org.apache.drill.exec.ops

Class ContextInformation

java.lang.Object

org.apache.drill.exec.ops.ContextInformation

public class ContextInformation
extends Object

Provides query context information (such as query start time, query user, default schema etc.) for UDFs.

Constructor Summary

Constructors

Constructor and Description
ContextInformation(UserBitShared.UserCredentials userCredentials, BitControl.QueryContextInformation queryContextInfo)

Method Summary

Modifier and Type	Method and Description
String	getCurrentDefaultSchema()
long	getQueryStartTime()
String	getQueryUser()
int	getRootFragmentTimeZone()
String	getSessionId()

Methods inherited from class java.lang.Object

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

Constructor Detail

ContextInformation

public ContextInformation(UserBitShared.UserCredentials userCredentials,
                          BitControl.QueryContextInformation queryContextInfo)

Method Detail

getQueryUser

public String getQueryUser()

Returns:

userName of the user who issued the current query.

getCurrentDefaultSchema

public String getCurrentDefaultSchema()

Returns:

Get the current default schema in user session at the time of this particular query submission.

getQueryStartTime

public long getQueryStartTime()

Returns:

Query start time in milliseconds

getRootFragmentTimeZone

public int getRootFragmentTimeZone()

Returns:

Time zone.

getSessionId

public String getSessionId()

Returns:

Unique id of the user session