Stuart Felenstein wrote:
But - I want to confirm, am I still using transactions even though I'm issuing individual query calls for each insert.
Yes, that's the idea. Everthing between BEGIN and COMMIT/ROLLBACK is the transaction.
In this line (from the second insert) VALUES (null, LAST_INSERT_ID(), ......)";
The LAST_INSERT_ID works great here, getting the auto-inc from the first insert, but will it work in subsequent insertions to other tables.
I ask because in the second insert (shown), the
LAST_INSERT_ID, gets the value from the first table,
but the second table (second insert) also has an
auto-inc column. So I'm thinking then the third
insert will get the LAST_INSERT_ID from table 2 / 2nd
Yes, that's what will happen. LAST_INSERT_ID() picks up the last auto_increment number created.
Perhaps I need to declare it the first time as a value (app code) or add "where" conditions to all the subsequent insertions ?
You can get the auto_increment number using mysql_insert_id(), save it in a variable and then use that in subsequent queries.
$query1 = "INSERT INTO ... "; $id = mysql_insert_id();
$query2 = "INSERT INTO (id,...) VALUES ($id,...)";
$query3 = "INSERT INTO (id,...) VALUES ($id,...)"; etc...
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