anonymous_namespace{join_optimizer.cc}::AbsorbedPredicates Class Reference

A pair of bitsets representing the predicates applied by an index access, and which of the predicates are applied fully. More...

Public Member Functions
	AbsorbedPredicates ()=default
	AbsorbedPredicates (OverflowBitset applied, OverflowBitset subsumed)
OverflowBitset	applied () const
	The predicates that are applied by an index access. More...
OverflowBitset	subsumed () const
	The predicates that are fully applied by an index access, and which don't need to be checked again in a FILTER access path. More...

Private Attributes
OverflowBitset	m_applied
OverflowBitset	m_subsumed

Detailed Description

A pair of bitsets representing the predicates applied by an index access, and which of the predicates are applied fully.

The bits map to the predicate with the same index in JoinHypergraph::predicates.

Constructor & Destructor Documentation

AbsorbedPredicates() [1/2]

anonymous_namespace{join_optimizer.cc}::AbsorbedPredicates::AbsorbedPredicates ( )

default

AbsorbedPredicates() [2/2]

anonymous_namespace{join_optimizer.cc}::AbsorbedPredicates::AbsorbedPredicates ( OverflowBitset  applied, OverflowBitset  subsumed  )

inline

Member Function Documentation

applied()

OverflowBitset anonymous_namespace{join_optimizer.cc}::AbsorbedPredicates::applied ( ) const

inline

The predicates that are applied by an index access.

subsumed()

OverflowBitset anonymous_namespace{join_optimizer.cc}::AbsorbedPredicates::subsumed ( ) const

inline

The predicates that are fully applied by an index access, and which don't need to be checked again in a FILTER access path.

This is a subset of the predicates in the "applied" bitset.

Member Data Documentation

m_applied

OverflowBitset anonymous_namespace{join_optimizer.cc}::AbsorbedPredicates::m_applied

private

m_subsumed

OverflowBitset anonymous_namespace{join_optimizer.cc}::AbsorbedPredicates::m_subsumed

private

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

• sql/join_optimizer/join_optimizer.cc