QiangCai commented on a change in pull request #3771:
URL: https://github.com/apache/carbondata/pull/3771#discussion_r456176045



##########
File path: 
core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RowLevelFilterExecuterImpl.java
##########
@@ -222,49 +228,103 @@ public BitSetGroup applyFilter(RawBlockletColumnChunks 
rawBlockletColumnChunks,
       }
     }
     BitSetGroup bitSetGroup = new BitSetGroup(pageNumbers);
-    for (int i = 0; i < pageNumbers; i++) {
-      BitSet set = new BitSet(numberOfRows[i]);
-      RowIntf row = new RowImpl();
-      BitSet prvBitset = null;
-      // if bitset pipe line is enabled then use rowid from previous bitset
-      // otherwise use older flow
-      if (!useBitsetPipeLine ||
-          null == rawBlockletColumnChunks.getBitSetGroup() ||
-          null == bitSetGroup.getBitSet(i) ||
-          rawBlockletColumnChunks.getBitSetGroup().getBitSet(i).isEmpty()) {
+    if (isDimensionPresentInCurrentBlock.length == 1 && 
isDimensionPresentInCurrentBlock[0]

Review comment:
       it will be hard to read the code after we add more if condition




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