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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2021/05/12 03:24:00 UTC
[jira] [Commented] (SPARK-35378) Convert LeafRunnableCommand to
LocalRelation when query with CTE
[ https://issues.apache.org/jira/browse/SPARK-35378?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17342983#comment-17342983 ]
Apache Spark commented on SPARK-35378:
--------------------------------------
User 'beliefer' has created a pull request for this issue:
https://github.com/apache/spark/pull/32513
> Convert LeafRunnableCommand to LocalRelation when query with CTE
> ----------------------------------------------------------------
>
> Key: SPARK-35378
> URL: https://issues.apache.org/jira/browse/SPARK-35378
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.2.0
> Reporter: jiaan.geng
> Priority: Major
>
> Currently, Spark doesn't support LeafRunnableCommand as sub query.
> Because the LeafRunnableCommand always output GenericInternalRow and some node(e.g. SortExec, AdaptiveExecutionExec, WholeCodegenExec) will convert GenericInternalRow to UnsafeRow. So will causes error as follows:
> {code:java}
> java.lang.ClassCastException
> org.apache.spark.sql.catalyst.expressions.GenericInternalRow cannot be cast to org.apache.spark.sql.catalyst.expressions.UnsafeRow
> {code}
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