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
PostExecute	The post execute hook interface.
PreExecute	The pre execute hook interface.

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.
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.TableAliasInfo
PostExecutePrinter	Implementation of a post execute hook that simply prints out its parameters to standard output.
PreExecutePrinter	Implementation of a pre execute hook that simply prints out its parameters to standard output.
ReadEntity	This class encapsulates the information on the partition and tables that are read by the query.
Redactor
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.
HookContext.HookType
LineageInfo.DependencyType	Enum to track dependency.
WriteEntity.WriteType