Package org.apache.calcite.plan.hep

Provides a heuristic planner implementation for the interfaces in org.apache.calcite.plan.

Class Summary

Class	Description
HepInstruction	HepInstruction represents one instruction in a HepProgram.
HepInstruction.BeginGroup	Instruction that begins a group.
HepInstruction.CommonRelSubExprRules	Instruction that finds common relational sub-expressions.
HepInstruction.ConverterRules	Instruction that executes converter rules.
HepInstruction.EndGroup	Instruction that ends a group.
HepInstruction.MatchLimit	Instruction that sets match limit.
HepInstruction.MatchOrder	Instruction that sets match order.
HepInstruction.RuleClass<R extends RelOptRule>	Instruction that executes all rules of a given class.
HepInstruction.RuleCollection	Instruction that executes all rules in a given collection.
HepInstruction.RuleInstance	Instruction that executes a given rule.
HepInstruction.Subprogram	Instruction that executes a sub-program.
HepPlanner	HepPlanner is a heuristic implementation of the RelOptPlanner interface.
HepProgram	HepProgram specifies the order in which rules should be attempted by HepPlanner.
HepProgramBuilder	HepProgramBuilder creates instances of HepProgram.
HepRelMetadataProvider	HepRelMetadataProvider implements the RelMetadataProvider interface by combining metadata from the rels inside of a HepRelVertex.
HepRelVertex	HepRelVertex wraps a real RelNode as a vertex in a DAG representing the entire query expression.
HepRuleCall	HepRuleCall implements RelOptRuleCall for a HepPlanner.

Enum Summary

Enum	Description
HepMatchOrder	HepMatchOrder specifies the order of graph traversal when looking for rule matches.