virajjasani commented on code in PR #2209:
URL: https://github.com/apache/phoenix/pull/2209#discussion_r2183908884


##########
phoenix-core-server/src/main/java/org/apache/phoenix/coprocessor/CompactionScanner.java:
##########
@@ -205,7 +212,15 @@ public CompactionScanner(RegionCoprocessorEnvironment env,
         emptyCFStore = familyCount == 1 || 
columnFamilyName.equals(Bytes.toString(emptyCF))
                         || localIndex;
 
-        isCDCIndex = table != null ? CDCUtil.isCDCIndex(table) : false;
+        this.table = table;
+        isCDCIndex = CDCUtil.isCDCIndex(table);

Review Comment:
   It is used to ensure the cells of CDC index that are in the maxLookback 
window are always retained
   ```
               if (isCDCIndex) {
                   return retainCellsForCDCIndex(result, retainedCells);
               }
   ```



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