Fix Rust import order and skip INSERT OVERWRITE DIRECTORY in Comet

Author: Shekharrajak

native/spark-expr/src/string_funcs/contains.rs

@@ -26,8 +26,8 @@
 //! scalar path in arrow-rs.
 
 use arrow::array::{Array, ArrayRef, AsArray, BooleanArray};
-use arrow::datatypes::DataType;
 use arrow::compute::kernels::comparison::contains as arrow_contains;
+use arrow::datatypes::DataType;
 use datafusion::common::{exec_err, Result, ScalarValue};
 use datafusion::logical_expr::{
     ColumnarValue, ScalarFunctionArgs, ScalarUDFImpl, Signature, Volatility,

spark/src/main/scala/org/apache/comet/serde/operator/CometDataWritingCommand.scala

@@ -50,6 +50,11 @@ object CometDataWritingCommand extends CometOperatorSerde[DataWritingCommandExec
   override def getSupportLevel(op: DataWritingCommandExec): SupportLevel = {
     op.cmd match {
       case cmd: InsertIntoHadoopFsRelationCommand =>
+        // Skip INSERT OVERWRITE DIRECTORY operations (catalogTable is None for directory writes)
+        if (cmd.catalogTable.isEmpty) {
+          return Unsupported(Some("INSERT OVERWRITE DIRECTORY is not supported"))
+        }
+
         cmd.fileFormat match {
           case _: ParquetFileFormat =>
             if (!cmd.outputPath.toString.startsWith("file:")) {