feat: experimental getLastBookings function

SQL/PLSQL.sql

@@ -1,5 +1,4 @@
-
-
+CREATE OR REPLACE TYPE bookingIds AS TABLE OF NUMBER;
 
 CREATE OR REPLACE FUNCTION mostValuableClerk(months IN NUMBER) RETURN NUMBER
 IS
@@ -30,15 +29,19 @@ BEGIN
     return finalclerkid;
 END;
 
-CREATE OR REPLACE PROCEDURE getLastBookings(months IN NUMBER)
+CREATE OR REPLACE FUNCTION getLastBookings(months IN NUMBER) RETURN bookingIds
 IS
     CURSOR bookingsCursor IS SELECT BOOKINGID FROM BOOKING WHERE ARRIVALDATE >= ADD_MONTHS(SYSDATE,-months);
-
+    ids bookingIds;
 BEGIN
+        ids := bookingIds();
         FOR booking IN bookingsCursor
         LOOP
+            ids.extend;
+            ids(ids.count) := booking.BOOKINGID;
             DBMS_OUTPUT.PUT_LINE(booking.BOOKINGID);
         END LOOP;
+        return ids;
 END;
 
 CREATE OR REPLACE PROCEDURE rooms(clientz IN NUMBER, months IN NUMBER)