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[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
[HIVE-4430] Semantic analysis fails in presence of certain literals in on clause - Hive - [issue]
...When users include a bigint literal (a number suffixed with 'L') in the conditions in the on clause the query will fail with, e.g.FAILED: SemanticException 0L encountered with 0 childrenI ha...
http://issues.apache.org/jira/browse/HIVE-4430    Author: Kevin Wilfong, 2013-07-02, 18:00
[HIVE-4312] Make ORC SerDe support replace columns - Hive - [issue]
...In the alterTable method of DDLTask.java there is an explicit list of SerDes which support the replace columns command.  ORC should support this, at least for partitioned tables, maybe ...
http://issues.apache.org/jira/browse/HIVE-4312    Author: Kevin Wilfong, 2013-05-17, 17:41
[HIVE-3898] getReducersBucketing in SemanticAnalyzer may return more than the max number of reducers - Hive - [issue]
...getReducersBucketing rounds totalFiles / maxReducers down, when it should be rounded up to the nearest integer.E.g. if totalFiles = 60 and maxReducers = 21, totalFiles / maxReducers = 2total...
http://issues.apache.org/jira/browse/HIVE-3898    Author: Kevin Wilfong, 2013-05-16, 22:11
[HIVE-4178] ORC fails with files with different numbers of columns - Hive - [issue]
...When CombineHiveInputFormat is used, it's possible that two files with different numbers of files can be included in the same split, in which case Hive will fail at one of several points wit...
http://issues.apache.org/jira/browse/HIVE-4178    Author: Kevin Wilfong, 2013-05-16, 22:11
[HIVE-3393] get_json_object and json_tuple should use Jackson library - Hive - [issue]
...The Jackson library's JSON parsers have been shown to be significantly faster that json.org's.  The library is already included, so I can't think of a reason not to use it.There's also ...
http://issues.apache.org/jira/browse/HIVE-3393    Author: Kevin Wilfong, 2013-05-15, 09:22
[HIVE-2901] Hive union with NULL constant and string in same column returns all null - Hive - [issue]
...select x from (select value as x from src union all select NULL as x from src)a;This query produces all nulls, where value is a string column.Notably, select x from (select key as x from src...
http://issues.apache.org/jira/browse/HIVE-2901    Author: Kevin Wilfong, 2013-05-14, 09:07
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