what type of user defined UDFs are mostly written in Apache Hive and Apache PIG in Hadoop?
NickName:Raj Kumar Ask DateTime:2016-11-07T19:31:07

what type of user defined UDFs are mostly written in Apache Hive and Apache PIG in Hadoop?

What kind of user defined UDFs are usually customized or written in PIG and HIVE in Bigdata and Hadoop projects OR what type of user defined UDFs are mostly written in Apache Hive and Apache PIG in Hadoop?

Copyright Notice:Content Author:「Raj Kumar」,Reproduced under the CC 4.0 BY-SA copyright license with a link to the original source and this disclaimer.
Link to original article:https://stackoverflow.com/questions/40464145/what-type-of-user-defined-udfs-are-mostly-written-in-apache-hive-and-apache-pig

More about “what type of user defined UDFs are mostly written in Apache Hive and Apache PIG in Hadoop?” related questions

what type of user defined UDFs are mostly written in Apache Hive and Apache PIG in Hadoop?

What kind of user defined UDFs are usually customized or written in PIG and HIVE in Bigdata and Hadoop projects OR what type of user defined UDFs are mostly written in Apache Hive and Apache PIG in

Show Detail

Pig HCatLoader java.lang.String cannot be cast to org.apache.hadoop.hive.common.type.HiveVarchar

I am having below external hive table which I will be using later for processing. CREATE EXTERNAL TABLE hive_test_table( cmp_dte DATE, my_ind CHAR(1), typ_desc VARCHAR(40), def_typ_desc VA...

Show Detail

Apache Pig UDF no output

I'm using Apache Pig 0.15.0 on a multi-node Hadoop cluster. I put some of my work in Pig UDFs, written in Java. However, after Pig and Hadoop said they finished successfully, I got no output from m...

Show Detail

How to use Python streaming UDFs in pig on Amazon EMR

Pig 0.12 introduced streaming python UDFs, but they're experimental, so they need Hadoop 1. http://pig.apache.org/docs/r0.12.1/udf.html#python-udfs However, the only Amazon-provided AMI that can ...

Show Detail

Implementation of Apache Pig and Hadoop

I have learnt that Pig is built on top of Apache Hadoop. But I am not able to find the extra features that a bare hadoop implementation lacks that Pig has. What caused the need for a language like ...

Show Detail

Apache Pig type casting

I'm using Apache Pig to do some data processing work. I wrote a Pig Latin script like this: raw = Load 'data.csv' USING MyLoader(); repaired = FOREACH raw GENERATE MyRepairFunc(*); filtered = FORE...

Show Detail

What is the proper value of HADOOP_HOME and PIG_CLASSPATH for APACHE HADOOP version 2.8.0?

I have the problem executing the Hadoop command from the PIG command line. The command and the error stack is below My instructor suspects that it is because HADDOP_HOME and PIG_CLASSPATH are inc...

Show Detail

Reading hive table using Pig script

I am trying to read hive table using PIG script but when I run a pig code to read a table in hive its giving me following error: 2014-02-12 15:48:36,143 [main] WARN org.apache.hadoop.hive.conf.Hiv...

Show Detail

Can not write to Hive table from pig

I have weird situation. When I'm running pig script as test1 user, script executes successfully: pig -param_file /tmp/pig_parameters.param -param DBNAME=default -param TABLENAME=test_pig_table_orc -

Show Detail

Hive: How to load data produced by apache pig into a hive table?

I am trying to load the output of pig into a hive table. The data are stored as avro schema on HDFS. In the pig job, I am simply doing: data = LOAD 'path' using AvroStorage(); data = FILTER BY some

Show Detail