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Hudson commented on PHOENIX-2965: --------------------------------- FAILURE: Integrated in Phoenix-master #1249 (See [https://builds.apache.org/job/Phoenix-master/1249/]) PHOENIX-2965 Use DistinctPrefixFilter logic for COUNT(DISTINCT ...) and (larsh: rev e7e8e130b4ec84b32ed507201c1a00939f1d3b7c) * phoenix-core/src/main/java/org/apache/phoenix/iterate/BaseResultIterators.java * phoenix-core/src/it/java/org/apache/phoenix/end2end/DistinctPrefixFilterIT.java * phoenix-core/src/main/java/org/apache/phoenix/compile/GroupByCompiler.java * phoenix-core/src/main/java/org/apache/phoenix/compile/OrderPreservingTracker.java > Use DistinctPrefixFilter logic for COUNT(DISTINCT ...) and COUNT(...) GROUP BY > ------------------------------------------------------------------------------ > > Key: PHOENIX-2965 > URL: https://issues.apache.org/jira/browse/PHOENIX-2965 > Project: Phoenix > Issue Type: Sub-task > Reporter: Lars Hofhansl > Assignee: Lars Hofhansl > Fix For: 4.8.0 > > Attachments: 2965-v2.txt, 2965-v3.txt, 2965-v4.txt, 2965-v5.txt, > 2965-v6.txt, 2965.txt > > > 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. -- This message was sent by Atlassian JIRA (v6.3.4#6332)