[GitHub] [carbondata] KanakaKumar commented on a change in pull request #3262: [CARBONDATA-3415] Merge index is not working for partition table. Merge index for partition table is taking significantly longer time than normal table.

[GitBox]

KanakaKumar commented on a change in pull request #3262: [CARBONDATA-3415] Merge index is not working for partition table. Merge index for partition table is taking significantly longer time than normal table.
URL: https://github.com/apache/carbondata/pull/3262#discussion_r293295848
 
 

 ##########
 File path: core/src/main/java/org/apache/carbondata/core/metadata/SegmentFileStore.java
 ##########
 @@ -108,10 +129,19 @@ public static void writeSegmentFile(String tablePath, final String taskNo, Strin
         folderDetails.setPartitions(partionNames);
         folderDetails.setStatus(SegmentStatus.SUCCESS.getMessage());
         for (CarbonFile file : carbonFiles) {
-          folderDetails.getFiles().add(file.getName());
+          if (file.getName().endsWith(CarbonTablePath.MERGE_INDEX_FILE_EXT)) {
+            folderDetails.setMergeFileName(file.getName());
+          } else {
+            folderDetails.getFiles().add(file.getName());
+          }
         }
         segmentFile.addPath(location, folderDetails);
-        String path = writePath + "/" + taskNo + CarbonTablePath.SEGMENT_EXT;
+        String path = null;
+        if (isMergeIndexFlow) {
+          path = writePath + "/" + CarbonUtil.generateUUID() + CarbonTablePath.SEGMENT_EXT;
 
 Review comment:
   Please write comments why you need a  UUID

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