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https://issues.apache.org/jira/browse/KYLIN-899?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14939319#comment-14939319
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liyang commented on KYLIN-899:
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Kylin do pre-aggregation of sums, thus the condition inside sum has to be
pre-defined at cube build time.
A work around is to define "if(col>1024,col,0)" as a new column say "col_1024",
then define "sum(col_1024)" as a cube measure.
> add "if" support in sum
> -----------------------
>
> Key: KYLIN-899
> URL: https://issues.apache.org/jira/browse/KYLIN-899
> Project: Kylin
> Issue Type: Improvement
> Reporter: liangmeng
>
> add "if" support in sum,such as :
> select sum(if(col>1024,col,0)) as newcol from testtabale;
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