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[HIVE-8642] Hive stack() UDTF Doesn't Support NULL Insert Values - Hive - [issue]
...The following tables exist:1. test_table –  schema {"field_a":STRING, "field_b":STRING, "field_c":STRING}2. dual – schema {"field_1":INT}test_table contents:en dbpedia http:...
http://issues.apache.org/jira/browse/HIVE-8642    Author: Nishant Kelkar, 2014-11-20, 19:33
Re: CREATE (PARTITIONED) TABLE AS error - Hive - [mail # user]
...The following worked for me:int);SELECT stack(1,2, 'val', 2014, 5) AS(key, value, yr, mth) FROM singlerow;Note that you need the second SET command to allow for dynamic partitioningover all ...
   Author: Nishant Kelkar, 2014-11-05, 17:50
[expand - 1 more] - Re: Integration Testing with Hive - Hive - [mail # user]
...Note: I've looked into the HiveRunner and hive_test projects as mentionedin my SO post. However, neither of these support a CDH Hadoop version,which is what I need to use. Specifically, my C...
   Author: Nishant Kelkar, 2014-11-05, 08:32
[expand - 2 more] - Re: Passing NULL Value to Partitioned Field in Table - Hive - [mail # user]
...Just found a related ticket: https://issues.apache.org/jira/browse/HIVE-1309Best Regards,Nishant KelkarOn Sun, Nov 2, 2014 at 10:32 PM, Nishant Kelkar wrote: ...
   Author: Nishant Kelkar, 2014-11-03, 06:39
Re: Hive: Select * command not working similar to RDBMS - Hive - [mail # user]
...Hey Siva,Welcome to Hive! :)I don't know why the issue you pointed out is happening, but I'd stronglyrecommend to go with hive-0.13. There's two reasons for that:1. This could be something t...
   Author: Nishant Kelkar, 2014-09-16, 16:34
[expand - 2 more] - Re: Remove duplicate records in Hive - Hive - [mail # user]
...Try something like this then:SELECT A.cno, A.sqno, A.sorted_dates[A.size-1] AS latest_dateFROM(SELECT cno, sqno,SORT_ARRAY(COLLECT_SET(date)) AS sorted_dates, SIZE(COLLECT_SET(date)) ASsizeF...
   Author: Nishant Kelkar, 2014-09-10, 22:40
[expand - 1 more] - Re: Output File Path- Directory Structure - Hive - [mail # user]
...Hi Anusha,1. Well, not quite. What my solution gives you is only a way to move yourdata from 's3://some-bucket/pageviews/dt=20120311/key=ACME1234/site=example.com/Output-file-1' to 's3://som...
   Author: Nishant Kelkar, 2014-09-09, 18:20
[expand - 2 more] - Re: Collect_set() of non-primitive types - Hive - [mail # user]
...Geez, too many mistakes for the day :PI meant the following above*CREATE TABLE* rollup_new *AS*SELECT id, start_time, collect_set(concat_ws(",", object.name, object.value, object.type)) AS p...
   Author: Nishant Kelkar, 2014-09-03, 21:09
Re: Learn Java for Hadoop - Hive - [mail # user]
...Hi Saurabh,Welcome to the world of Apache Hadoop! Here are a few good places to start:1. Apache Hadoop Definitive Guide book:http://shop.oreilly.com/product/0636920021773.do (you could find ...
   Author: Nishant Kelkar, 2014-08-14, 23:39
Re: Data in Hive - Hive - [mail # user]
...Hi there!So Hive stores it's data in HDFS. That means, it is distributed by default.The distribution factor is controlled by parameters, specifically the blocksize(dfs.block.size). The file ...
   Author: Nishant Kelkar, 2014-08-14, 20:06
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB