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[HIVE-3495] For UDAFs, when generating a plan without map-side-aggregation, constant agg parameters will be replaced by ExprNodeColumnDesc - Hive - [issue]
...For UDAFs, when generating a plan without map-side-aggregation, constant agg parameters having ConstantObjectInspectors will be replaced by ExprNodeColumnDescs. A UDFArgumentTypeException wi...
http://issues.apache.org/jira/browse/HIVE-3495    Author: Yin Huai, 2013-02-12, 17:06
[HIVE-3493] aggName of SemanticAnalyzer.getGenericUDAFEvaluator is generated in two different ways - Hive - [issue]
...aggName in org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.getGenericUDAFEvaluator(String, ArrayList<ExprNodeDesc>, ASTNode, boolean, boolean) is generated by two different ways. One ...
http://issues.apache.org/jira/browse/HIVE-3493    Author: Yin Huai, 2012-12-19, 07:03
[HIVE-3669] Support queries in which input tables of correlated MR jobs involves intermediate tables - Hive - [issue]
...Correlation optimizer implemented in HIVE-2206 does not optimize correlated MapReduce jobs which have intermediate tables as input.Here is an example originally posted in HIVE-3430select * f...
http://issues.apache.org/jira/browse/HIVE-3669    Author: Yin Huai, 2012-11-05, 15:03
[HIVE-3668] Merge MapReduce jobs which share input tables and the same partitioning keys into a single MapReduce job - Hive - [issue]
...In the plan of a query, if there exists MapReduce jobs created for aggregation operators or join operators which share one or more input tables and use the same partitioning keys to shuffle ...
http://issues.apache.org/jira/browse/HIVE-3668    Author: Yin Huai, 2012-11-05, 14:49
[HIVE-3511] Constant values in aggregation parameters should not be attached to every map output row - Hive - [issue]
...When map-side-aggregation is disabled (hive.map.aggr=false), constant values in aggregation parameters are attached to every map output row. For example, in test case 'count.q' (https://gith...
http://issues.apache.org/jira/browse/HIVE-3511    Author: Yin Huai, 2012-09-28, 01:48
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elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB