[NO ISSUE][COMP] Include RUNNINGAGGREGATE & INTERSECT as scoped operators

- user model changes: no
- storage format changes: no
- interface changes: no

Details:
Include RUNNINGAGGREGATE & INTERSECT as scoped operators in
pushdown context.

Change-Id: I3a7b316d2bd04c64f0e328e7077a75eb784c4eb1
Reviewed-on: https://asterix-gerrit.ics.uci.edu/c/asterixdb/+/18015
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Wail Alkowaileet <wael.y.k@gmail.com>
Reviewed-by: Ali Alsuliman <ali.al.solaiman@gmail.com>
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/pushdown/PushdownContext.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/pushdown/PushdownContext.java
index 51d25a4..e565b8d 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/pushdown/PushdownContext.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/pushdown/PushdownContext.java
@@ -244,7 +244,8 @@
 
     private static Set<LogicalOperatorTag> getScopeOperators() {
         return EnumSet.of(LogicalOperatorTag.INNERJOIN, LogicalOperatorTag.LEFTOUTERJOIN, LogicalOperatorTag.GROUP,
-                LogicalOperatorTag.AGGREGATE, LogicalOperatorTag.WINDOW, LogicalOperatorTag.UNIONALL);
+                LogicalOperatorTag.AGGREGATE, LogicalOperatorTag.WINDOW, LogicalOperatorTag.RUNNINGAGGREGATE,
+                LogicalOperatorTag.UNIONALL, LogicalOperatorTag.INTERSECT);
     }
 
 }