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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2021/08/01 13:47:00 UTC
[jira] [Commented] (SPARK-36373) DecimalPrecision only add
necessary cast
[ https://issues.apache.org/jira/browse/SPARK-36373?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17391150#comment-17391150 ]
Apache Spark commented on SPARK-36373:
--------------------------------------
User 'wangyum' has created a pull request for this issue:
https://github.com/apache/spark/pull/33602
> DecimalPrecision only add necessary cast
> ----------------------------------------
>
> Key: SPARK-36373
> URL: https://issues.apache.org/jira/browse/SPARK-36373
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.3.0
> Reporter: Yuming Wang
> Priority: Major
>
> For example:
> {noformat}
> EqualTo(AttributeReference("d1", DecimalType(5, 2))(), AttributeReference("d2", DecimalType(2, 1))())
> {noformat}
> It will add a useless cast to {{d1}}:
> {noformat}
> (cast(d1#6 as decimal(5,2)) = cast(d2#7 as decimal(5,2)))
> {noformat}
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