kishoreg commented on a change in pull request #5952:
URL: https://github.com/apache/incubator-pinot/pull/5952#discussion_r483274857



##########
File path: 
pinot-core/src/main/java/org/apache/pinot/core/operator/filter/FilterOperatorUtils.java
##########
@@ -49,25 +48,31 @@ public static BaseFilterOperator 
getLeafFilterOperator(PredicateEvaluator predic
     }
 
     Predicate.Type predicateType = predicateEvaluator.getPredicateType();
-    if (predicateType == Predicate.Type.RANGE) {
-      if (dataSource.getDataSourceMetadata().isSorted()) {
-        return new SortedIndexBasedFilterOperator(predicateEvaluator, 
dataSource, numDocs);
-      }
-      if (dataSource.getRangeIndex() != null) {
-        return new 
RangeIndexBasedFilterOperator((OfflineDictionaryBasedRangePredicateEvaluator) 
predicateEvaluator,
-            dataSource, numDocs);
-      }
-      return new ScanBasedFilterOperator(predicateEvaluator, dataSource, 
numDocs);
-    } else if (predicateType == Predicate.Type.REGEXP_LIKE) {
-      return new ScanBasedFilterOperator(predicateEvaluator, dataSource, 
numDocs);
-    } else {
-      if (dataSource.getDataSourceMetadata().isSorted()) {
-        return new SortedIndexBasedFilterOperator(predicateEvaluator, 
dataSource, numDocs);
-      }
-      if (dataSource.getInvertedIndex() != null) {
-        return new BitmapBasedFilterOperator(predicateEvaluator, dataSource, 
numDocs);
-      }
-      return new ScanBasedFilterOperator(predicateEvaluator, dataSource, 
numDocs);
+    switch (predicateType) {

Review comment:
       Good job cleaning this up




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