranked
Filter - A filter with its ranking score
- Ranking
Config - Ranking configuration
- Stats
Collector - Statistics collector for building table stats
- Subquery
Analysis - Analysis result for a subquery
- Subquery
Rewrite - Represents a rewrite of a correlated subquery to a join
- Table
Stats - Table statistics
Enums§
- Correlation
Op - Correlation comparison operator
- Decorrelation
Blocker - Reasons why decorrelation might not be possible
- Decorrelation
Strategy - Strategy for decorrelating a subquery
- Rewrite
Join Type - Join type for rewritten subquery
- Subquery
Kind - Kind of subquery for decorrelation analysis