* your callback function is invoked as inline function. \n
* So, your callback function is in read state in SQLite. When you are in read state, sometimes you do not update DB. \n
* We do not recommend you call updating DB function in callback of foreach function.\n
* your callback function is invoked as inline function. \n
* So, your callback function is in read state in SQLite. When you are in read state, sometimes you do not update DB. \n
* We do not recommend you call updating DB function in callback of foreach function.\n