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[HIVE-3389] running tests for hadoop 23 - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-3389    Author: Namit Jain, 2014-03-24, 20:53
[HIVE-3598] physical optimizer changes for auto sort-merge join - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-3598    Author: Namit Jain, 2014-03-24, 20:52
[HIVE-3763] Aggregation followed by a sort-merge join requires a new MR job - Hive - [issue]
...After Hive-3633, if tbl1 and tbl2 are tables bucketiezed and sorted by key into 2 buckets, the following query:select count from (   select /+mapjoin(a)/ a.key as key, a.value as v...
http://issues.apache.org/jira/browse/HIVE-3763    Author: Namit Jain, 2014-03-24, 20:51
[HIVE-3892] auto sort merge join does not work for sub-queries - Hive - [issue]
...set hive.enforce.bucketing = true;set hive.enforce.sorting = true;set hive.exec.reducers.max = 1;CREATE TABLE tbl1(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS;CR...
http://issues.apache.org/jira/browse/HIVE-3892    Author: Namit Jain, 2014-03-24, 20:50
[HIVE-3777] add a property in the partition to figure out if stats are accurate - Hive - [issue]
...Currently, stats task tries to update the statistics in the table/partitionbeing updated after the table/partition is loaded. In case of a failure to update these stats (due to the any reaso...
http://issues.apache.org/jira/browse/HIVE-3777    Author: Namit Jain, 2014-03-15, 22:32
[HIVE-1653] Ability to enforce correct stats - Hive - [issue]
...This is a follow-up for https://issues.apache.org/jira/browse/HIVE-1361.If one of the mappers/reducers cannot publish stats, it may lead to wrong aggregated stats.There should be a way to av...
http://issues.apache.org/jira/browse/HIVE-1653    Author: Namit Jain, 2014-03-15, 21:50
[HIVE-1083] allow sub-directories for an external table/partition - Hive - [issue]
...Sometimes users want to define an external table/partition based on all files (recursively) inside a directory.Currently most of the Hadoop InputFormat classes do not support that. We should...
http://issues.apache.org/jira/browse/HIVE-1083    Author: Namit Jain, 2014-03-04, 07:36
[HIVE-686] add UDF substring_index - Hive - [issue]
...add UDFsubstring_indexlook athttp://dev.mysql.com/doc/refman/5.0/en/func-op-summary-ref.htmlfor details...
http://issues.apache.org/jira/browse/HIVE-686    Author: Namit Jain, 2014-02-25, 08:01
[HIVE-3012] hive custom scripts do not work well if the data contains new lines - Hive - [issue]
...If the data contain newline, it will be passed as is to the script.The script has no way of splitting the data based on the new line.An option should be added to hive to escape/unescape the ...
http://issues.apache.org/jira/browse/HIVE-3012    Author: Namit Jain, 2014-02-07, 01:20
[HIVE-3552] HIVE-3552 performant manner for performing cubes/rollups/grouping sets for a high number of grouping set keys - Hive - [issue]
...This is a follow up for HIVE-3433.Had a offline discussion with Sambavi - she pointed out a scenario where theimplementation in HIVE-3433 will not scale. Assume that the user is performinga ...
http://issues.apache.org/jira/browse/HIVE-3552    Author: Namit Jain, 2014-01-22, 12:13
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