last_insert_id() returns the last auto-increment your connection. Another connection might make an insert and the auto-increment may change between the time you insert and get your last_insert_id();
Curtis On Tue, 24 Jun 2003, Matt Hyne wrote: > > Thanks, > > I found it but I wasn't sure if it could be changed between my INSERT > and the SELECT LAST..() by another instance of my application. > > I'll suck-it-and-see ! > > Matt > > [EMAIL PROTECTED] wrote: > > > 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] > > > -- -- Curtis Maurand mailto:[EMAIL PROTECTED] http://www.maurand.com -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]
