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https://issues.apache.org/jira/browse/CALCITE-1945?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Julian Hyde resolved CALCITE-1945.
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Resolution: Fixed
Fix Version/s: 1.14.0
Fixed in http://git-wip-us.apache.org/repos/asf/calcite/commit/4208d802.
> Allow custom return types for AVG/VARIANCE/STDDEV/COVAR
> -------------------------------------------------------
>
> Key: CALCITE-1945
> URL: https://issues.apache.org/jira/browse/CALCITE-1945
> Project: Calcite
> Issue Type: Bug
> Reporter: MinJi Kim
> Assignee: Julian Hyde
> Fix For: 1.14.0
>
>
> For example, return types of AVG() is the input type. So, if the input is
> INT/BIGINT type, AVG() is always truncated. Depending on the database, some
> database follow this behavior while others (e.g. Oracle/MySQL/etc.) do not
> and return floating point values for AVG().
> Similar for other functions mentioned here.
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