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https://issues.apache.org/jira/browse/KYLIN-2636?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Billy Liu resolved KYLIN-2636.
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Resolution: Fixed
Fix Version/s: v2.0.0
Commit:
https://git1-us-west.apache.org/repos/asf?p=kylin.git;a=commit;h=94cd373f
> optimize case when in group by
> -------------------------------
>
> Key: KYLIN-2636
> URL: https://issues.apache.org/jira/browse/KYLIN-2636
> Project: Kylin
> Issue Type: Improvement
> Reporter: hongbin ma
> Assignee: hongbin ma
> Priority: Major
> Fix For: v2.0.0
>
>
> Similar to KYLIN-2635, for clauses like:
> {code}
> group by case when 1 = 1 then x 1 = 2 then y else z
> {code}
> kylin only need to pick up x as grouping by column.
> Again, like KYLIN-2635, we'll fix it in KYLIN rather than calcite first
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