org.apache.hadoop.hive.ql.udf.generic

Class GenericUDTFExplode

java.lang.Object

org.apache.hadoop.hive.ql.udf.generic.GenericUDTF

org.apache.hadoop.hive.ql.udf.generic.GenericUDTFExplode

public class GenericUDTFExplode
extends GenericUDTF

GenericUDTFExplode.

Constructor Summary

Constructors

Constructor and Description
GenericUDTFExplode()

Method Summary

Methods

Modifier and Type	Method and Description
void	close() Called to notify the UDTF that there are no more rows to process.
StructObjectInspector	initialize(ObjectInspector[] args) Initialize this GenericUDTF.
void	process(Object[] o) Give a set of arguments for the UDTF to process.
String	toString()

Methods inherited from class org.apache.hadoop.hive.ql.udf.generic.GenericUDTF

configure, forward, initialize, setCollector

Methods inherited from class java.lang.Object

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

Constructor Detail

GenericUDTFExplode

public GenericUDTFExplode()

Method Detail

close

public void close()
           throws HiveException

Description copied from class: GenericUDTF

Called to notify the UDTF that there are no more rows to process. Clean up code or additional forward() calls can be made here.

Specified by:

close in class GenericUDTF

Throws:

HiveException

initialize

public StructObjectInspector initialize(ObjectInspector[] args)
                                 throws UDFArgumentException

Description copied from class: GenericUDTF

Initialize this GenericUDTF. This will be called only once per instance.

Overrides:

initialize in class GenericUDTF

Parameters:

args - An array of ObjectInspectors for the arguments

Returns:

A StructObjectInspector for output. The output struct represents a row of the table where the fields of the stuct are the columns. The field names are unimportant as they will be overridden by user supplied column aliases.

Throws:

UDFArgumentException

process

public void process(Object[] o)
             throws HiveException

Description copied from class: GenericUDTF

Give a set of arguments for the UDTF to process.

Specified by:

process in class GenericUDTF

Parameters:

o - object array of arguments

Throws:

HiveException

toString

public String toString()

Overrides:

toString in class Object