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https://issues.apache.org/jira/browse/KYLIN-2341?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17133120#comment-17133120
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Shao Feng Shi commented on KYLIN-2341:
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sum(expression) was supported in Kylin 2.4; the related Jira is
https://issues.apache.org/jira/browse/KYLIN-3359
> sum(case .. when ..) is not supported
> -------------------------------------
>
> Key: KYLIN-2341
> URL: https://issues.apache.org/jira/browse/KYLIN-2341
> Project: Kylin
> Issue Type: Bug
> Reporter: liyang
> Assignee: Kaige Liu
> Priority: Major
> Fix For: v2.0.0
>
> Attachments: KYLIN-2341.patch
>
>
> Query like below should either fail, or return correct result. Currently it
> returns incorrect result.
> {code}
> SELECT
> sum(case
> when lstg_format_name like 'Other%'
> then price
> else 0
> end) as gmv
>
> FROM test_kylin_fact
> inner JOIN edw.test_cal_dt as test_cal_dt
> ON test_kylin_fact.cal_dt = test_cal_dt.cal_dt
> inner JOIN test_category_groupings
> ON test_kylin_fact.leaf_categ_id = test_category_groupings.leaf_categ_id
> AND test_kylin_fact.lstg_site_id = test_category_groupings.site_id
> {code}
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