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https://issues.apache.org/jira/browse/CALCITE-6409?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17845744#comment-17845744
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Julian Hyde edited comment on CALCITE-6409 at 5/12/24 8:42 PM:
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[~caicancai], Please describe what research you have done, including related
Jira cases. Also, make sure that your use case really needs comparable types
before you complain about the definition of "comparable".
was (Author: julianhyde):
[~caicancai], Please describe what research you have done, including related
Jira cases.
> Char types and Boolean types are comparable
> -------------------------------------------
>
> Key: CALCITE-6409
> URL: https://issues.apache.org/jira/browse/CALCITE-6409
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Affects Versions: 1.37.0
> Reporter: Caican Cai
> Priority: Critical
> Fix For: 1.38.0
>
>
> In the SameOperandTypeChecker method, the char type and the boolean type are
> comparable because of the call to the isComparable method.
> Comparability of char types and boolean types returns true in the
> isComparable method.
> However, char types and Boolean types in Spark are incomparable. Does Calcite
> have fixed standards here?
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