Re: Noobie starting to learn OOP for databases needs help

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On Sun, Dec 16, 2012 at 4:38 PM, dealTek <dealtek@xxxxxxxxx> wrote:

> Hi all,
>
> Noobie starting to learn oop for databases from here:
>
>
> https://github.com/JeffreyWay/PHP-MySQL-Database-Class/blob/master/MysqlDb.php
>
> I've got lots working but have a few issues:
>
> 1 - after an insert I'd like to get the id of the new record and I'm not
> sure how to get that...
>
> mysql_insert_id (depricated?) or mysqli_insert_id() (I am using mySql 5.3)
>
> not sure where to add this... (most likely in MysqlDb.php but I don't know
> where or how...)
>
> http://de.php.net/manual/en/function.mysql-insert-id.php



try SELECT LAST_INSERT_ID();
it should give you the id of the last inserted row (on a connection basis).



>
>
> 2 - how does one do aggrigate select queries like "SELECT SUM(price) FROM
> mytable" ... what I tried seemed to fail...
>
>
Please show is exact query that failes, and give the error it returns.


>
> And if anyone can point to some good OOP training URL's I'd appreciate it.
>
> Thanks in advance for any assistance...
>
>
Note sure what OOP has to do with MySQL, but I'd say google for PHP OOP and
there's plenty of good stuff available.

- Matijn

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