better code for only inserting inboxes that don't already exist

darcs-hash:20081114074511-84dde-af2b2e5deee20bdf1ea72559411716cb756d2866.gz
This commit is contained in:
Evan Prodromou 2008-11-14 02:45:11 -05:00
parent 6b6c966369
commit 761d4eeaaf

View File

@ -50,18 +50,15 @@ $cache = common_memcache();
while ($user->fetch()) {
common_log(LOG_INFO, 'Updating inbox for user ' . $user->id);
$user->query('BEGIN');
$inbox = new Notice_inbox();
$inbox->user_id = $user->id;
$result = $inbox->delete();
if (is_null($result) || $result === false) {
common_log_db_error($inbox, 'DELETE', __FILE__);
continue;
}
$result = $inbox->query('INSERT LOW_PRIORITY INTO notice_inbox (user_id, notice_id, created) ' .
'SELECT ' . $user->id . ', notice.id, notice.created ' .
'FROM subscription JOIN notice ON subscription.subscribed = notice.profile_id ' .
'WHERE subscription.subscriber = ' . $user->id . ' ' .
'AND notice.created >= subscription.created');
'AND notice.created >= subscription.created ' .
'AND NOT EXISTS (SELECT user_id, notice_id ' .
'FROM notice_inbox ' .
'WHERE user_id = ' . $user->id . ' ' .
'AND notice_id = notice.id)');
if (is_null($result) || $result === false) {
common_log_db_error($inbox, 'INSERT', __FILE__);
continue;