com.facebook.presto.sql.planner.optimizations

Class HashGenerationOptimizer

java.lang.Object

com.facebook.presto.sql.planner.optimizations.PlanOptimizer

com.facebook.presto.sql.planner.optimizations.HashGenerationOptimizer

public class HashGenerationOptimizer
extends PlanOptimizer

Field Summary

Fields

Modifier and Type	Field and Description
static int	INITIAL_HASH_VALUE

Constructor Summary

Constructors

Constructor and Description
HashGenerationOptimizer()

Method Summary

Modifier and Type	Method and Description
PlanNode	optimize(PlanNode plan, Session session, Map<Symbol,Type> types, SymbolAllocator symbolAllocator, PlanNodeIdAllocator idAllocator)

Methods inherited from class java.lang.Object

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

Field Detail

INITIAL_HASH_VALUE

public static final int INITIAL_HASH_VALUE

See Also:

Constant Field Values

Constructor Detail

HashGenerationOptimizer

public HashGenerationOptimizer()

Method Detail

optimize

public PlanNode optimize(PlanNode plan,
                         Session session,
                         Map<Symbol,Type> types,
                         SymbolAllocator symbolAllocator,
                         PlanNodeIdAllocator idAllocator)

Specified by:

optimize in class PlanOptimizer