liziyan-lzy commented on code in PR #12254:
URL: https://github.com/apache/iceberg/pull/12254#discussion_r2111137312


##########
spark/v3.5/spark/src/main/java/org/apache/iceberg/spark/actions/DeleteOrphanFilesSparkAction.java:
##########
@@ -303,39 +310,89 @@ private Dataset<String> listedFileDS() {
     List<String> subDirs = Lists.newArrayList();
     List<String> matchingFiles = Lists.newArrayList();
 
-    Predicate<FileStatus> predicate = file -> file.getModificationTime() < 
olderThanTimestamp;
     PathFilter pathFilter = 
PartitionAwareHiddenPathFilter.forSpecs(table.specs());
 
-    // list at most MAX_DRIVER_LISTING_DEPTH levels and only dirs that have
-    // less than MAX_DRIVER_LISTING_DIRECT_SUB_DIRS direct sub dirs on the 
driver
-    listDirRecursively(
-        location,
-        predicate,
-        hadoopConf.value(),
-        MAX_DRIVER_LISTING_DEPTH,
-        MAX_DRIVER_LISTING_DIRECT_SUB_DIRS,
-        subDirs,
-        pathFilter,
-        matchingFiles);
-
-    JavaRDD<String> matchingFileRDD = 
sparkContext().parallelize(matchingFiles, 1);
-
-    if (subDirs.isEmpty()) {
+    if (usePrefixListing) {
+      Preconditions.checkArgument(
+          table.io() instanceof SupportsPrefixOperations,
+          "Table file io should prefix operations when using prefix list.");

Review Comment:
   Thank you very much for identifying this issue. I’ve corrected it now.



##########
spark/v3.5/spark/src/main/java/org/apache/iceberg/spark/actions/DeleteOrphanFilesSparkAction.java:
##########
@@ -303,39 +310,89 @@ private Dataset<String> listedFileDS() {
     List<String> subDirs = Lists.newArrayList();
     List<String> matchingFiles = Lists.newArrayList();
 
-    Predicate<FileStatus> predicate = file -> file.getModificationTime() < 
olderThanTimestamp;
     PathFilter pathFilter = 
PartitionAwareHiddenPathFilter.forSpecs(table.specs());
 
-    // list at most MAX_DRIVER_LISTING_DEPTH levels and only dirs that have
-    // less than MAX_DRIVER_LISTING_DIRECT_SUB_DIRS direct sub dirs on the 
driver
-    listDirRecursively(
-        location,
-        predicate,
-        hadoopConf.value(),
-        MAX_DRIVER_LISTING_DEPTH,
-        MAX_DRIVER_LISTING_DIRECT_SUB_DIRS,
-        subDirs,
-        pathFilter,
-        matchingFiles);
-
-    JavaRDD<String> matchingFileRDD = 
sparkContext().parallelize(matchingFiles, 1);
-
-    if (subDirs.isEmpty()) {
+    if (usePrefixListing) {
+      Preconditions.checkArgument(
+          table.io() instanceof SupportsPrefixOperations,
+          "Table file io should prefix operations when using prefix list.");
+
+      Predicate<org.apache.iceberg.io.FileInfo> predicate =
+          fileInfo -> fileInfo.createdAtMillis() < olderThanTimestamp;
+      listDirRecursivelyWithFileIO(
+          (SupportsPrefixOperations) table.io(), location, predicate, 
pathFilter, matchingFiles);
+
+      JavaRDD<String> matchingFileRDD = 
sparkContext().parallelize(matchingFiles, 1);
       return spark().createDataset(matchingFileRDD.rdd(), Encoders.STRING());
+    } else {
+      Predicate<FileStatus> predicate = file -> file.getModificationTime() < 
olderThanTimestamp;
+      // list at most MAX_DRIVER_LISTING_DEPTH levels and only dirs that have
+      // less than MAX_DRIVER_LISTING_DIRECT_SUB_DIRS direct sub dirs on the 
driver
+      listDirRecursivelyWithHadoop(
+          location,
+          predicate,
+          hadoopConf.value(),
+          MAX_DRIVER_LISTING_DEPTH,
+          MAX_DRIVER_LISTING_DIRECT_SUB_DIRS,
+          subDirs,
+          pathFilter,
+          matchingFiles);
+
+      JavaRDD<String> matchingFileRDD = 
sparkContext().parallelize(matchingFiles, 1);
+
+      if (subDirs.isEmpty()) {
+        return spark().createDataset(matchingFileRDD.rdd(), Encoders.STRING());
+      }
+
+      int parallelism = Math.min(subDirs.size(), listingParallelism);
+      JavaRDD<String> subDirRDD = sparkContext().parallelize(subDirs, 
parallelism);
+
+      Broadcast<SerializableConfiguration> conf = 
sparkContext().broadcast(hadoopConf);
+      ListDirsRecursively listDirs = new ListDirsRecursively(conf, 
olderThanTimestamp, pathFilter);
+      JavaRDD<String> matchingLeafFileRDD = subDirRDD.mapPartitions(listDirs);
+
+      JavaRDD<String> completeMatchingFileRDD = 
matchingFileRDD.union(matchingLeafFileRDD);
+      return spark().createDataset(completeMatchingFileRDD.rdd(), 
Encoders.STRING());
+    }
+  }
+
+  private static void listDirRecursivelyWithFileIO(
+      SupportsPrefixOperations io,
+      String dir,
+      Predicate<org.apache.iceberg.io.FileInfo> predicate,
+      PathFilter pathFilter,
+      List<String> matchingFiles) {
+    String listPath = dir;
+    if (!dir.endsWith("/")) {
+      listPath = dir + "/";
+    }
+
+    Iterable<org.apache.iceberg.io.FileInfo> files = io.listPrefix(listPath);
+    for (org.apache.iceberg.io.FileInfo file : files) {
+      Path path = new Path(file.location());

Review Comment:
   Thanks for highlight this. I’ll verify the issue to ensure proper path 
handling for S3, etc., and will follow up if it is an issue.



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