1 files changed, 7 insertions, 1 deletions
diff --git a/actions/favorited.php b/actions/favorited.php
index fd5ff413c..5082f4a4e 100644
--- a/actions/favorited.php
+++ b/actions/favorited.php
@@ -169,8 +169,14 @@ class FavoritedAction extends Action
 
     function showContent()
     {
+        if (common_config('db', 'type') == 'pgsql') {
+            $weightexpr='sum(exp(-extract(epoch from (now() - fave.modified)) / %s))';
+        } else {
+            $weightexpr='sum(exp(-(now() - fave.modified) / %s))';
+        }
+
         $qry = 'SELECT notice.*, '.
-          'sum(exp(-(now() - fave.modified) / %s)) as weight ' .
+          $weightexpr . ' as weight ' .
           'FROM notice JOIN fave ON notice.id = fave.notice_id ' .
           'GROUP BY fave.notice_id ' .
           'ORDER BY weight DESC';