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Re: Simple UDF to return array - Hive - [mail # user]
...Hi Sunita,yes, it's definitely possible and you should use Generic UDFs.I wrote one UDF that takes n arrays (each one with the same number ofelements) and returns an array of structs which i...
   Author: Roberto Congiu, 2014-01-30, 18:14
Re: JSON data to HIVE table - Hive - [mail # user]
...Also https://github.com/rcongiu/Hive-JSON-Serde ;)   On Mon, Jan 6, 2014 at 12:00 PM, Russell Jurney wrote:     Good judgement comes with experience. Experience comes with bad...
   Author: Roberto Congiu, 2014-01-07, 07:22
Re: HiveServer2 - Hive - [mail # user]
...Yeah, we had issues with zk locking too....but this workaround works pretty well and our ops won't get paged at 4am :)   On Mon, Nov 18, 2013 at 2:16 PM, Edward Capriolo wrote:   &...
   Author: Roberto Congiu, 2013-11-18, 22:23
Re: SerDe for Fixed Columns? - Hive - [mail # user]
...Also, you could use the regexp serde using a regexp like (.{10})(.{3})(.{4}) etc (1st column -> 10 characters, 2nd col -> 3 characters, etc).   On Mon, Oct 28, 2013 at 1:03 PM, Ni...
   Author: Roberto Congiu, 2013-10-28, 20:26
IMPORTANT: access to ox3 non-archived hive tables - Hive - [mail # user]
...Hey guys,  on the storage grid there are some tables (we called them 'raw') that actually reside on the main grid and are supposed to be accessed only by  support engineers and by ...
   Author: Roberto Congiu, 2013-10-09, 00:29
Generic UDFs and named parameters - Hive - [mail # user]
...Hey guys, I wrote a generic UDF that takes a variable name of arrays and returns an array of structs built with the input arrays, something like:  structify(array1,array2,array3) -> ...
   Author: Roberto Congiu, 2013-09-17, 02:00
Re: BytesWritable - Hive - [mail # user]
...Hi Josh, it doesn't have to. However, your table does not specify any input format, which makes Hive use the default HiveIgnoreKeyTextOutputFormat (see http://grepcode.com/file/repository.cl...
   Author: Roberto Congiu, 2013-07-29, 15:33
UDF for transforming a collection of arrays into an array of structs - Hive - [mail # user]
...Hi, I am working on ingesting some legacy data that is denormalized in hive somewhat like the following:  CREATE TABLE mytable (            order_id int, &...
   Author: Roberto Congiu, 2013-03-29, 21:29
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
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