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https://issues.apache.org/jira/browse/SPARK-48288?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wenchen Fan resolved SPARK-48288.
---------------------------------
Fix Version/s: 4.0.0
Resolution: Fixed
Issue resolved by pull request 46596
[https://github.com/apache/spark/pull/46596]
> Add source data type to connector.Cast expression
> -------------------------------------------------
>
> Key: SPARK-48288
> URL: https://issues.apache.org/jira/browse/SPARK-48288
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 4.0.0
> Reporter: Uros Stankovic
> Assignee: Uros Stankovic
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0
>
>
> Currently,
> V2ExpressionBuilder will build connector.Cast expression from catalyst.Cast
> expression.
> Catalyst cast have expression data type, but connector cast does not have it.
> Since some casts are not allowed on external engine, we need to know source
> and target data type, since we want finer granularity to block some
> unsupported casts.
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