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https://issues.apache.org/jira/browse/CALCITE-6690?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17897970#comment-17897970
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Caican Cai commented on CALCITE-6690:
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[~mbudiu] Hi, I have created a corresponding jira case, welcome to give
comments, I am not familiar with the type system
> Refactoring the Arrow adapter type system
> -----------------------------------------
>
> Key: CALCITE-6690
> URL: https://issues.apache.org/jira/browse/CALCITE-6690
> Project: Calcite
> Issue Type: New Feature
> Components: arrow-adapter
> Affects Versions: 1.38.0
> Reporter: Caican Cai
> Priority: Major
>
> The current Arrow adapter type system does not support the precision of time,
> timestamp, decimal, etc. For example, decimal will be converted to
> DECIMAL(19, 0) by default.
> The Arrow adapter type system needs to be improved to support the precision
> of some sql types.
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