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[HIVE-3706] getBoolVar in FileSinkOperator can be optimized - Hive - [issue]
...There's a call to HiveConf.getBoolVar in FileSinkOperator's processOp method.  In benchmarks we found this call to be using ~2% of the CPU time on simple queries, e.g. INSERT OVERWRITE ...
http://issues.apache.org/jira/browse/HIVE-3706    Author: Kevin Wilfong, 2012-11-15, 18:31
[HIVE-3707] Round map/reduce progress down when it is in the range [99.5, 100) - Hive - [issue]
...In HadoopJobExecHelper the mapProgress and reduceProgress are the value of these counters taken from the running job rounded to an integer percentage.  This means that e.g. if the mappe...
http://issues.apache.org/jira/browse/HIVE-3707    Author: Kevin Wilfong, 2012-11-15, 18:31
[HIVE-3203] Drop partition throws NPE if table doesn't exist - Hive - [issue]
...ALTER TABLE t1 DROP PARTITION (part = '1');This throws an NPE if t1 doesn't exist.  A SemanticException would be cleaner....
http://issues.apache.org/jira/browse/HIVE-3203    Author: Kevin Wilfong, 2012-11-13, 19:14
[HIVE-2779] Improve hooks run in Driver - Hive - [issue]
...There are some small improvements that can be made to the hooks which are run in the Driver:1) The code to get hooks has been clearly just been copy+pasted for each of Pre/Post/OnFailure/Sem...
http://issues.apache.org/jira/browse/HIVE-2779    Author: Kevin Wilfong, 2012-11-09, 23:37
[HIVE-2832] Cache error messages for additional logging - Hive - [issue]
...It would be good if we could cache logs written to SessionState.err so that they could be exposed to hooks for additional logging.  This would allow logging of error messages with the q...
http://issues.apache.org/jira/browse/HIVE-2832    Author: Kevin Wilfong, 2012-11-09, 23:37
[HIVE-2823] Add logging of total run time of Driver - Hive - [issue]
...We are currently logging the run time of several components of the Driver, e.g. compilation and map reduce execution time.  It would be helpful to log the total run time of the Driver's...
http://issues.apache.org/jira/browse/HIVE-2823    Author: Kevin Wilfong, 2012-11-09, 23:37
[HIVE-2640] Add alterPartition to AlterHandler interface - Hive - [issue]
...Adding alterPartition to the AlterHandler interface would allow for customized functionality to be executed as part of altering a partition, much like it is already allowed for alterTable.Ba...
http://issues.apache.org/jira/browse/HIVE-2640    Author: Kevin Wilfong, 2012-11-09, 23:33
[HIVE-3673] Sort merge join not used when join columns have different names - Hive - [issue]
...If two tables are joined on columns with different names, the sort merge join optimization is not applied.  E.g.SELECT /*+ MAPJOIN(b) */ * FROM t1 a JOIN t2 b ON a.key = b.value;This wi...
http://issues.apache.org/jira/browse/HIVE-3673    Author: Kevin Wilfong, 2012-11-06, 18:48
[HIVE-3529] Incorrect partition bucket/sort metadata when overwriting partition with different metadata from table - Hive - [issue]
...If you have a partition with bucket/sort metadata set, then you alter the table to have different bucket/sort metadata, and insert overwrite the partition with hive.enforce.bucketing=true an...
http://issues.apache.org/jira/browse/HIVE-3529    Author: Kevin Wilfong, 2012-10-29, 23:36
[HIVE-3606] get_json_object and json_tuple no longer support single quotes after upgrade to Jackson - Hive - [issue]
...After the upgrade to Jackson, JSON objects that contain keys or values surrounded by single quotes are not considered valid JSON, this was supported before the switch....
http://issues.apache.org/jira/browse/HIVE-3606    Author: Kevin Wilfong, 2012-10-29, 06:32
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