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https://issues.apache.org/jira/browse/CALCITE-1621?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15871829#comment-15871829
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Anton Mushin commented on CALCITE-1621:
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Hello [~julianhyde],
I updated PR. I added test cases for cast in
{{AggregateExpandDistinctAggregatesRule}} and {{AggregateReduceFunctionsRule}}.
I don't know how I can check cast null literal in {{AggregateValuesRule}}
because the rule works with result null literal and I get
{{LogicalValues(tuples=[[{ 0, null }]])}} in result plan.
> Adding a cast around the null literal in aggregate rules
> --------------------------------------------------------
>
> Key: CALCITE-1621
> URL: https://issues.apache.org/jira/browse/CALCITE-1621
> Project: Calcite
> Issue Type: Bug
> Affects Versions: 1.9.0
> Reporter: Anton Mushin
> Assignee: Julian Hyde
>
> [details in
> mail|https://mail-archives.apache.org/mod_mbox/calcite-dev/201702.mbox/%3CBE6B5F8C-5F10-4394-8A6E-E5D0112B7BFF%40apache.org%3E]
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