viirya opened a new issue, #879:
URL: https://github.com/apache/datafusion-comet/issues/879
### Describe the bug
We found an issue internally where `ShuffleQueryStageExec` becomes direct
node of `CometBroadcastExchangeExec` but it doesn't allow for now:
```
- ShuffleQueryStageExec could be direct child node of
CometBroadcastExchangeExec *** FAILED *** (6 seconds, 287 milliseconds)
org.apache.comet.CometRuntimeException: Child of
CometBroadcastExchangeExec should be CometExec, but got: class
org.apache.spark.sql.execution.adaptive.ShuffleQueryStageExec
at
org.apache.spark.sql.comet.CometBroadcastExchangeExec.$anonfun$relationFuture$1(CometBroadcastExchangeExec.scala:149)
at
org.apache.spark.sql.execution.SQLExecution$.$anonfun$withThreadLocalCaptured$1(SQLExecution.scala:217)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at java.base/java.lang.Thread.run(Thread.java:833)
```
### Steps to reproduce
_No response_
### Expected behavior
_No response_
### Additional context
_No response_
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