parthchandra commented on issue #1982:
URL: 
https://github.com/apache/datafusion-comet/issues/1982#issuecomment-3185538678

   How does one reproduce this? I tried - 
   ```
   scala> spark.sql(s"CREATE TABLE IF NOT EXISTS t1 (c0 INT, c1 STRING) USING 
iceberg")
   ...
   scala> spark.sql(s"INSERT INTO t1 VALUES ${(0 until 10000).map(i => (i, 
i)).mkString(",")}")
   ...
   scala> spark.sql(s"select c0, sqrt(c0) from t1 ORDER BY c0").show()
   25/08/13 13:04:39 WARN CometExecRule: Comet cannot execute some parts of 
this plan natively (set spark.comet.explainFallback.enabled=false to disable 
this logging):
    TakeOrderedAndProject [COMET: ]
   +- Project
      +-  BatchScan spark_catalog.default.t1 [COMET: Unsupported scan: 
org.apache.iceberg.spark.source.SparkBatchQueryScan. Comet Scan only supports 
Parquet and Iceberg Parquet file formats, BatchScan spark_catalog.default.t1 is 
not supported]
   
   ```
   The query falls back to Spark. 


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