Package org.apache.hadoop.hive.ql.hooks

Interface Summary

Interface	Description
ExecuteWithHookContext	ExecuteWithHookContext is a new interface that the Pre/Post Execute Hook can run with the HookContext.
Hook	The new interface for all the pre execute hooks and post execute hooks
QueryLifeTimeHook	A type of hook which triggers before query compilation and after query execution.
QueryLifeTimeHookContext	Hook context for QueryLifeTimeHook.
QueryLifeTimeHookWithParseHooks	Extension of QueryLifeTimeHook that has hooks for pre and post parsing of a query.

Class Summary

Class	Description
ATSHook	ATSHook sends query + plan info to Yarn App Timeline Server.
DriverTestHook
EnforceReadOnlyTables	Implementation of a pre execute hook that prevents modifications of read-only tables used by the test framework
Entity	This class encapsulates an object that is being read or written to by the query.
HiveProtoLoggingHook	Log events from hive hook using protobuf serialized format, partitioned by date.
HookContext	Hook Context keeps all the necessary information for all the hooks.
HookUtils
LineageInfo	This class contains the lineage information that is passed to the PreExecution hook.
LineageInfo.BaseColumnInfo	Base Column information.
LineageInfo.DataContainer	Table or Partition data container.
LineageInfo.Dependency	This class tracks the dependency information for the base column.
LineageInfo.DependencyKey	Class that captures the lookup key for the dependency.
LineageInfo.Predicate	This class tracks the predicate information for an operator.
LineageInfo.TableAliasInfo
LineageLogger	Implementation of a post execute hook that logs lineage info to a log file.
LineageLogger.Edge	An edge in lineage.
LineageLogger.Vertex	A vertex in lineage.
MaterializedViewRegistryPropertiesHook	Implementation of a pre execute hook that reloads the materialized view registry if needed by the test framework
MetricsQueryLifeTimeHook	LifeTimeHook gathering metrics for the query lifecycle if the metrics are enabled
NoOperatorReuseCheckerHook	Checks whenever operator ids are not reused.
PostExecOrcFileDump	Post exec hook to print orc file dump for files that will be read by fetch task.
PostExecOrcRowGroupCountPrinter	Post execution hook to print number of ORC row groups read from the counter.
PostExecTezSummaryPrinter	Post execution hook to print hive tez counters to console error stream.
PostExecutePrinter	Implementation of a post execute hook that simply prints out its parameters to standard output.
PostExecWMEventsSummaryPrinter	Post execution (success or failure) hook to print hive workload manager events summary.
PreExecutePrinter	Implementation of a pre execute hook that simply prints out its parameters to standard output.
PrivateHookContext
QueryLifeTimeHookContextImpl
QueryLifeTimeHookContextImpl.Builder
ReadEntity	This class encapsulates the information on the partition and tables that are read by the query.
Redactor
RuntimeStatsPersistenceCheckerHook	This hook adds a persistence loop-back ensure that runtime statistics could be used.
UpdateInputAccessTimeHook	Implementation of a pre execute hook that updates the access times for all the inputs.
UpdateInputAccessTimeHook.PreExec
WriteEntity	This class encapsulates an object that is being written to by the query.

Enum Summary

Enum	Description
Entity.Type	The type of the entity.
HiveProtoLoggingHook.EventType
HiveProtoLoggingHook.ExecutionMode
HiveProtoLoggingHook.OtherInfoType
HookContext.HookType
LineageInfo.DependencyType	Enum to track dependency.
LineageLogger.Edge.Type	The types of Edge.
LineageLogger.Vertex.Type	A type in lineage.
WriteEntity.WriteType