function getTags()
{
- if (common_config('db', 'type') == 'pgsql') {
- $weightexpr='sum(exp(-extract(epoch from (now() - notice_tag.created)) / %s))';
- } else {
- $weightexpr='sum(exp(-(now() - notice_tag.created) / %s))';
- }
-
- $qry = 'SELECT notice_tag.tag, '.
+ $weightexpr = common_sql_weight('notice_tag.created', common_config('tag', 'dropoff'));
+
+ $qry = 'SELECT notice_tag.tag, '.
$weightexpr . ' as weight ' .
'FROM notice_tag JOIN notice ' .
'ON notice_tag.notice_id = notice.id ' .
$tag = Memcached_DataObject::cachedQuery('Notice_tag',
sprintf($qry,
- common_config('tag', 'dropoff'),
$this->user->id),
3600);
return $tag;