[PHOENIX-2965] Use DistinctPrefixFilter logic for COUNT(DISTINCT ...) and COUNT(...) GROUP BY - ASF JIRA

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Type: Sub-task
Status: Closed
Priority: Major
Resolution: Fixed
Affects Version/s: None
Fix Version/s: 4.8.0
Component/s: None
Labels:
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Description

Parent uses skip scanning to optimize DISTINCT and certain GROUP BY operations along the row key.
COUNT queries are optimized differently, could be sped up significantly as well.

giacomotaylor, I might need to help into where COUNT(DISTINCT) queries are planned and optimized.

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2965.txt
07/Jun/16 21:37
13 kB
Lars Hofhansl
2965-v10.txt
12/Jun/16 01:02
11 kB
Lars Hofhansl
2965-v11.txt
12/Jun/16 05:07
12 kB
Lars Hofhansl
2965-v12.txt
12/Jun/16 15:25
13 kB
Lars Hofhansl
2965-v13.txt
12/Jun/16 17:12
12 kB
Lars Hofhansl
2965-v14.txt
12/Jun/16 18:05
15 kB
Lars Hofhansl
2965-v2.txt
08/Jun/16 00:28
14 kB
Lars Hofhansl
2965-v3.txt
08/Jun/16 18:00
14 kB
Lars Hofhansl
2965-v4.txt
08/Jun/16 20:14
22 kB
Lars Hofhansl
2965-v5.txt
08/Jun/16 20:38
23 kB
Lars Hofhansl
2965-v6.txt
09/Jun/16 04:41
23 kB
Lars Hofhansl
2965-v7.txt
11/Jun/16 02:40
11 kB
Lars Hofhansl
2965-v8.txt
11/Jun/16 04:07
10 kB
Lars Hofhansl
2965-v9.txt
11/Jun/16 04:50
10 kB
Lars Hofhansl
PHOENIX-2965_wip.patch
10/Jun/16 17:43
1 kB
James R. Taylor

Issue Links

relates to

PHOENIX-2974 SELECT COUNT(DISTINCT c1, c2,...) throws NPE

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Assignee:: Lars Hofhansl

Reporter:: Lars Hofhansl

Votes:: 0 Vote for this issue

Watchers:: 7 Start watching this issue

Dates

Created:: 05/Jun/16 00:50

Updated:: 11/Aug/16 08:27

Resolved:: 12/Jun/16 18:20