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https://issues.apache.org/jira/browse/SPARK-35927?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17371170#comment-17371170
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Apache Spark commented on SPARK-35927:
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User 'gengliangwang' has created a pull request for this issue:
https://github.com/apache/spark/pull/33129
> Remove type collection AllTimestampTypes
> ----------------------------------------
>
> Key: SPARK-35927
> URL: https://issues.apache.org/jira/browse/SPARK-35927
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.2.0
> Reporter: Gengliang Wang
> Assignee: Gengliang Wang
> Priority: Minor
>
> As discussed in
> https://github.com/apache/spark/pull/33115#discussion_r659866760, it is more
> convenient to have a new data type "AnyTimestampType" instead of using type
> collection `AllTimestampTypes`:
> 1. simplify the pattern match
> 2. In the default type coercion rules, when implicit casting a type to a
> TypeCollection type, Spark chooses the first convertible data type as the
> result. If we are going to make the default timestamp type configurable,
> having AnyTimestampType is better
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