shenjiayu17 commented on a change in pull request #3986:
URL: https://github.com/apache/carbondata/pull/3986#discussion_r506020858
##########
File path:
processing/src/main/java/org/apache/carbondata/processing/merger/CarbonDataMergerUtil.java
##########
@@ -1210,6 +1198,39 @@ private static boolean
checkDeleteDeltaFilesInSeg(Segment seg,
return blockLists;
}
+ private static List<String> checkAndGetDeleteDeltaFilesInSeg(Segment seg,
+ SegmentUpdateStatusManager segmentUpdateStatusManager, int
numberDeltaFilesThreshold) {
+
+ List<String> blockLists = new ArrayList<>();
+
+ Map<String, List<CarbonFile>> blockAndDeleteDeltaFilesMap =
+ segmentUpdateStatusManager.getDeleteDeltaFilesForSegment(seg);
+
+ List<String> blockNameList =
+ segmentUpdateStatusManager.getBlockNameFromSegment(seg.getSegmentNo());
+
+ Set<String> uniqueBlocks = new HashSet<String>();
+ for (final String blockName : blockNameList) {
+
+ List<CarbonFile> deleteDeltaFiles =
blockAndDeleteDeltaFilesMap.get(blockName);
+
+ if (null != deleteDeltaFiles) {
+ for (CarbonFile blocks : deleteDeltaFiles) {
Review comment:
Done
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