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https://issues.apache.org/jira/browse/CALCITE-3612?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17003069#comment-17003069
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Zhenghua Gao commented on CALCITE-3612:
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[~amaliujia] What do you mean by the concrete types？I want to introduce the two
types, the internal representation and the coercion rules in this ticket.
[~danny0405] I have opened a PR, please take a look.
> Add TIME/TIMESTAMP WITH TIME ZONE in optimizer
> ----------------------------------------------
>
> Key: CALCITE-3612
> URL: https://issues.apache.org/jira/browse/CALCITE-3612
> Project: Calcite
> Issue Type: Sub-task
> Components: core
> Reporter: Zhenghua Gao
> Priority: Major
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
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