[I] [complex types] count distinct fails with native scan [datafusion-comet]

[via GitHub]

andygrove opened a new issue, #1613:
URL: https://github.com/apache/datafusion-comet/issues/1613

   ### Describe the bug
   
   The following SQL fails with the new native scan enabled:
   
   ```sql
   SELECT count(distinct complex_col) FROM t
   ```
   
   Error:
   
   ```
   None.get
   java.util.NoSuchElementException: None.get
        at scala.None$.get(Option.scala:529)
        at scala.None$.get(Option.scala:527)
        at 
org.apache.comet.serde.QueryPlanSerde$.$anonfun$operator2Proto$31(QueryPlanSerde.scala:2479)
        at scala.collection.immutable.List.map(List.scala:293)
        at 
org.apache.comet.serde.QueryPlanSerde$.operator2Proto(QueryPlanSerde.scala:2479)
        at 
org.apache.comet.CometSparkSessionExtensions$CometExecRule.org$apache$comet$CometSparkSessionExtensions$CometExecRule$$transform1$1(CometSparkSessionExtensions.scala:359)
   ```
   
   ### Steps to reproduce
   
   _No response_
   
   ### Expected behavior
   
   _No response_
   
   ### Additional context
   
   _No response_


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