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[HIVE-7989] Optimize Windowing function performance for row frames - Hive - [issue]
...To find aggregate value for each row, current windowing function implementation creates a new aggregation buffer for each row, iterates over all the rows in respective window frame, puts the...
http://issues.apache.org/jira/browse/HIVE-7989    Author: Ankit Kamboj, 2014-09-06, 09:13
[HIVE-7508] Kerberos support for streaming - Hive - [issue]
...Add kerberos support for streaming to secure Hive cluster....
http://issues.apache.org/jira/browse/HIVE-7508    Author: Roshan Naik, 2014-09-06, 08:28
[HIVE-7870] Insert overwrite table query does not generate correct task plan [Spark Branch] - Hive - [issue]
...Insert overwrite table query does not generate correct task plan when hive.optimize.union.remove and hive.merge.sparkfiles properties are ON. set hive.optimize.union.remove=trueset hive.merg...
http://issues.apache.org/jira/browse/HIVE-7870    Author: Na Yang, 2014-09-06, 07:46
[HIVE-7990] With fetch column stats disabled number of elements in grouping set is not taken into account - Hive - [issue]
...For queries with rollup and cube the number of rows calculation in GroupByStatsRule should be multiplied by number of elements in grouping set.A side effect of this defect is that reducers w...
http://issues.apache.org/jira/browse/HIVE-7990    Author: Mostafa Mokhtar, 2014-09-06, 06:04
[HIVE-7509] Fast stripe level merging for ORC - Hive - [issue]
...Similar to HIVE-1950, add support for fast stripe level merging of ORC files through CONCATENATE command and conditional merge task. This fast merging is ideal for merging many small ORC fil...
http://issues.apache.org/jira/browse/HIVE-7509    Author: Prasanth J, 2014-09-06, 06:03
[HIVE-8006] CBO Trunk Merge: Test fail that includes Table Sample, rows(), query hints - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-8006    Author: Laljo John Pullokkaran, 2014-09-06, 05:48
[HIVE-7956] When inserting into a bucketed table, all data goes to a single bucket [Spark Branch] - Hive - [issue]
...I created a bucketed table:create table testBucket(x int,y string) clustered by(x) into 10 buckets;Then I run a query like:set hive.enforce.bucketing = true;insert overwrite table testBucket...
http://issues.apache.org/jira/browse/HIVE-7956    Author: Rui Li, 2014-09-06, 05:43
[HIVE-5871] Use multiple-characters as field delimiter - Hive - [issue]
...By default, hive only allows user to use single character as field delimiter. Although there's RegexSerDe to specify multiple-character delimiter, it can be daunting to use, especially for a...
http://issues.apache.org/jira/browse/HIVE-5871    Author: Rui Li, 2014-09-06, 05:09
[HIVE-7607] Spark "Explain" should give useful information on dependencies [Spark Branch] - Hive - [issue]
...Currently, when using "Explain" under Spark mode, it displays dependency information like this: STAGE PLANS:  Stage: Stage-1    Spark      E...
http://issues.apache.org/jira/browse/HIVE-7607    Author: Chao, 2014-09-06, 05:02
[HIVE-7482] The execution side changes for SMB join in hive-tez - Hive - [issue]
...A piece of HIVE-7430....
http://issues.apache.org/jira/browse/HIVE-7482    Author: Vikram Dixit K, 2014-09-06, 03:25
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