kadirozde commented on code in PR #2015:
URL: https://github.com/apache/phoenix/pull/2015#discussion_r1833310977


##########
phoenix-core-client/src/main/java/org/apache/phoenix/optimize/QueryOptimizer.java:
##########
@@ -283,13 +283,17 @@ private List<QueryPlan> 
getApplicablePlansForSingleFlatQuery(QueryPlan dataPlan,
             plans.add(dataPlan);
             hintedPlan = getHintedQueryPlan(statement, translatedIndexSelect, 
indexes,
                     targetColumns, parallelIteratorFactory, plans);
-            if (hintedPlan != null) {
+            if (hintedPlan != null ) {
                 PTable index = hintedPlan.getTableRef().getTable();
-                if (stopAtBestPlan && hintedPlan.isApplicable() && 
(index.getIndexWhere() == null
-                        || isPartialIndexUsable(select, dataPlan, index))) {
-                    return Collections.singletonList(hintedPlan);
+                // Ignore any index hint with a CDC index

Review Comment:
   As it is a truncated index, it only includes index rows for the data table 
rows that have changed within the max lookback window.



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