The good ol' LAST_INSERT_ID() function is what you probably need. Check it out in manual.
Lian > -----Original Message----- > From: Matt Hyne [mailto:[EMAIL PROTECTED] > Sent: Tuesday, June 24, 2003 5:58 AM > To: [EMAIL PROTECTED] > Subject: Getting the unique auto-increment primary key after an insert > > > > Hi Folks, needs a little advice. > > I have a table that contains a unique auto-incrementing primary key > called 'id' (eg 1,2,3,4...). When inserting data, I let mySQL allocate > the value that goes into this field. > > Now I want to insert a new row into this table and get the 'id' value > that mySQL has allocated (so I can then do some more work such as > attaching a filename called 'id'.xxx). > > Can someone suggest a good way to do this ? I thought of maybe doing a > "SELECT MAX(id) FROM table" first and then using id+1 as the new 'id' > for the next entry but this is frought with danger as someone could come > along and insert a new entry between my SELECT and INSERT. > > Because 'id' is the only guaranteed unique column, I cannot think of a > way to do a SELECT after an INSERT to get back the 'id' of the last > thing inserted. > > Can anyone help ? > > Matt > > > -- > MySQL General Mailing List > For list archives: http://lists.mysql.com/mysql > To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED] > > -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]
