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Packages that use Task | |
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org.apache.hadoop.hive.ql | |
org.apache.hadoop.hive.ql.exec | Hive QL execution tasks, operators, functions and other handlers. |
org.apache.hadoop.hive.ql.history | |
org.apache.hadoop.hive.ql.optimizer | |
org.apache.hadoop.hive.ql.optimizer.physical | |
org.apache.hadoop.hive.ql.parse | |
org.apache.hadoop.hive.ql.plan |
Uses of Task in org.apache.hadoop.hive.ql |
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Methods in org.apache.hadoop.hive.ql that return types with arguments of type Task | |
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ArrayList<Task<? extends Serializable>> |
QueryPlan.getRootTasks()
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Queue<Task<? extends Serializable>> |
DriverContext.getRunnable()
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Methods in org.apache.hadoop.hive.ql with parameters of type Task | |
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void |
DriverContext.addToRunnable(Task<? extends Serializable> tsk)
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static boolean |
DriverContext.isLaunchable(Task<? extends Serializable> tsk)
Checks if a task can be launched. |
void |
Driver.launchTask(Task<? extends Serializable> tsk,
String queryId,
boolean noName,
Map<TaskResult,TaskRunner> running,
String jobname,
int jobs,
DriverContext cxt)
Launches a new task |
Method parameters in org.apache.hadoop.hive.ql with type arguments of type Task | |
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int |
Driver.countJobs(List<Task<? extends Serializable>> tasks)
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int |
Driver.countJobs(List<Task<? extends Serializable>> tasks,
List<Task<? extends Serializable>> seenTasks)
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int |
Driver.countJobs(List<Task<? extends Serializable>> tasks,
List<Task<? extends Serializable>> seenTasks)
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boolean |
Driver.hasReduceTasks(List<Task<? extends Serializable>> tasks)
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void |
QueryPlan.setRootTasks(ArrayList<Task<? extends Serializable>> rootTasks)
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Constructor parameters in org.apache.hadoop.hive.ql with type arguments of type Task | |
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DriverContext(Queue<Task<? extends Serializable>> runnable,
Context ctx)
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Uses of Task in org.apache.hadoop.hive.ql.exec |
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Subclasses of Task in org.apache.hadoop.hive.ql.exec | |
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class |
ConditionalTask
Conditional Task implementation. |
class |
CopyTask
CopyTask implementation. |
class |
DDLTask
DDLTask implementation. |
class |
ExecDriver
ExecDriver. |
class |
ExplainTask
ExplainTask implementation. |
class |
FetchTask
FetchTask implementation. |
class |
FunctionTask
FunctionTask. |
class |
MapRedTask
Alternate implementation (to ExecDriver) of spawning a mapreduce task that runs it from a separate jvm. |
class |
MoveTask
MoveTask implementation. |
Fields in org.apache.hadoop.hive.ql.exec declared as Task | |
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protected Task<? extends Serializable> |
TaskRunner.tsk
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Fields in org.apache.hadoop.hive.ql.exec with type parameters of type Task | |
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protected List<Task<? extends Serializable>> |
Task.childTasks
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protected List<Task<? extends Serializable>> |
Task.parentTasks
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Class<? extends Task<T>> |
TaskFactory.taskTuple.taskClass
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Methods in org.apache.hadoop.hive.ql.exec that return Task | ||
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static
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TaskFactory.get(Class<T> workClass,
HiveConf conf)
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static
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TaskFactory.get(T work,
HiveConf conf,
Task<? extends Serializable>... tasklist)
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static
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TaskFactory.getAndMakeChild(T work,
HiveConf conf,
Task<? extends Serializable>... tasklist)
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Task<? extends Serializable> |
TaskRunner.getTask()
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Methods in org.apache.hadoop.hive.ql.exec that return types with arguments of type Task | |
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List<Task<? extends Serializable>> |
Task.getChildTasks()
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List<Task<? extends Serializable>> |
Task.getDependentTasks()
The default dependent tasks are just child tasks, but different types could implement their own (e.g. |
List<Task<? extends Serializable>> |
ConditionalTask.getListTasks()
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List<Task<? extends Serializable>> |
Task.getParentTasks()
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Methods in org.apache.hadoop.hive.ql.exec with parameters of type Task | ||
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boolean |
ConditionalTask.addDependentTask(Task<? extends Serializable> dependent)
Add a dependent task on the current conditional task. |
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boolean |
Task.addDependentTask(Task<? extends Serializable> dependent)
Add a dependent task on the current task. |
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static
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TaskFactory.get(T work,
HiveConf conf,
Task<? extends Serializable>... tasklist)
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static
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TaskFactory.getAndMakeChild(T work,
HiveConf conf,
Task<? extends Serializable>... tasklist)
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void |
Task.removeDependentTask(Task<? extends Serializable> dependent)
Remove the dependent task. |
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static void |
Utilities.serializeTasks(Task<? extends Serializable> t,
OutputStream out)
Serialize a single Task. |
Method parameters in org.apache.hadoop.hive.ql.exec with type arguments of type Task | |
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void |
ExplainTask.outputDependencies(PrintStream out,
List<Task<? extends Serializable>> rootTasks,
int indent)
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void |
ExplainTask.outputStagePlans(PrintStream out,
List<Task<? extends Serializable>> rootTasks,
int indent)
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void |
Task.setChildTasks(List<Task<? extends Serializable>> childTasks)
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void |
ConditionalTask.setListTasks(List<Task<? extends Serializable>> listTasks)
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void |
Task.setParentTasks(List<Task<? extends Serializable>> parentTasks)
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Constructors in org.apache.hadoop.hive.ql.exec with parameters of type Task | |
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TaskRunner(Task<? extends Serializable> tsk,
TaskResult result)
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Constructor parameters in org.apache.hadoop.hive.ql.exec with type arguments of type Task | |
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TaskFactory.taskTuple(Class<T> workClass,
Class<? extends Task<T>> taskClass)
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Uses of Task in org.apache.hadoop.hive.ql.history |
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Methods in org.apache.hadoop.hive.ql.history with parameters of type Task | |
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void |
HiveHistory.endTask(String queryId,
Task<? extends Serializable> task)
Called at the end of a task. |
void |
HiveHistory.progressTask(String queryId,
Task<? extends Serializable> task)
Called at the end of a task. |
void |
HiveHistory.startTask(String queryId,
Task<? extends Serializable> task,
String taskName)
Called at the start of a task. |
Uses of Task in org.apache.hadoop.hive.ql.optimizer |
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Methods in org.apache.hadoop.hive.ql.optimizer that return Task | |
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Task<? extends Serializable> |
GenMRProcContext.getCurrTask()
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Task<? extends Serializable> |
GenMRProcContext.GenMapRedCtx.getCurrTask()
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Task<? extends Serializable> |
GenMRProcContext.GenMRUnionCtx.getUTask()
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Methods in org.apache.hadoop.hive.ql.optimizer that return types with arguments of type Task | |
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List<Task<? extends Serializable>> |
GenMRProcContext.getMvTask()
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HashMap<Operator<? extends Serializable>,Task<? extends Serializable>> |
GenMRProcContext.getOpTaskMap()
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List<Task<? extends Serializable>> |
GenMRProcContext.getRootTasks()
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Methods in org.apache.hadoop.hive.ql.optimizer with parameters of type Task | |
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static void |
GenMapRedUtils.initUnionPlan(GenMRProcContext opProcCtx,
Task<? extends Serializable> currTask,
boolean local)
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static void |
GenMapRedUtils.joinPlan(Operator<? extends Serializable> op,
Task<? extends Serializable> oldTask,
Task<? extends Serializable> task,
GenMRProcContext opProcCtx,
int pos,
boolean split,
boolean readMapJoinData,
boolean readUnionData)
|
static void |
GenMapRedUtils.joinPlan(Operator<? extends Serializable> op,
Task<? extends Serializable> oldTask,
Task<? extends Serializable> task,
GenMRProcContext opProcCtx,
int pos,
boolean split,
boolean readMapJoinData,
boolean readUnionData)
|
static void |
GenMapRedUtils.joinPlan(Operator<? extends Serializable> op,
Task<? extends Serializable> oldTask,
Task<? extends Serializable> task,
GenMRProcContext opProcCtx,
int pos,
boolean split,
boolean readMapJoinData,
boolean readUnionData,
boolean createLocalWork)
Merge the current task with the task for the current reducer. |
static void |
GenMapRedUtils.joinPlan(Operator<? extends Serializable> op,
Task<? extends Serializable> oldTask,
Task<? extends Serializable> task,
GenMRProcContext opProcCtx,
int pos,
boolean split,
boolean readMapJoinData,
boolean readUnionData,
boolean createLocalWork)
Merge the current task with the task for the current reducer. |
void |
GenMRProcContext.setCurrTask(Task<? extends Serializable> currTask)
|
void |
GenMRProcContext.GenMRUnionCtx.setUTask(Task<? extends Serializable> uTask)
|
static void |
GenMapRedUtils.splitTasks(Operator<? extends Serializable> op,
Task<? extends Serializable> parentTask,
Task<? extends Serializable> childTask,
GenMRProcContext opProcCtx,
boolean setReducer,
boolean local,
int posn)
|
static void |
GenMapRedUtils.splitTasks(Operator<? extends Serializable> op,
Task<? extends Serializable> parentTask,
Task<? extends Serializable> childTask,
GenMRProcContext opProcCtx,
boolean setReducer,
boolean local,
int posn)
|
Method parameters in org.apache.hadoop.hive.ql.optimizer with type arguments of type Task | |
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void |
GenMRProcContext.setMvTask(List<Task<? extends Serializable>> mvTask)
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void |
GenMRProcContext.setOpTaskMap(HashMap<Operator<? extends Serializable>,Task<? extends Serializable>> opTaskMap)
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void |
GenMRProcContext.setRootTasks(List<Task<? extends Serializable>> rootTasks)
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Constructors in org.apache.hadoop.hive.ql.optimizer with parameters of type Task | |
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GenMRProcContext.GenMapRedCtx(Task<? extends Serializable> currTask,
Operator<? extends Serializable> currTopOp,
String currAliasId)
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Uses of Task in org.apache.hadoop.hive.ql.optimizer.physical |
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Fields in org.apache.hadoop.hive.ql.optimizer.physical declared as Task | |
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protected Task<? extends Serializable> |
PhysicalContext.fetchTask
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Fields in org.apache.hadoop.hive.ql.optimizer.physical with type parameters of type Task | |
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protected List<Task<? extends Serializable>> |
PhysicalContext.rootTasks
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Methods in org.apache.hadoop.hive.ql.optimizer.physical that return Task | |
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Task<? extends Serializable> |
SkewJoinResolver.SkewJoinProcCtx.getCurrentTask()
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Methods in org.apache.hadoop.hive.ql.optimizer.physical with parameters of type Task | |
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static void |
GenMRSkewJoinProcessor.processSkewJoin(JoinOperator joinOp,
Task<? extends Serializable> currTask,
ParseContext parseCtx)
Create tasks for processing skew joins. |
void |
SkewJoinResolver.SkewJoinProcCtx.setCurrentTask(Task<? extends Serializable> currentTask)
|
Constructors in org.apache.hadoop.hive.ql.optimizer.physical with parameters of type Task | |
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PhysicalContext(HiveConf conf,
ParseContext parseContext,
Context context,
List<Task<? extends Serializable>> rootTasks,
Task<? extends Serializable> fetchTask)
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SkewJoinResolver.SkewJoinProcCtx(Task<? extends Serializable> task,
ParseContext parseCtx)
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Constructor parameters in org.apache.hadoop.hive.ql.optimizer.physical with type arguments of type Task | |
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PhysicalContext(HiveConf conf,
ParseContext parseContext,
Context context,
List<Task<? extends Serializable>> rootTasks,
Task<? extends Serializable> fetchTask)
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Uses of Task in org.apache.hadoop.hive.ql.parse |
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Fields in org.apache.hadoop.hive.ql.parse with type parameters of type Task | |
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protected List<Task<? extends Serializable>> |
BaseSemanticAnalyzer.rootTasks
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Methods in org.apache.hadoop.hive.ql.parse that return types with arguments of type Task | |
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List<Task<? extends Serializable>> |
BaseSemanticAnalyzer.getRootTasks()
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Uses of Task in org.apache.hadoop.hive.ql.plan |
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Methods in org.apache.hadoop.hive.ql.plan that return types with arguments of type Task | |
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HashMap<String,Task<? extends Serializable>> |
ConditionalResolverSkewJoin.ConditionalResolverSkewJoinCtx.getDirToTaskMap()
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List<Task<? extends Serializable>> |
ConditionalResolverMergeFiles.ConditionalResolverMergeFilesCtx.getListTasks()
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ArrayList<Task<? extends Serializable>> |
ExplainWork.getRootTasks()
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List<Task<? extends Serializable>> |
ConditionalResolverSkewJoin.getTasks(HiveConf conf,
Object objCtx)
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List<Task<? extends Serializable>> |
ConditionalResolver.getTasks(HiveConf conf,
Object ctx)
All conditional resolvers implement this interface. |
List<Task<? extends Serializable>> |
ConditionalResolverMergeFiles.getTasks(HiveConf conf,
Object objCtx)
|
Method parameters in org.apache.hadoop.hive.ql.plan with type arguments of type Task | |
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void |
ConditionalResolverSkewJoin.ConditionalResolverSkewJoinCtx.setDirToTaskMap(HashMap<String,Task<? extends Serializable>> dirToTaskMap)
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void |
ConditionalResolverMergeFiles.ConditionalResolverMergeFilesCtx.setListTasks(List<Task<? extends Serializable>> listTasks)
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void |
ExplainWork.setRootTasks(ArrayList<Task<? extends Serializable>> rootTasks)
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Constructor parameters in org.apache.hadoop.hive.ql.plan with type arguments of type Task | |
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ConditionalResolverMergeFiles.ConditionalResolverMergeFilesCtx(List<Task<? extends Serializable>> listTasks,
String dir)
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ConditionalResolverSkewJoin.ConditionalResolverSkewJoinCtx(HashMap<String,Task<? extends Serializable>> dirToTaskMap)
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ExplainWork(String resFile,
List<Task<? extends Serializable>> rootTasks,
String astStringTree,
boolean extended)
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