$notice->query('SELECT profile_id, max(id) AS max_id ' .
'FROM notice ' .
- 'WHERE created > (now() - ' . $seconds . ') ' .
+ ((common_config('db','type') == 'pgsql') ?
+ 'WHERE extract(epoch from created) > (extract(epoch from now()) - ' . $seconds . ') ' :
+ 'WHERE created > (now() - ' . $seconds . ') ' ) .
'GROUP BY profile_id');
$updates = array();