add: macro endpoint for execution

src/models/junction_relay_schedule.c

@@ -95,7 +95,7 @@ junction_relay_schedule_get_relay_ids_with_schedule(int schedule_id)
 {
     sqlite3_stmt *stmt;
 
-    sqlite3_prepare_v2(global_database, "SELECT relay_id FROM junction_relay_schedule WHERE schedule_id=?1;", -1, &stmt, NULL);
+    sqlite3_prepare_v2(global_database, "SELECT DISTINCT relay_id FROM junction_relay_schedule WHERE schedule_id=?1;", -1, &stmt, NULL);
     sqlite3_bind_int(stmt, 1, schedule_id);
 
     return database_helper_get_ids(stmt);