X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=classes%2FUser_im_prefs.php;h=75be8969e05d7e3da8a25b6de180f1d371c03a78;hb=9182481edd5d7aa4a9f23a3c624046f168518116;hp=8ecdfe9fab74494d3e29ea1a7069066de872ebce;hpb=39392e03a71d94d6b984033b994b417edfc2d8d6;p=quix0rs-gnu-social.git

diff --git a/classes/User_im_prefs.php b/classes/User_im_prefs.php
index 8ecdfe9fab..75be8969e0 100644
--- a/classes/User_im_prefs.php
+++ b/classes/User_im_prefs.php
@@ -68,4 +68,27 @@ class User_im_prefs extends Memcached_DataObject
     {
         return array(false,false);
     }
+
+    /**
+     * We have two compound keys with unique constraints:
+     * (transport, user_id) which is our primary key, and
+     * (transport, screenname) which is an additional constraint.
+     * 
+     * Currently there's not a way to represent that second key
+     * in the general keys list, so we're adding it here to the
+     * list of keys to use for caching, ensuring that it gets
+     * cleared as well when we change.
+     * 
+     * @return array of cache keys
+     */
+    function _allCacheKeys()
+    {
+        $ukeys = 'transport,screenname';
+        $uvals = $this->transport . ',' . $this->screenname;
+
+        $ckeys = parent::_allCacheKeys();
+        $ckeys[] = $this->cacheKey($this->tableName(), $ukeys, $uvals);
+        return $ckeys;
+    }
+
 }