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https://issues.apache.org/jira/browse/CALCITE-1108?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15198500#comment-15198500
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Aman Sinha commented on CALCITE-1108:
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After investigating CALCITE-777, I have marked it closed (see comments there).
In that context, I think a better summary for this JIRA would be simply: 'Add
unit test for nullable SUM window function' or something similar. The net
effect is that we can continue to use the SUM0 window aggregate.
> Don't use 'SumEmptyIsZero' (SUM0) window aggregate until CALCITE-777 is fixed.
> ------------------------------------------------------------------------------
>
> Key: CALCITE-1108
> URL: https://issues.apache.org/jira/browse/CALCITE-1108
> Project: Calcite
> Issue Type: Bug
> Reporter: Jacques Nadeau
> Assignee: Jacques Nadeau
>
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