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Posted to dev@kylin.apache.org by "Luke Han (JIRA)" <ji...@apache.org> on 2015/08/28 16:49:46 UTC

[jira] [Created] (KYLIN-976) Support Custom Measure Expression

Luke Han created KYLIN-976:
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             Summary: Support Custom Measure Expression
                 Key: KYLIN-976
                 URL: https://issues.apache.org/jira/browse/KYLIN-976
             Project: Kylin
          Issue Type: New Feature
          Components: Job Engine, Query Engine
            Reporter: Luke Han
            Assignee: ZhouQianhao


Currently, Kylin supports 6 basic aggregation measure functions:
Min/Max/Sum/Count/Avg/DistinctCount

But there are also many other cases require to support more complicate measure expression, for example:
COUNT(CASE WHEN so.ft = 'fv' THEN soi.sc ELSE NULL END) AS spo
or
Sum(if...

To open this JIRA to tracking further implementation 



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