anonymous_namespace{join_optimizer.cc}::RefAccessBuilder::PredicateAnalysis Struct Reference

Result type of AnalyzePredicates(). More...

Public Attributes
double	selectivity
	The selectivity of the entire predicate. More...
double	join_condition_selectivity
	The combined selectivity of the conditions refering to the target table. More...
MutableOverflowBitset	applied_predicates
	Predicates promoted from a join condition to a WHERE predicate, since they were part of cycles. More...
MutableOverflowBitset	subsumed_predicates
	Predicates subsumed by the index access. More...

Detailed Description

Result type of AnalyzePredicates().

Member Data Documentation

applied_predicates

MutableOverflowBitset anonymous_namespace{join_optimizer.cc}::RefAccessBuilder::PredicateAnalysis::applied_predicates

Predicates promoted from a join condition to a WHERE predicate, since they were part of cycles.

join_condition_selectivity

double anonymous_namespace{join_optimizer.cc}::RefAccessBuilder::PredicateAnalysis::join_condition_selectivity

The combined selectivity of the conditions refering to the target table.

selectivity

double anonymous_namespace{join_optimizer.cc}::RefAccessBuilder::PredicateAnalysis::selectivity

The selectivity of the entire predicate.

subsumed_predicates

MutableOverflowBitset anonymous_namespace{join_optimizer.cc}::RefAccessBuilder::PredicateAnalysis::subsumed_predicates

Predicates subsumed by the index access.

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The documentation for this struct was generated from the following file:

• sql/join_optimizer/join_optimizer.cc