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[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, 2014-08-09, 20:34
[HIVE-3527] Allow CREATE TABLE LIKE command to take TBLPROPERTIES - Hive - [issue]
...CREATE TABLE ... LIKE ... commands currently don't take TBLPROPERTIES.  I think it would be a useful feature....
http://issues.apache.org/jira/browse/HIVE-3527    Author: Kevin Wilfong, 2014-06-15, 06:16
[HIVE-3903] Allow updating bucketing/sorting metadata of a partition through the CLI - Hive - [issue]
...Right now users can update the bucketing/sorting metadata of a table through the CLI, but not a partition.  Use case:Need to merge a partition's files, but it's bucketed/sorted, so want...
http://issues.apache.org/jira/browse/HIVE-3903    Author: Kevin Wilfong, 2014-06-15, 06:12
[HIVE-2397] Support with rollup option for group by - Hive - [issue]
...We should support the ROLLUP operator similar to the way MySQL is implemented. Exerted from MySQL documents:mysql> SELECT year, country, product, SUM(profit)    -> FROM ...
http://issues.apache.org/jira/browse/HIVE-2397    Author: Kevin Wilfong, 2014-06-15, 05:38
[HIVE-2853] Add pre event listeners to metastore - Hive - [issue]
...Currently there are event listeners in the metastore which run after the completion of a method.  It would be useful to have similar hooks which run before the metastore method is execu...
http://issues.apache.org/jira/browse/HIVE-2853    Author: Kevin Wilfong, 2014-04-27, 22:38
[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, 2014-04-23, 22:08
[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
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