m::pe::hs::heuristics::bottomup_lookahead_cheapest< PlanTable, State > Struct Template Reference

#include <HeuristicSearchPlanEnumerator.hpp>

Public Types
using	state_type = State

Public Member Functions
	bottomup_lookahead_cheapest (PlanTable &, const QueryGraph &, const AdjacencyMatrix &, const CostFunction &, const CardinalityEstimator &)
double	operator() (const state_type &state, PlanTable &PT, const QueryGraph &G, const AdjacencyMatrix &M, const CostFunction &CF, const CardinalityEstimator &CE) const

Detailed Description

template<typename PlanTable, typename State>
struct m::pe::hs::heuristics::bottomup_lookahead_cheapest< PlanTable, State >

Definition at line 1896 of file HeuristicSearchPlanEnumerator.hpp.

Member Typedef Documentation

state_type

template<typename PlanTable , typename State >

using m::pe::hs::heuristics::bottomup_lookahead_cheapest< PlanTable, State >::state_type = State

Definition at line 1898 of file HeuristicSearchPlanEnumerator.hpp.

Constructor & Destructor Documentation

bottomup_lookahead_cheapest()

template<typename PlanTable , typename State >

m::pe::hs::heuristics::bottomup_lookahead_cheapest< PlanTable, State >::bottomup_lookahead_cheapest ( PlanTable &  , const QueryGraph &  , const AdjacencyMatrix &  , const CostFunction &  , const CardinalityEstimator &    )

inline

Definition at line 1900 of file HeuristicSearchPlanEnumerator.hpp.

Member Function Documentation

operator()()

template<typename PlanTable , typename State >

double m::pe::hs::heuristics::bottomup_lookahead_cheapest< PlanTable, State >::operator() ( const state_type &  state, PlanTable &  PT, const QueryGraph &  G, const AdjacencyMatrix &  M, const CostFunction &  CF, const CardinalityEstimator &  CE  ) const

inline

‍XXX: Sum of different units: cost and cardinality

Definition at line 1904 of file HeuristicSearchPlanEnumerator.hpp.

References m::CostFunction::calculate_join_cost(), m::CardinalityEstimator::estimate_join(), M_insist, m::AdjacencyMatrix::neighbors(), and m::CardinalityEstimator::predict_cardinality().

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

• include/mutable/IR/HeuristicSearchPlanEnumerator.hpp