refresh latest NAV MV

main.py

@@ -114,6 +114,12 @@ async def update_nav(data: list[dict]):
             execute_values(cursor, query, values)
             conn.commit()
         logger.info('Update NAV was called and db update succeeded')
+
+        with conn.cursur() as cursor:
+            cursor.execute('refresh materialized view latest_nav')
+            conn.commit()
+        logger.info('Latest NAV materialized view refreshed')    
+        
         return {'message': "Database updated succesfully"}
     except Exception as e:
         logger.exception(f"Update Db errored out: {e}")