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https://issues.apache.org/jira/browse/KYLIN-1989?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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liyang updated KYLIN-1989:
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Summary: Sum(expression): result not consistent with hive (was: Sum issue:
result not consistent with hive)
> Sum(expression): result not consistent with hive
> ------------------------------------------------
>
> Key: KYLIN-1989
> URL: https://issues.apache.org/jira/browse/KYLIN-1989
> Project: Kylin
> Issue Type: Bug
> Affects Versions: v1.5.2
> Reporter: Le Van Ha
> Assignee: hongbin ma
> Attachments: hive_result.png, kylin_result.png
>
>
> When do the following query,
> SELECT channel.name, sum(case when product.product_vendor <> '' then
> fact_product.quantity else 0 end)
> FROM fact_product_sales as fact_product
> join dim_product as product on fact_product.product_id = product.id
> join dim_channel as channel on fact_product.channel_id = channel.id
> GROUP BY channel.name
> -------------------------------------------------------------------
> The result by kylin:
> Buy Button 0
> Online Store 0
> -------------------------------------------------------------------
> The result by hive is shown in figure.
> Why is that?
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