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Re: Impala Query problem - Hive - [mail # user]
...It might be best to use the forum for Impala. I am not sure what replies your are expecting from the hive and hbase mailing lists.  https://groups.google.com/a/cloudera.org/forum/#!foru...
   Author: Bertrand Dechoux, 2013-10-22, 08:30
Re: Export to RDBMS directly - Hive - [mail # user]
...The short answer is no. You could at the moment write your own input format/output format in order to do so. I don't know all the details for hive but that's possible. However, you will like...
   Author: Bertrand Dechoux, 2013-07-18, 05:13
Re: How Can I store the Hive query result in one file ? - Hive - [mail # user]
...The question is what is the volume of your output. There is one file per output task (map or reduce) because that way each can write it independently and in parallel. That's how mapreduce wo...
   Author: Bertrand Dechoux, 2013-07-04, 11:09
Re: Run queries from external files as subqueries - Hive - [mail # user]
...I am afraid that there is no automatic way of doing so. But that would be the same answer whether the question is about hive or any relational database. (I would be glad to have counter exam...
   Author: Bertrand Dechoux, 2013-06-20, 20:09
Re: .sql vs. .hql - Hive - [mail # user]
...Basically, hive does only support its own SQL witch is called HQL. The prefix of the files, as hinted by Matt, is only a convention. You could put whatever you want, that won't impact hive. ...
   Author: Bertrand Dechoux, 2013-06-02, 08:59
Re: Real-life experience of forcing smaller input splits? - Hive - [mail # user]
...It seems to me the question has not been answered : "is it possible yes or no to force a smaller split size than a block on the mappers"  Not that I know (but you could implement someth...
   Author: Bertrand Dechoux, 2013-01-25, 09:37
Re: FROM INSERT after ADD COLUMN - Hive - [mail # user]
...I will reopen the subject a bit.  I don't know the details of the RCFile implementation in Hive but if the data were stored that way it is theoretically possible to add the column data ...
   Author: Bertrand Dechoux, 2012-12-10, 06:32
Re: Java run - Hive - [mail # user]
...Hello Dalia,  You might want to provide more details.  1) You are writing to the Hive mailing list. Does it means you want to run a hive query? The wiki is not exhaustive (and that...
   Author: Bertrand Dechoux, 2012-11-25, 00:57
Re: How to run multiple Hive queries in parallel - Hive - [mail # user]
...Bejoy is right. I just want to say explicitly that the scheduler configuration is something which is orthogonal to the use of Hive. (ie same problem with Pig or standard MapReduce jobs). &nb...
   Author: Bertrand Dechoux, 2012-10-22, 12:22
Re: How to get percentage of each group? - Hive - [mail # user]
...Hi,  You could use a cross join. You basically have one table  select       userType     , count(1) from     some_table group by     us...
   Author: Bertrand Dechoux, 2012-09-07, 05:34
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