CometColumnarToRow
+- CometTakeOrderedAndProject
   +- CometHashAggregate
      +- CometColumnarExchange
         +- HashAggregate
            +- Union
               :- Project
               :  +- Filter
               :     +- Window
               :        +- Sort
               :           +-  Window [COMET: WindowExec is not fully compatible with Spark (Native WindowExec has known correctness issues). To enable it anyway, set spark.comet.operator.WindowExec.allowIncompatible=true. For more information, refer to the Comet Compatibility Guide (https://datafusion.apache.org/comet/user-guide/compatibility.html).]
               :              +- CometColumnarToRow
               :                 +- CometSort
               :                    +- CometExchange
               :                       +- CometHashAggregate
               :                          +- CometExchange
               :                             +- CometHashAggregate
               :                                +- CometProject
               :                                   +- CometBroadcastHashJoin
               :                                      :- CometProject
               :                                      :  +- CometBroadcastHashJoin
               :                                      :     :- CometBroadcastExchange
               :                                      :     :  +- CometProject
               :                                      :     :     +- CometFilter
               :                                      :     :        +- CometScan [native_iceberg_compat] parquet spark_catalog.default.web_sales
               :                                      :     :              +- SubqueryBroadcast
               :                                      :     :                 +- BroadcastExchange
               :                                      :     :                    +- CometNativeColumnarToRow
               :                                      :     :                       +- CometProject
               :                                      :     :                          +- CometFilter
               :                                      :     :                             +- CometScan [native_iceberg_compat] parquet spark_catalog.default.date_dim
               :                                      :     +- CometProject
               :                                      :        +- CometFilter
               :                                      :           +- CometScan [native_iceberg_compat] parquet spark_catalog.default.web_returns
               :                                      +- CometBroadcastExchange
               :                                         +- CometProject
               :                                            +- CometFilter
               :                                               +- CometScan [native_iceberg_compat] parquet spark_catalog.default.date_dim
               :- Project
               :  +- Filter
               :     +- Window
               :        +- Sort
               :           +-  Window [COMET: WindowExec is not fully compatible with Spark (Native WindowExec has known correctness issues). To enable it anyway, set spark.comet.operator.WindowExec.allowIncompatible=true. For more information, refer to the Comet Compatibility Guide (https://datafusion.apache.org/comet/user-guide/compatibility.html).]
               :              +- CometColumnarToRow
               :                 +- CometSort
               :                    +- CometExchange
               :                       +- CometHashAggregate
               :                          +- CometExchange
               :                             +- CometHashAggregate
               :                                +- CometProject
               :                                   +- CometBroadcastHashJoin
               :                                      :- CometProject
               :                                      :  +- CometBroadcastHashJoin
               :                                      :     :- CometBroadcastExchange
               :                                      :     :  +- CometProject
               :                                      :     :     +- CometFilter
               :                                      :     :        +- CometScan [native_iceberg_compat] parquet spark_catalog.default.catalog_sales
               :                                      :     :              +- ReusedSubquery
               :                                      :     +- CometProject
               :                                      :        +- CometFilter
               :                                      :           +- CometScan [native_iceberg_compat] parquet spark_catalog.default.catalog_returns
               :                                      +- CometBroadcastExchange
               :                                         +- CometProject
               :                                            +- CometFilter
               :                                               +- CometScan [native_iceberg_compat] parquet spark_catalog.default.date_dim
               +- Project
                  +- Filter
                     +- Window
                        +- Sort
                           +-  Window [COMET: WindowExec is not fully compatible with Spark (Native WindowExec has known correctness issues). To enable it anyway, set spark.comet.operator.WindowExec.allowIncompatible=true. For more information, refer to the Comet Compatibility Guide (https://datafusion.apache.org/comet/user-guide/compatibility.html).]
                              +- CometColumnarToRow
                                 +- CometSort
                                    +- CometExchange
                                       +- CometHashAggregate
                                          +- CometExchange
                                             +- CometHashAggregate
                                                +- CometProject
                                                   +- CometBroadcastHashJoin
                                                      :- CometProject
                                                      :  +- CometBroadcastHashJoin
                                                      :     :- CometBroadcastExchange
                                                      :     :  +- CometProject
                                                      :     :     +- CometFilter
                                                      :     :        +- CometScan [native_iceberg_compat] parquet spark_catalog.default.store_sales
                                                      :     :              +- ReusedSubquery
                                                      :     +- CometProject
                                                      :        +- CometFilter
                                                      :           +- CometScan [native_iceberg_compat] parquet spark_catalog.default.store_returns
                                                      +- CometBroadcastExchange
                                                         +- CometProject
                                                            +- CometFilter
                                                               +- CometScan [native_iceberg_compat] parquet spark_catalog.default.date_dim

Comet accelerated 66 out of 87 eligible operators (75%). Final plan contains 5 transitions between Spark and Comet.