brickhouse.udf.collect
Class JoinArrayUDF

java.lang.Object
  org.apache.hadoop.hive.ql.udf.generic.GenericUDF
      brickhouse.udf.collect.JoinArrayUDF

public class JoinArrayUDF
extends org.apache.hadoop.hive.ql.udf.generic.GenericUDF

Return a Ruby-like Array join , appending a separator between

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.hive.ql.udf.generic.GenericUDF

org.apache.hadoop.hive.ql.udf.generic.GenericUDF.DeferredJavaObject, org.apache.hadoop.hive.ql.udf.generic.GenericUDF.DeferredObject

Constructor Summary

JoinArrayUDF()

Method Summary

Object	evaluate(org.apache.hadoop.hive.ql.udf.generic.GenericUDF.DeferredObject[] arg0)
String	evaluate(List<Object> strArray, String sep)
String	getDisplayString(String[] arg0)
org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector	initialize(org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector[] arg0)

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

getRequiredFiles, getRequiredJars, initializeAndFoldConstants

Methods inherited from class java.lang.Object

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

Constructor Detail

JoinArrayUDF

public JoinArrayUDF()

Method Detail

evaluate

public String evaluate(List<Object> strArray,
                       String sep)

evaluate

public Object evaluate(org.apache.hadoop.hive.ql.udf.generic.GenericUDF.DeferredObject[] arg0)
                throws org.apache.hadoop.hive.ql.metadata.HiveException

Specified by:

evaluate in class org.apache.hadoop.hive.ql.udf.generic.GenericUDF

Throws:

org.apache.hadoop.hive.ql.metadata.HiveException

getDisplayString

public String getDisplayString(String[] arg0)

Specified by:

getDisplayString in class org.apache.hadoop.hive.ql.udf.generic.GenericUDF

initialize

public org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector initialize(org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector[] arg0)
                                                                         throws org.apache.hadoop.hive.ql.exec.UDFArgumentException

Specified by:

initialize in class org.apache.hadoop.hive.ql.udf.generic.GenericUDF

Throws:

org.apache.hadoop.hive.ql.exec.UDFArgumentException