VamVan wrote:
Hello All,
We many times encounter the situations of having Queries inside loop of
another query. Many times we can solve the issue by query joins but there
will be some situations where we cannot do it.
For Example:
function Change($id){
$qry_reg = "SELECT registrationID FROM registration WHERE event_id
= '$id'";
$res_reg =& $this->mdb2->query($qry_reg);
while ($row_reg = $res_reg->fetchRow()) {
$userid = $row_reg['registrationid'];
$sql_insert = "INSERT
INTO
run
(command, event_id, created, user_id, runtime)
VALUES
('topic_change', '".$id."', NOW(), '".$userid."', NOW())";
$res_insert =& $this->mdb2->query($sql_insert);
}
}
In this example you can just use a single query:
$query = "insert into run(command, event_id, created, user_id, runtime)
select 'topic_change', registrationID, NOW(), ".(int)."$userid, NOW()
FROM registration WHERE event_id='".(int)$id."'";
--
Postgresql & php tutorials
http://www.designmagick.com/
--
PHP General Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php
