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[HIVE-7888] fix dynpart_sort_opt_vectorization.q test failure in trunk - Hive - [issue]
...Test is part of TestMiniTezCliDriverTest fails with the following exception[Error getting row data with exception java.lang.ClassCastException: org.apache.hadoop.hive.ql.exec.vector.DoubleCo...
http://issues.apache.org/jira/browse/HIVE-7888    Author: Prasanth J, 2014-08-27, 01:04
[HIVE-7548] Precondition checks should not fail the merge task in case of automatic trigger - Hive - [issue]
...ORC fast merge (HIVE-7509) will fail the merge task in case if any of the precondition checks fail. Precondition check fail is good for "ALTER TABLE .. CONCATENATE" but not for automatic tri...
http://issues.apache.org/jira/browse/HIVE-7548    Author: Prasanth J, 2014-08-26, 05:17
[HIVE-7865] Extend TestFileDump test case to printout ORC row index information - Hive - [issue]
...It will be good to have test case to printout ORC row index entries. Some changes to ORC format like HIVE-7832 uses different codepath to write row index entries. To make sure it is not doin...
http://issues.apache.org/jira/browse/HIVE-7865    Author: Prasanth J, 2014-08-25, 21:01
[HIVE-7833] Remove unwanted allocation in ORC RunLengthIntegerWriterV2 determine encoding function - Hive - [issue]
...RunLengthIntegerWriterV2.determineEncoding() is used heavily. There are unwanted buffer allocation for every invocation of the function which are not required....
http://issues.apache.org/jira/browse/HIVE-7833    Author: Prasanth J, 2014-08-22, 18:26
[HIVE-7836] Ease-out denominator for multi-attribute join case in statistics annotation - Hive - [issue]
...In cases where number of relations involved in join is less than the number of join attributes the denominator of join rule can get larger resulting in aggressive row count estimation....
http://issues.apache.org/jira/browse/HIVE-7836    Author: Prasanth J, 2014-08-22, 16:30
[HIVE-7771] ORC PPD fails for some decimal predicates - Hive - [issue]
...Some queries like select * from table where dcol<=11.22BD;fails when ORC predicate pushdown is enabled....
http://issues.apache.org/jira/browse/HIVE-7771    Author: Prasanth J, 2014-08-20, 03:34
[HIVE-7734] Join stats annotation rule is not updating columns statistics correctly - Hive - [issue]
...HIVE-7679 is not doing the correct thing. The scale down/up factor updating column stats was wrong as ratio = newRowCount/oldRowCount is always infinite (oldRowCount = 0). The old row count ...
http://issues.apache.org/jira/browse/HIVE-7734    Author: Prasanth J, 2014-08-19, 18:18
[HIVE-7679] JOIN operator should update the column stats when number of rows changes - Hive - [issue]
...JOIN operator does not update the column stats when the number of rows changes. All other operators scales up/down the column statistics when the number of rows changes. Same should be done ...
http://issues.apache.org/jira/browse/HIVE-7679    Author: Prasanth J, 2014-08-12, 18:49
[HIVE-5579] Update statistics rules for different types of joins - Hive - [issue]
...This is a followup of HIVE-5369. Current statistics rules for join operator are generic and are not specific to the type of join. Update the rules based on the type of joins....
http://issues.apache.org/jira/browse/HIVE-5579    Author: Prasanth J, 2014-08-11, 21:32
[HIVE-7231] Improve ORC padding - Hive - [issue]
...Current ORC padding is not optimal because of fixed stripe sizes within block. The padding overhead will be significant in some cases. Also padding percentage relative to stripe size is not ...
http://issues.apache.org/jira/browse/HIVE-7231    Author: Prasanth J, 2014-08-10, 00:26
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