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[HIVE-4753] ORC indexes should include the length of the data to read - Hive - [issue]
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...ORC indexes should include the length of data that must be read in each stream for the rows associated with that entry....
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http://issues.apache.org/jira/browse/HIVE-4753
Author: Owen O'Malley,
2013-06-18, 22:43
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[HIVE-4724] ORC readers should have a better error detection for non-ORC files - Hive - [issue]
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...A customer loaded a text file into a table that is stored as ORC. The error message was very unfriendly....
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http://issues.apache.org/jira/browse/HIVE-4724
Author: Owen O'Malley,
2013-06-12, 22:54
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Re: OrcFile writing failing with multiple threads - Hive - [mail # user]
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...Sorry for dropping this thread for so long. Are you using the orc.Writer interface directly or going through the OrcOutputFormat? I forgot that I had updated the Writer to synchronize things...
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Author: Owen O'Malley,
2013-06-11, 17:00
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[HIVE-4698] ORC's file footer should include the encodings of the columns - Hive - [issue]
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...To ensure that a reader won't get surprised by the column encodings in the stripes, it would be good to include the set of encodings for each column in the file footer....
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http://issues.apache.org/jira/browse/HIVE-4698
Author: Owen O'Malley,
2013-06-10, 21:23
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Re: Create table like with partitions - Hive - [mail # user]
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...You need to create the partitioned table and then copy the rows into it. create table foo_staging (int x, int y); create table foo(int x) partitioned by (int y) clustered by (x) ...
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Author: Owen O'Malley,
2013-06-10, 14:06
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[HIVE-4245] Implement numeric dictionaries in ORC - Hive - [issue]
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...For many applications, especially in de-normalized data, there is a lot of redundancy in the numeric columns. Therefore, it would make sense to adaptively use dictionary encodings for numeri...
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http://issues.apache.org/jira/browse/HIVE-4245
Author: Owen O'Malley,
2013-06-07, 23:54
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Re: Using JSON Data with Hive - Hive - [mail # user]
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...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, ...
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Author: Owen O'Malley,
2013-06-07, 18:45
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[HIVE-4639] Add has null flag to ORC internal index - Hive - [issue]
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...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....
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http://issues.apache.org/jira/browse/HIVE-4639
Author: Owen O'Malley,
2013-06-04, 23:12
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[HIVE-4634] Add hasNull flag to ORC index - Hive - [issue]
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...It would help the predicate pushdown, if the index recorded whether each 10k rows had null values in that column....
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http://issues.apache.org/jira/browse/HIVE-4634
Author: Owen O'Malley,
2013-06-04, 23:01
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Re: 0.9.1 branch. - Hive - [mail # dev]
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...https://github.com/apache/hive/commit/e42ec89b31ae056e51d8db25d4ecc1a8a51212e0 On Mon, Jun 3, 2013 at 12:10 PM, ur lops wrote: ...
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Author: Owen O'Malley,
2013-06-03, 10:20
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