Note that this approach has risks around race conditions. Anytime you
have a construct for the id you run the risk of having it create
duplicate ids. You will need to handle that.
Bastien
Sent from my iPod
On Sep 10, 2009, at 6:49 PM, Ben Dunlap <bdun...@agentintellect.com>
wrote:
I assume that I can get increment value/sequence from db (I used
harcoded
increment value in the code above (generate_id(1))),
but I don't know how I can get this incremental value from db.I use
mysql
5.0.
If you're thinking of retrieving the newest value of an AUTO_INCREMENT
column, immediately after inserting a row, there are different ways to
do this depending on how you're connecting to MySQL.
PDO, for example, has a method called lastInsertId():
http://us2.php.net/manual/en/pdo.lastinsertid.php
And the mysql_* family of functions has mysql_insert_id(), etc.
Ben
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