SqlBagOStuff: document public method deleteAll()

Change-Id: I23700714453b6243e564642f2bad4a2d1c2469c6

diff --git a/includes/objectcache/SqlBagOStuff.php b/includes/objectcache/SqlBagOStuff.php
index 5872079..3b0f816 100644 (file)
--- a/includes/objectcache/SqlBagOStuff.php
+++ b/includes/objectcache/SqlBagOStuff.php
@@ -638,6 +638,11 @@ class SqlBagOStuff extends BagOStuff {
                return true;
        }
 
+       /**
+        * Delete content of shard tables in every server.
+        * Return true if the operation is successful, false otherwise.
+        * @return bool
+        */
        public function deleteAll() {
                for ( $serverIndex = 0; $serverIndex < $this->numServers; $serverIndex++ ) {
                        try {