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Re: UDF reflect - Hive - [mail # user]
...It's probably not as pretty as the new built-in version, but thisallows scripted UDFs in any javax.script language:https://github.com/livingsocial/HiveSwarm/blob/master/src/main/java/com/liv...
   Author: John Meagher, 2014-04-03, 20:38
Re: Help with simple UDF error.. - Hive - [mail # user]
...Try changing ArrayList to just List as the argument to the evaluate function.On Thu, Feb 13, 2014 at 12:15 PM, Manish  wrote: ...
   Author: John Meagher, 2014-02-13, 17:21
[expand - 1 more] - Re: Can data be passed to the final mode init call in a UDAF? - Hive - [mail # user]
...The code I'm having problems with ishttps://github.com/livingsocial/HiveSwarm/blob/WIP_scripting/src/main/java/com/livingsocial/hive/udf/ScriptedUDAF.java.There is a FIXME comment at the pro...
   Author: John Meagher, 2014-02-12, 14:41
[expand - 1 more] - Re: FUNCTION HIVE to DAYS OF WEEK - Hive - [mail # user]
...The pom.xml file in the top level specifies the version of Hadoop and Hiveit is compiling against.  There are 2 ways to get things working:1) Modify the HiveSwarm pom.xml file to refere...
   Author: John Meagher, 2014-02-11, 14:31
Re: Formatting hive queries - Hive - [mail # user]
...I use vim and https://github.com/vim-scripts/SQLUtilities to do it. It's not hive specific.  Any SQL formatting tool will work.  On Tue, Jan 21, 2014 at 11:23 PM, pandees waran &nb...
   Author: John Meagher, 2014-01-22, 14:15
Re: Problème with min function in HiveQL - Hive - [mail # user]
...Aggregate functions need to go in a HAVING clause instead of the WHERE clause.  WHERE clauses are applied prior to aggregation, HAVING is applied post aggregation.  select ... from...
   Author: John Meagher, 2013-08-29, 18:53
Re: Java Courses for Scripters/Big Data Geeks - Hive - [mail # user]
...The Data Science course on Coursera has a pretty good overview of map reduce, Hive, and Pig without going into the Java side of things. https://www.coursera.org/course/datasci.  It's no...
   Author: John Meagher, 2013-07-17, 19:56
Re: Hive - max rows limit (int limit = 2^31). need Help (looks liek a bug) - Hive - [mail # user]
...What is the data type of the p1 column?  I've used hive with partitions containing far above 2 billion rows without having any problems like this.  On Wed, May 29, 2013 at 2:41 PM,...
   Author: John Meagher, 2013-05-29, 21:05
Re: How to do a calculation among 2 rows? - Hive - [mail # user]
...There's a new release candidate version of Hive that includes windowing functions that address this.  RC1 is available at http://people.apache.org/~hashutosh/hive-0.11.0-rc1/.  Als...
   Author: John Meagher, 2013-05-15, 13:58
Re: Hive Group By Limitations - Hive - [mail # user]
..."Not quite sure but I think each group by will give another M/R job."  It will be done in a single M/R job no matter how many fields are in the GROUP BY clause.  On Mon, May 6, 201...
   Author: John Meagher, 2013-05-06, 18:34
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