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[HIVE-2621] Allow multiple group bys with the same input data and spray keys to be run on the same reducer. - Hive - [issue]
...Currently, when a user runs a query, such as a multi-insert, where each insertion subclause consists of a simple query followed by a group by, the group bys for each clause are run on a sepa...
http://issues.apache.org/jira/browse/HIVE-2621    Author: Kevin Wilfong, 2014-04-07, 06:01
[HIVE-3272] RetryingRawStore will perform partial transaction on retry - Hive - [issue]
...By the time the RetryingRawStore retries a command the transaction encompassing it has already been rolled back.  This means that it will perform the remainder of the raw store commands...
http://issues.apache.org/jira/browse/HIVE-3272    Author: Kevin Wilfong, 2014-03-27, 20:01
[HIVE-3750] JDBCStatsPublisher fails when ID length exceeds length of ID column - Hive - [issue]
...When the length of the ID field passed to JDBCStatsPublisher exceeds the length of the column in the table (currently 255 characters) stats collection fails.  This causes the entire que...
http://issues.apache.org/jira/browse/HIVE-3750    Author: Kevin Wilfong, 2014-03-23, 04:36
[HIVE-2797] Make the IP address of a Thrift client available to HMSHandler. - Hive - [issue]
...Currently, in unsecured mode, metastore Thrift calls are, from the HMSHandler's point of view, anonymous.  If we expose the IP address of the Thrift client to the HMSHandler from the Pr...
http://issues.apache.org/jira/browse/HIVE-2797    Author: Kevin Wilfong, 2014-03-16, 03:38
[HIVE-2747] UNION ALL with subquery which selects NULL and performs group by fails - Hive - [issue]
...Queries like the followingfrom (select key, value, count(1) as count from src group by key, value union all select NULL as key, value, count(1) as count from src group by value) a select cou...
http://issues.apache.org/jira/browse/HIVE-2747    Author: Kevin Wilfong, 2013-10-23, 10:17
[HIVE-4340] ORC should provide raw data size - Hive - [issue]
...ORC's SerDe currently does nothing, and hence does not calculate a raw data size.  WriterImpl, however, has enough information to provide one.WriterImpl should compute a raw data size f...
http://issues.apache.org/jira/browse/HIVE-4340    Author: Kevin Wilfong, 2013-10-01, 15:47
[HIVE-3573] Revert HIVE-3268 - Hive - [issue]
...This patch introduces some code which can breaks distribute/order/cluster/sort by.  We should revert this code until it can be fixed (HIVE-3572)....
http://issues.apache.org/jira/browse/HIVE-3573    Author: Kevin Wilfong, 2013-08-22, 21:40
[HIVE-4324] ORC Turn off dictionary encoding when number of distinct keys is greater than threshold - Hive - [issue]
...Add a configurable threshold so that if the number of distinct values in a string column is greater than that fraction of non-null values, dictionary encoding is turned off....
http://issues.apache.org/jira/browse/HIVE-4324    Author: Kevin Wilfong, 2013-08-12, 04:42
[HIVE-3607] Set mapreduce.task.classpath.user.precedence to true by default - Hive - [issue]
...When queries are actually run in a Hadoop cluster, Hive's jars are appended to Hadoop's classpath.  However, when we test/run jobs locally Hive's classpath comes first.  This leads...
http://issues.apache.org/jira/browse/HIVE-3607    Author: Kevin Wilfong, 2013-08-01, 22:31
[HIVE-2428] ADD ARCHIVE has no effect when query runs in local mode - Hive - [issue]
...When you ADD ARCHIVE a file and the query runs in local mode, the file is not available at all.For example running the commandsecho '#!/bin/bash\nls -l 1>&2;read' > foo.shhive -e '...
http://issues.apache.org/jira/browse/HIVE-2428    Author: Kevin Wilfong, 2013-07-09, 02:31
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