52     pub(crate) mtx: Mutex<i32>,
68     let nf = Box::new(UserDbLock { mtx: Mutex::new(user_id) });  in get_split_db_lock_by_user_id()
85     let nf = Box::new(UserDbLock { mtx: Mutex::new(user_id) });  in get_file_lock_by_user_id_db_file_name()
153     let _lock = db.db_lock.mtx.lock().unwrap();  in get_db()
279         let _lock = self.db_lock.mtx.lock().unwrap();  in close_db()
315         let _lock = self.db_lock.mtx.lock().unwrap();  in get_version()
479         let _lock: std::sync::MutexGuard<'_, i32> = self.db_lock.mtx.lock().unwrap();  in insert_datas()
522         let _lock = self.db_lock.mtx.lock().unwrap();  in delete_datas()
531         let _lock = self.db_lock.mtx.lock().unwrap();  in delete_specific_condition_datas()
557         let _lock = self.db_lock.mtx.lock().unwrap();  in update_datas()
580         let _lock = self.db_lock.mtx.lock().unwrap();  in is_data_exists()
610         let _lock = self.db_lock.mtx.lock().unwrap();  in query_datas()
645         let _lock = self.db_lock.mtx.lock().unwrap();  in query_data_count()
652         let _lock = self.db_lock.mtx.lock().unwrap();  in replace_datas()