[GitHub] [carbondata] shenjiayu17 commented on a change in pull request #3986: [CARBONDATA-4034] Improve the time-consuming of Horizontal Compaction for update

[GitBox]

shenjiayu17 commented on a change in pull request #3986:
URL: https://github.com/apache/carbondata/pull/3986#discussion_r510065323



##########
File path: 
processing/src/main/java/org/apache/carbondata/processing/merger/CarbonDataMergerUtil.java
##########
@@ -1246,20 +1197,16 @@ public static boolean isHorizontalCompactionEnabled() {
     // set the update status.
     segmentUpdateStatusManager.setUpdateStatusDetails(segmentUpdateDetails);
 
-    CarbonFile[] deleteDeltaFiles =
+    List<String> deleteFilePathList =
         segmentUpdateStatusManager.getDeleteDeltaFilesList(new Segment(seg), 
blockName);
 
     String destFileName =
         blockName + "-" + timestamp.toString() + 
CarbonCommonConstants.DELETE_DELTA_FILE_EXT;
-    List<String> deleteFilePathList = new ArrayList<>();
-    if (null != deleteDeltaFiles && deleteDeltaFiles.length > 0 && null != 
deleteDeltaFiles[0]
-        .getParentFile()) {
-      String fullBlockFilePath = 
deleteDeltaFiles[0].getParentFile().getCanonicalPath()
-          + CarbonCommonConstants.FILE_SEPARATOR + destFileName;
-
-      for (CarbonFile cFile : deleteDeltaFiles) {
-        deleteFilePathList.add(cFile.getCanonicalPath());
-      }
+    if (deleteFilePathList.size() > 0) {
+      String deleteDeltaFilePath = deleteFilePathList.get(0);
+      String fullBlockFilePath =
+          deleteDeltaFilePath.substring(0, 
deleteDeltaFilePath.lastIndexOf("/")) +

Review comment:
       Done




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