Package org.apache.pinot.query.service.dispatch

Class QueryDispatcher

java.lang.Object

org.apache.pinot.query.service.dispatch.QueryDispatcher

public class QueryDispatcher
extends Object

QueryDispatcher dispatch a query to different workers.

Constructor Summary

Constructors

Constructor	Description
QueryDispatcher(MailboxService mailboxService)

Method Summary

Modifier and Type	Method	Description
static ResultTable	runReducer(long requestId, DispatchableSubPlan dispatchableSubPlan, long timeoutMs, Map<String,String> queryOptions, Map<Integer,ExecutionStatsAggregator> statsAggregatorMap, MailboxService mailboxService)
void	shutdown()
ResultTable	submitAndReduce(org.apache.pinot.spi.trace.RequestContext context, DispatchableSubPlan dispatchableSubPlan, long timeoutMs, Map<String,String> queryOptions, Map<Integer,ExecutionStatsAggregator> executionStatsAggregator)

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryDispatcher

public QueryDispatcher(MailboxService mailboxService)

Method Detail

submitAndReduce

public ResultTable submitAndReduce(org.apache.pinot.spi.trace.RequestContext context,
                                   DispatchableSubPlan dispatchableSubPlan,
                                   long timeoutMs,
                                   Map<String,String> queryOptions,
                                   Map<Integer,ExecutionStatsAggregator> executionStatsAggregator)
                            throws Exception

Throws:

Exception

runReducer

public static ResultTable runReducer(long requestId,
                                     DispatchableSubPlan dispatchableSubPlan,
                                     long timeoutMs,
                                     Map<String,String> queryOptions,
                                     @Nullable
                                     Map<Integer,ExecutionStatsAggregator> statsAggregatorMap,
                                     MailboxService mailboxService)

shutdown

public void shutdown()