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[HIVE-5130] Document Correlation Optimizer in Hive wiki - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-5130    Author: Yin Huai, 2013-08-21, 03:53
Re: [ANNOUNCE] New Hive Committer - Thejas Nair - Hive - [mail # dev]
...Congrats Thejas!!!   On Tue, Aug 20, 2013 at 4:54 PM, Thejas Nair  wrote:  ...
   Author: Yin Huai, 2013-08-21, 02:21
[HIVE-4980] Fix the compiling error in TestHadoop20SAuthBridge - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-4980    Author: Yin Huai, 2013-08-19, 16:28
[HIVE-4979] If any compiling error exists, test-shims should stop - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-4979    Author: Yin Huai, 2013-08-19, 16:26
[HIVE-4968] When deduplicating multiple SelectOperators, we should update RowResolver accordinly - Hive - [issue]
...SELECT tmp3.key, tmp3.value, tmp3.countFROM (SELECT tmp1.key as key, tmp1.value as value, tmp2.count as count      FROM (SELECT key, value        ...
http://issues.apache.org/jira/browse/HIVE-4968    Author: Yin Huai, 2013-08-03, 04:24
[HIVE-4976] TestHadoop20SAuthBridge needs to be updated after HIVE-3255 - Hive - [issue]
...I found the following error appearing. Here is the log from jenkinscompile-test-worker:     [echo] Project: shims     [echo] Compiling shim tests against hadoop...
http://issues.apache.org/jira/browse/HIVE-4976    Author: Yin Huai, 2013-08-02, 21:58
[HIVE-4952] When hive.join.emit.interval is small, queries optimized by Correlation Optimizer may generate wrong results - Hive - [issue]
...If we have a query like this ...SELECT xx.key, xx.cnt, yy.keyFROM(SELECT x.key as key, count(1) as cnt FROM src1 x JOIN src1 y ON (x.key = y.key) group by x.key) xxJOIN src yyON xx.key=yy.ke...
http://issues.apache.org/jira/browse/HIVE-4952    Author: Yin Huai, 2013-08-02, 21:16
[HIVE-4972] update code generated by thrift for DemuxOperator and MuxOperator - Hive - [issue]
...HIVE-2206 introduces two new operators, which are DemuxOperator and MuxOperator. queryplan.thrift has been updated. But code generated by thrift should be also updated...
http://issues.apache.org/jira/browse/HIVE-4972    Author: Yin Huai, 2013-08-02, 21:16
[HIVE-4960] lastAlias in CommonJoinOperator is not used - Hive - [issue]
...In CommonJoinOperator, there is object called lastAlias. The initial value of this object is 'null'. After tracing the usage of this object, I found that there is no place to change the valu...
http://issues.apache.org/jira/browse/HIVE-4960    Author: Yin Huai, 2013-08-02, 05:47
Re: single MR stage for join and group by - Hive - [mail # user]
...If the join is a reduce side join, https://issues.apache.org/jira/browse/HIVE-2206 will optimize this query and generate a single MR job. The optimizer introduced by HIVE-2206 is in trunk. C...
   Author: Yin Huai, 2013-08-02, 04:14
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