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Re: Interference between two customSerde.jar - Hive - [mail # user]
...Without more specific info about the two serdes I can't be sure, but most likely there may be a dependency conflict between the two serdes. Sometimes, for instance, they may use a different ...
   Author: Roberto Congiu, 2012-10-12, 23:39
Re: SerDe loading external scheme - Hive - [mail # user]
...I think the additions you make to the Configuration object in the client are done after the job.xml is written to disk and sent to the rest of the cluster, but  you could add the extern...
   Author: Roberto Congiu, 2012-04-05, 17:35
Re: Accessing elements from array returned by split() function - Hive - [mail # user]
...You can also use parse_url(url, 'HOST') instead of a regular expression.  On Thu, Mar 1, 2012 at 1:32 PM, Saurabh S  wrote:  ...
   Author: Roberto Congiu, 2012-03-02, 00:17
Re: Adding Hive Partitions Programatically. - Hive - [mail # user]
...Also consider that if you're using the metastore API, you'll most likely need to recompile  whenever you upgrade hive, while you most likely won't need to do that if you use thrift. &nb...
   Author: Roberto Congiu, 2012-03-01, 22:48
Re: 2 questions about SerDe - Hive - [mail # user]
...Have a look at the code for the LazySerDes. When you deserialize in the SerDe, you don't actually have to deserialize all the columns. Deserialized could return an object that is not actuall...
   Author: Roberto Congiu, 2012-02-21, 16:35
Re: Executing queries on rows from multiple tables - Hive - [mail # user]
...You can use UNION even if the tables are different: SELECT * FROM (   select_statement   UNION ALL   select_statement ) unionResult   https://cwiki.apache.org/confluence/...
   Author: Roberto Congiu, 2012-02-14, 03:45
Re: external partitioned table - Hive - [mail # user]
...Hi Koert, we have a similar situation and this is what we did. In our case, the partitions correspond to dates. We also have multiple external tables set up this way. The upstream process up...
   Author: Roberto Congiu, 2012-02-08, 19:18
[expand - 1 more] - Re: error on left/right join, hive 0.8.0 - Hive - [mail # user]
...Woops... you're right and I apologize for the .  We were using the stock cloudera 0.7 version but needed some patches in 0.8 so I took the cloudera hive srpm, changed the spec file, sou...
   Author: Roberto Congiu, 2012-01-20, 18:29
hiveserver not picking up the files in HIVE_AUX_JARS_PATH - Hive - [mail # user]
...Hey guys,  I ran into a quite annoying issue. I have some jars in HIVE_AUX_JARS_PATH that include some serdes and UDF. They work fine from CLI, but when I run the same queries through h...
   Author: Roberto Congiu, 2012-01-13, 01:26
Re: nested JSON structures - Hive - [mail # user]
...I wrote a SerDe that can handle nested structures.  https://github.com/rcongiu  Roberto  On Fri, Dec 9, 2011 at 7:42 AM, Ibrahim Acet  wrote:  ive , the built-ins * ...
   Author: Roberto Congiu, 2011-12-09, 17:29
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