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Re: Google ProtocolBufferException exception when using ORC file format - Hive - [mail # user]
...Hi Zhang,  you can not load a text file as orc file as load command does not transform your txt file to orc. To write a orc file you will need to use hcatalog apis.  What you can d...
   Author: Nitin Pawar, 2013-10-17, 06:46
Re: No result display - Hive - [mail # user]
...1) there is no data loaded in table 2) there is no data matching to your where clause condition 3) there is mismatch in where condition  what you can do is run select * from data limit ...
   Author: Nitin Pawar, 2013-10-17, 04:50
Re: Create table as select - Hive - [mail # user]
...Hive 0.12 is just released today and I still have not got my hands on it. But the query you are trying works on hive-0.11  Hive dev team works extremely hard to keep backward compatibil...
   Author: Nitin Pawar, 2013-10-16, 06:57
Re: hive partition pruning on joining on partition column - Hive - [mail # user]
...one easiest way to do this is create a table where each date maps to week of month, week of year, day of week, day of month and then do the join on just date and put the conditions on where ...
   Author: Nitin Pawar, 2013-10-11, 19:30
Re: [ANN] Hivemall: Hive scalable machine learning library - Hive - [mail # user]
...Just tried this for some hot trends in forum managements. Was pretty impressive.  I will try this more deeply and if possible integrate in my product.  Thanks for the awesome work....
   Author: Nitin Pawar, 2013-10-11, 09:28
[expand - 2 more] - Re: Need help with Installation hive 0.11 - Hive - [mail # user]
...Baahu, from hive-0.11 , hcat is part of hive.  So you basically do not need to configure your ports etc in hcat_server.sh  what you need to set is hive.metastore.uris in hive-site....
   Author: Nitin Pawar, 2013-10-10, 07:39
[expand - 1 more] - Re: Can we reduce/fix number of mappers in Hive - Hive - [mail # user]
...What is your understanding of "4 hive setups" ?  How many maps or reducers are needed for your query is determined by the size of the data you got. You can alter the number of mappers n...
   Author: Nitin Pawar, 2013-10-10, 07:34
Re: Single Mapper - HIVE 0.11 - Hive - [mail # dev]
...whats the size of the table? (in GBs? )  Whats the max and min split sizes have you provied?   On Wed, Oct 9, 2013 at 10:28 PM, Gourav Sengupta wrote:     Nitin Pawar...
   Author: Nitin Pawar, 2013-10-09, 17:03
[HIVE-5432] self join for a table with serde definition fails with classNotFoundException, single queries work fine - Hive - [issue]
...Steps to reproduce hive> add jar /home/hive/udfs/hive-serdes-1.0-SNAPSHOT.jar;                               &nb...
http://issues.apache.org/jira/browse/HIVE-5432    Author: Nitin Pawar, 2013-10-08, 22:48
Re: Hive doesn't support special characters in column name - Hive - [mail # user]
...In hive the column names are restricted by alpha-numeric and _ (and not beginning with _)  Why it was done ? For my understanding, to avoid the unnecessary complexity in query parsing o...
   Author: Nitin Pawar, 2013-10-08, 19:09
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