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Re: Using JSON Data with Hive - Hive - [mail # user]
...You might look at Russell's blog about using JSON in Hive:  http://hortonworks.com/blog/discovering-hive-schema-in-collections-of-json-documents/   On Fri, Jun 7, 2013 at 8:24 AM, ...
   Author: Owen O'Malley, 2013-06-07, 18:45
[HIVE-4639] Add has null flag to ORC internal index - Hive - [issue]
...It would enable more predicate pushdown if we added a flag to the index entry recording if there were any null values in the column for the 10k rows....
http://issues.apache.org/jira/browse/HIVE-4639    Author: Owen O'Malley, 2013-06-04, 23:12
[HIVE-4634] Add hasNull flag to ORC index - Hive - [issue]
...It would help the predicate pushdown, if the index recorded whether each 10k rows had null values in that column....
http://issues.apache.org/jira/browse/HIVE-4634    Author: Owen O'Malley, 2013-06-04, 23:01
Re: 0.9.1 branch. - Hive - [mail # dev]
...https://github.com/apache/hive/commit/e42ec89b31ae056e51d8db25d4ecc1a8a51212e0   On Mon, Jun 3, 2013 at 12:10 PM, ur lops  wrote:  ...
   Author: Owen O'Malley, 2013-06-03, 10:20
Re: Accessing Table Properies from InputFormat - Hive - [mail # user]
...On Tue, May 28, 2013 at 9:27 AM, Edward Capriolo wrote:   I don't view columnar or self describing data-types as an edge case. I think in a couple years, the various columnar stores (OR...
   Author: Owen O'Malley, 2013-05-28, 17:31
Re: assign bugs to myself in ASF Jira - Hive - [mail # dev]
...On Tue, May 21, 2013 at 10:20 AM, Eugene Koifman wrote:   done...
   Author: Owen O'Malley, 2013-05-22, 03:16
Re: Filtering - Hive - [mail # user]
...On Sun, May 19, 2013 at 3:11 PM, Peter Marron  wrote:   You're welcome.  **** ** **  well, you don't need double quotes, but yes.    Right. You want the seriali...
   Author: Owen O'Malley, 2013-05-20, 04:36
[HIVE-3889] Add floating point compression to ORC file - Hive - [issue]
...Karol Wegrzycki, a CS student at University of Warsaw, has implemented an FPC compressor for doubles. It would be great to hook this up to the ORC file format so that we can get better compr...
http://issues.apache.org/jira/browse/HIVE-3889    Author: Owen O'Malley, 2013-05-17, 17:41
[HIVE-4242] Predicate push down should also be provided to InputFormats - Hive - [issue]
...Currently, the push down predicate is only provided to native tables if the hive.optimize.index.filter configuration variable is set. There is no reason to prevent InputFormats from getting ...
http://issues.apache.org/jira/browse/HIVE-4242    Author: Owen O'Malley, 2013-05-17, 17:41
[HIVE-4244] Make string dictionaries adaptive in ORC - Hive - [issue]
...The ORC writer should adaptively switch between dictionary and direct encoding. I'd propose looking at the first 100,000 values in each column and decide whether there is sufficient loading ...
http://issues.apache.org/jira/browse/HIVE-4244    Author: Owen O'Malley, 2013-05-17, 17:41
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