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[HIVE-6956] Duplicate partitioning column for union when dynamic partition sort optimization is enabled - Hive - [issue]
...HIVE-6455 optimization uses PreOrder graph walker resulting in double invocation of SortedDynPartitionOptimizer(). Because of this there are duplicate partitioning columns in RSOp for few te...
http://issues.apache.org/jira/browse/HIVE-6956    Author: Prasanth J, 2014-04-24, 07:36
[HIVE-6834] Dynamic partition optimization bails out after removing file sink operator - Hive - [issue]
...HIVE-6455 introduced scalable dynamic partitioning optimization that bails out after removing the file sink operator. This causes union_remove_16.q test to fail by removing all the stages in...
http://issues.apache.org/jira/browse/HIVE-6834    Author: Prasanth J, 2014-04-06, 23:51
[HIVE-6797] Add protection against divide by zero in stats annotation - Hive - [issue]
...In stats annotation, the denominator computation in join operator is not protected for divide by zero exception. It will be an issue when NDV (count distinct) updated by updateStats() become...
http://issues.apache.org/jira/browse/HIVE-6797    Author: Prasanth J, 2014-04-01, 22:31
[HIVE-6798] Update column stats based on filter expression in stats annotation - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-6798    Author: Prasanth J, 2014-04-01, 00:16
[HIVE-6714] Fix getMapSize() of LazyMap - Hive - [issue]
...HIVE-6707 fixed an issue with lazy maps. Lazy maps scans for keys using key separators and maintains a counter for the number of keys i.e; map size. However keys may include duplicates in wh...
http://issues.apache.org/jira/browse/HIVE-6714    Author: Prasanth J, 2014-03-28, 05:47
[HIVE-6735] Make scalable dynamic partitioning work in vectorized mode - Hive - [issue]
...HIVE-6455 added support for scalable dynamic partitioning. This is subtask to make HIVE-6455 work with vectorized operators....
http://issues.apache.org/jira/browse/HIVE-6735    Author: Prasanth J, 2014-03-28, 05:42
[HIVE-6760] Scalable dynamic partitioning should bail out properly for list bucketing - Hive - [issue]
...In case of list bucketing HIVE-6455 looks only at this config "hive.optimize.listbucketing" to bail out. There are cases when this config ("hive.optimize.listbucketing") is not set but list ...
http://issues.apache.org/jira/browse/HIVE-6760    Author: Prasanth J, 2014-03-28, 05:31
[HIVE-6761] Hashcode computation does not use maximum parallelism for scalable dynamic partitioning - Hive - [issue]
...Hashcode computation for HIVE-6455 should consider all the partitioning columns and bucket number to distribute the rows. The following code for (int i = 0; i < partitionEval.length - 1; ...
http://issues.apache.org/jira/browse/HIVE-6761    Author: Prasanth J, 2014-03-28, 05:26
[HIVE-5949] In statistics annotation add flag to say if statistics is estimated or accurate - Hive - [issue]
...HIVE-5921 estimates the basic statistics (row count/data size) if its not available in metastore. It will be better to have a flag which says if the statistics is estimated value or accurate...
http://issues.apache.org/jira/browse/HIVE-5949    Author: Prasanth J, 2014-03-25, 23:55
[HIVE-5868] Add statistics rule for Union operator - Hive - [issue]
...At this point union operator uses the default statistics rule which will merge the statistics from its parent operators. The default rule does not assign the output table alias to each of th...
http://issues.apache.org/jira/browse/HIVE-5868    Author: Prasanth J, 2014-03-25, 23:54
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