com.facebook.presto.hive

Class HivePartialAggregationPushdown

java.lang.Object

com.facebook.presto.hive.HivePartialAggregationPushdown

All Implemented Interfaces:

ConnectorPlanOptimizer

public class HivePartialAggregationPushdown
extends Object
implements ConnectorPlanOptimizer

Constructor Summary

Constructors

Constructor and Description
HivePartialAggregationPushdown(FunctionMetadataManager functionMetadataManager, StandardFunctionResolution standardFunctionResolution, Supplier<TransactionalMetadata> metadataFactory)

Method Summary

Modifier and Type	Method and Description
PlanNode	optimize(PlanNode maxSubplan, ConnectorSession session, VariableAllocator variableAllocator, PlanNodeIdAllocator idAllocator)

Methods inherited from class java.lang.Object

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

Constructor Detail

HivePartialAggregationPushdown

@Inject
public HivePartialAggregationPushdown(FunctionMetadataManager functionMetadataManager,
                                              StandardFunctionResolution standardFunctionResolution,
                                              Supplier<TransactionalMetadata> metadataFactory)

Method Detail

optimize

public PlanNode optimize(PlanNode maxSubplan,
                         ConnectorSession session,
                         VariableAllocator variableAllocator,
                         PlanNodeIdAllocator idAllocator)

Specified by:

optimize in interface ConnectorPlanOptimizer