added indexes on slots

database/init.sql

@@ -14,6 +14,9 @@ create table if not exists slots (
     sales_manager_id int not null references sales_managers(Id)
 );
 
+create index slots_manager_booked_start_date_idx on slots(sales_manager_id, booked, start_date);
+create index slots_manager_booked_end_date_idx on slots(sales_manager_id, booked, end_date);
+
 insert into sales_managers (name, languages, products, customer_ratings) values ('Seller 1', '{"German"}', '{"SolarPanels"}', '{"Bronze"}');
 insert into sales_managers (name, languages, products, customer_ratings) values ('Seller 2', '{"German", "English"}', '{"SolarPanels", "Heatpumps"}', '{"Gold","Silver","Bronze"}');
 insert into sales_managers (name, languages, products, customer_ratings) values ('Seller 3', '{"German", "English"}', '{"Heatpumps"}', '{"Gold","Silver","Bronze"}');