danny0405 commented on code in PR #8684:
URL: https://github.com/apache/hudi/pull/8684#discussion_r1220774838


##########
hudi-common/src/main/java/org/apache/hudi/metadata/HoodieTableMetadataUtil.java:
##########
@@ -1453,7 +1453,11 @@ public static String 
deleteMetadataTablePartition(HoodieTableMetaClient dataMeta
    * @return The fileID
    */
   public static String getFileIDForFileGroup(MetadataPartitionType 
partitionType, int index) {
-    return String.format("%s%04d", partitionType.getFileIdPrefix(), index);
+    if (partitionType == MetadataPartitionType.FILES) {
+      return String.format("%s%04d-%d", partitionType.getFileIdPrefix(), 
index, 0);
+    } else {

Review Comment:
   What is the purpos of extra suffix `-0` for `FILES` file group?



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