[HIVE-2340] optimize orderby followed by a groupby - ASF JIRA

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Before implementing optimizer for JOIN-GBY, try to implement RS-GBY optimizer(cluster-by following group-by).

ASF.LICENSE.NOT.GRANTED--HIVE-2340.D1209.1.patch
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ASF.LICENSE.NOT.GRANTED--HIVE-2340.D1209.2.patch
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ASF.LICENSE.NOT.GRANTED--HIVE-2340.D1209.3.patch
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ASF.LICENSE.NOT.GRANTED--HIVE-2340.D1209.4.patch
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ASF.LICENSE.NOT.GRANTED--HIVE-2340.D1209.5.patch
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HIVE-2340.1.patch.txt
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Navis Ryu
HIVE-2340.12.patch
12/Feb/13 09:23
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Gunther Hagleitner
HIVE-2340.13.patch
12/Feb/13 23:14
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Gunther Hagleitner
HIVE-2340.14.patch
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Gunther Hagleitner
HIVE-2340.14.rebased_and_schema_clone.patch
04/Apr/13 02:31
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Gunther Hagleitner
HIVE-2340.15.patch
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Navis Ryu
HIVE-2340.D1209.10.patch
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HIVE-2340.D1209.11.patch
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HIVE-2340.D1209.12.patch
13/Feb/13 07:58
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HIVE-2340.D1209.13.patch
14/Feb/13 05:56
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HIVE-2340.D1209.14.patch
12/Mar/13 01:33
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HIVE-2340.D1209.15.patch
05/Apr/13 00:24
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HIVE-2340.D1209.6.patch
22/Jan/13 13:02
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HIVE-2340.D1209.7.patch
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HIVE-2340.D1209.8.patch
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HIVE-2340.D1209.9.patch
25/Jan/13 07:03
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testclidriver.txt
30/Jan/13 19:27
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Gunther Hagleitner

blocks

HIVE-4078 Delay the serialize-deserialize pair in CommonJoinTaskDispatcher

is related to

HIVE-2206 add a new optimizer for query correlation discovery and optimization

relates to

HIVE-5357 ReduceSinkDeDuplication optimizer pick the wrong keys in pRS-cGBYm-cRS-cGBYr scenario when there are distinct keys in child GBY