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https://issues.apache.org/jira/browse/KYLIN-4281?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17115702#comment-17115702
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ASF subversion and git services commented on KYLIN-4281:
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Commit d896fce611b15a787f9e618fff4e4152014d00a2 in kylin's branch
refs/heads/master from Zhong, Yanghong
[ https://gitbox.apache.org/repos/asf?p=kylin.git;h=d896fce ]
KYLIN-4281 Precisely set the data type of tuple expression
> Precisely set the data type of tuple expression
> -----------------------------------------------
>
> Key: KYLIN-4281
> URL: https://issues.apache.org/jira/browse/KYLIN-4281
> Project: Kylin
> Issue Type: Improvement
> Reporter: Zhong Yanghong
> Assignee: Zhong Yanghong
> Priority: Major
> Fix For: v3.1.0
>
>
> Previously to simplify the calculating of sum(case when), all of the binary
> calculation is based on BigDecimal, which is not good for all, especially
> when dealing with count(distinct case when), whose inner data type may be hll
> or bitmap.
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