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[HIVE-1603] support CSV text file format - Hive - [issue]
...Comma Separated Values (CSV) text format are commonly used in exchanging relational data between heterogeneous systems. Currently Hive uses TextFile format when displaying query results. Thi...
http://issues.apache.org/jira/browse/HIVE-1603    Author: Ning Zhang, 2012-04-24, 13:32
[HIVE-1885] Extended Read/WriteEntity to include Database and Index - Hive - [issue]
...Currently all DDLs on indexes and databases do not have Read/WriteEntities registered. This prevents pre/post execution hooks on databases and indexes. We should extende Read/WriteEntity for...
http://issues.apache.org/jira/browse/HIVE-1885    Author: Ning Zhang, 2012-02-24, 23:03
[HIVE-741] NULL is not handled correctly in join - Hive - [issue]
...With the following data in table input4_cb:Key        Value------       --------NULL     32518          NULLThe followin...
http://issues.apache.org/jira/browse/HIVE-741    Author: Ning Zhang, 2012-02-16, 23:42
[HIVE-1648] Automatically gathering statistics when reading a table/partition - Hive - [issue]
...HIVE-1361 introduces a new command 'ANALYZE TABLE T COMPUTE STATISTICS' to gathering stats. This requires additional scan of the data. Stats gathering can be piggy-backed on TableScanOperato...
http://issues.apache.org/jira/browse/HIVE-1648    Author: Ning Zhang, 2012-02-02, 22:37
[HIVE-1039] multi-insert doesn't work for local directories - Hive - [issue]
...As wd pointed out in hive-user, the following query only load data to the first local directory. Multi-insert to tables works fine. hive> from test    > INSERT OVERWRITE...
http://issues.apache.org/jira/browse/HIVE-1039    Author: Ning Zhang, 2011-12-17, 00:06
[HIVE-1017] && and || functions are not implemented and they should be removed from the results of 'show funcitons' - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-1017    Author: Ning Zhang, 2011-12-17, 00:06
[HIVE-1009] UNION ALL throws schema-not-match exception if one subquery is TRANSFORM and the other is a simple select - Hive - [issue]
...select s.key, s.value from  ( select transform(key, value) using 'cat' as (key, value) from src   UNION ALL   select key, value from src) s;throws schema-not-match e...
http://issues.apache.org/jira/browse/HIVE-1009    Author: Ning Zhang, 2011-12-17, 00:06
[HIVE-921] MapJoin output schema reordering - Hive - [issue]
...The FileSink operator following Map-side join sorts the output column names. This could results in wrong results if the number of columns of table is more than 10....
http://issues.apache.org/jira/browse/HIVE-921    Author: Ning Zhang, 2011-12-17, 00:05
[HIVE-877] error with cast(null as short) - Hive - [issue]
...also cast(null as long)...
http://issues.apache.org/jira/browse/HIVE-877    Author: Ning Zhang, 2011-12-17, 00:05
[HIVE-756] performance improvement for RCFile and ColumnarSerDe in Hive - Hive - [issue]
...There are some easy performance improvements in the columnar storage in Hive I found during Hackathon....
http://issues.apache.org/jira/browse/HIVE-756    Author: Ning Zhang, 2011-12-17, 00:05
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