io.prestosql.sql.planner.optimizations

Class IndexJoinOptimizer

java.lang.Object

io.prestosql.sql.planner.optimizations.IndexJoinOptimizer

All Implemented Interfaces:

PlanOptimizer

public class IndexJoinOptimizer
extends Object
implements PlanOptimizer

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	IndexJoinOptimizer.IndexKeyTracer Identify the mapping from the lookup symbols used at the top of the index plan to the actual symbols produced by the IndexSource.

Constructor Summary

Constructors

Constructor and Description
IndexJoinOptimizer(Metadata metadata)

Method Summary

Modifier and Type	Method and Description
PlanNode	optimize(PlanNode plan, Session session, TypeProvider type, SymbolAllocator symbolAllocator, PlanNodeIdAllocator idAllocator, WarningCollector warningCollector)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

IndexJoinOptimizer

public IndexJoinOptimizer(Metadata metadata)

Method Detail

optimize

public PlanNode optimize(PlanNode plan,
                         Session session,
                         TypeProvider type,
                         SymbolAllocator symbolAllocator,
                         PlanNodeIdAllocator idAllocator,
                         WarningCollector warningCollector)

Specified by:

optimize in interface PlanOptimizer