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https://issues.apache.org/jira/browse/CALCITE-4342?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17216403#comment-17216403
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Liya Fan commented on CALCITE-4342:
-----------------------------------
[~julianhyde] Thanks a lot for your feedback. I have changed the title and
description accordingly. Please check.
Also, the suggestions about \{{getRollup}} methods sounds reasonable, I will
try to refactor them.
> More aggregate functions should be marked as splittable and ignore distinct
> optionality
> ---------------------------------------------------------------------------------------
>
> Key: CALCITE-4342
> URL: https://issues.apache.org/jira/browse/CALCITE-4342
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Reporter: Liya Fan
> Assignee: Liya Fan
> Priority: Major
>
> As discussed in the mailing list, there are more aggregate functions (e.g.
> SINGLE_VALUE, ANY_VALUE) that can be classified as splittable and ignore
> distinct optionality. We need to tell the optimizer explicitly about this, so
> more optimizations can be applied in various scenarios.
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