jiaan.geng created SPARK-35378:
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Summary: Support LeafRunnableCommand as subQuery so as support
query command 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
Currently, Spark doesn't support LeafRunnableCommand as sub query.
Because the LeafRunnableCommand always output GenericInternalRow and some
node(e.g. SortExec, AdaptiveExecutionExec, WholeCodegenExce) 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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