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

Class GenericUDTFGetSQLSchema

java.lang.Object

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

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

public class GenericUDTFGetSQLSchema
extends GenericUDTF

GenericUDTFGetSQLSchema.

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.hadoop.mapred.JobConf	jc
protected StringObjectInspector	stringOI

Constructor Summary

Constructors

Constructor and Description
GenericUDTFGetSQLSchema()

Method Summary

Modifier and Type	Method and Description
void	close() Called to notify the UDTF that there are no more rows to process.
StructObjectInspector	initialize(ObjectInspector[] arguments) Initialize this GenericUDTF.
void	process(Object[] arguments) 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

Field Detail

stringOI

protected transient StringObjectInspector stringOI

jc

protected transient org.apache.hadoop.mapred.JobConf jc

Constructor Detail

GenericUDTFGetSQLSchema

public GenericUDTFGetSQLSchema()

Method Detail

process

public void process(Object[] arguments)
             throws HiveException

Description copied from class: GenericUDTF

Give a set of arguments for the UDTF to process.

Specified by:

process in class GenericUDTF

Parameters:

arguments - object array of arguments

Throws:

HiveException

initialize

public StructObjectInspector initialize(ObjectInspector[] arguments)
                                 throws UDFArgumentException

Description copied from class: GenericUDTF

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

Overrides:

initialize in class GenericUDTF

Parameters:

arguments - 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

toString

public String toString()

Overrides:

toString in class Object

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