http://www.php.net/manual/en/function.mysql-insert-id.php David Chamberlin wrote:
Hey,
Most of the tables I use identify things using an id which is auto-generated using autoincrement. However I can't seem to figure out a good way to find what value was generated for the ID.
For example, let's say I generate a new entry and want to e-mail out a link to it and the link identifies the entry by ID. Currently, the only way I can figure to do this is to first do the INSERT and then do a SELECT on some unique information that I just inserted (e.g., submitter's ID and last-modified date). So for example, I would have:
function addNewEntry( $stuffToPutIn ){
$sql = "INSERT INTO myTable $stuffToPutIn";
// I use pearDB with mysql
$result = $this->db->query( $sql );
checkDbResult( $result );
$sql = "SELECT id FROM myTable WHERE ".
"(last_modified_by = $userId) AND ".
"(last_modified_time = $currentTime)";
$result = $this->db->getAll( $sql );
checkDbResult( $result );
$entry = $result[0];
$linkAddress = $baseEntryURL.'?entryId='.$entry->id;
mailOutLink( $linkAddress );
}
What I'd really like to do is get rid of that SELECT or at least make it less "hacky" to find out what the id was that got autogenerated.
Any ideas?
Thanks,
Dave
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