Package io.trino.execution

Class SqlTask

java.lang.Object

io.trino.execution.SqlTask

public class SqlTask
extends Object

Method Summary

Modifier and Type	Method	Description
TaskInfo	abort()
TaskInfo	abortTaskResults(OutputBuffers.OutputBufferId bufferId)
DynamicFiltersCollector.VersionedDynamicFilterDomains	acknowledgeAndGetNewDynamicFilterDomains(long callersDynamicFiltersVersion)
void	acknowledgeTaskResults(OutputBuffers.OutputBufferId bufferId, long sequenceId)
void	addSourceTaskFailureListener(TaskFailureListener listener)
void	addStateChangeListener(StateMachine.StateChangeListener<TaskState> stateChangeListener)	Listener is always notified asynchronously using a dedicated notification thread pool so, care should be taken to avoid leaking this when adding a listener in a constructor.
TaskInfo	cancel()
static SqlTask	createSqlTask(TaskId taskId, URI location, String nodeId, QueryContext queryContext, SqlTaskExecutionFactory sqlTaskExecutionFactory, ExecutorService taskNotificationExecutor, Consumer<SqlTask> onDone, io.airlift.units.DataSize maxBufferSize, io.airlift.units.DataSize maxBroadcastBufferSize, io.airlift.stats.CounterStat failedTasks)
TaskInfo	failed(Throwable cause)
SqlTaskIoStats	getIoStats()
QueryContext	getQueryContext()
Optional<TaskContext>	getTaskContext()
org.joda.time.DateTime	getTaskCreatedTime()
TaskId	getTaskId()
TaskInfo	getTaskInfo()
com.google.common.util.concurrent.ListenableFuture<TaskInfo>	getTaskInfo(long callersCurrentVersion)
String	getTaskInstanceId()
com.google.common.util.concurrent.ListenableFuture<BufferResult>	getTaskResults(OutputBuffers.OutputBufferId bufferId, long startingSequenceId, io.airlift.units.DataSize maxSize)
TaskState	getTaskState()
TaskStatus	getTaskStatus()
com.google.common.util.concurrent.ListenableFuture<TaskStatus>	getTaskStatus(long callersCurrentVersion)
Optional<String>	getTraceToken()
boolean	isOutputBufferOverutilized()
void	recordHeartbeat()
String	toString()
TaskInfo	updateTask(Session session, Optional<PlanFragment> fragment, List<TaskSource> sources, OutputBuffers outputBuffers, Map<DynamicFilterId,Domain> dynamicFilterDomains)

Methods inherited from class java.lang.Object

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

Method Details

createSqlTask

public static SqlTask createSqlTask(TaskId taskId,
 URI location,
 String nodeId,
 QueryContext queryContext,
 SqlTaskExecutionFactory sqlTaskExecutionFactory,
 ExecutorService taskNotificationExecutor,
 Consumer<SqlTask> onDone,
 io.airlift.units.DataSize maxBufferSize,
 io.airlift.units.DataSize maxBroadcastBufferSize,
 io.airlift.stats.CounterStat failedTasks)

isOutputBufferOverutilized

public boolean isOutputBufferOverutilized()

getIoStats

public SqlTaskIoStats getIoStats()

getTaskState

public TaskState getTaskState()

getTaskCreatedTime

public org.joda.time.DateTime getTaskCreatedTime()

getTaskId

public TaskId getTaskId()

getTaskInstanceId

public String getTaskInstanceId()

recordHeartbeat

public void recordHeartbeat()

getTaskInfo

public TaskInfo getTaskInfo()

getTaskStatus

public TaskStatus getTaskStatus()

acknowledgeAndGetNewDynamicFilterDomains

public DynamicFiltersCollector.VersionedDynamicFilterDomains acknowledgeAndGetNewDynamicFilterDomains(long callersDynamicFiltersVersion)

getTaskStatus

public com.google.common.util.concurrent.ListenableFuture<TaskStatus> getTaskStatus(long callersCurrentVersion)

getTaskInfo

public com.google.common.util.concurrent.ListenableFuture<TaskInfo> getTaskInfo(long callersCurrentVersion)

updateTask

public TaskInfo updateTask(Session session,
 Optional<PlanFragment> fragment,
 List<TaskSource> sources,
 OutputBuffers outputBuffers,
 Map<DynamicFilterId,Domain> dynamicFilterDomains)

getTaskResults

public com.google.common.util.concurrent.ListenableFuture<BufferResult> getTaskResults(OutputBuffers.OutputBufferId bufferId,
 long startingSequenceId,
 io.airlift.units.DataSize maxSize)

acknowledgeTaskResults

public void acknowledgeTaskResults(OutputBuffers.OutputBufferId bufferId,
 long sequenceId)

abortTaskResults

public TaskInfo abortTaskResults(OutputBuffers.OutputBufferId bufferId)

failed

public TaskInfo failed(Throwable cause)

cancel

public TaskInfo cancel()

abort

public TaskInfo abort()

toString

public String toString()

Overrides:

toString in class Object

addStateChangeListener

public void addStateChangeListener(StateMachine.StateChangeListener<TaskState> stateChangeListener)

Listener is always notified asynchronously using a dedicated notification thread pool so, care should be taken to avoid leaking this when adding a listener in a constructor. Additionally, it is possible notifications are observed out of order due to the asynchronous execution.

addSourceTaskFailureListener

public void addSourceTaskFailureListener(TaskFailureListener listener)

getQueryContext

public QueryContext getQueryContext()

getTaskContext

public Optional<TaskContext> getTaskContext()

getTraceToken

public Optional<String> getTraceToken()