Kill some duplicated queries by also caching negative results in wasDeletedSinceLastEdit

diff --git a/includes/EditPage.php b/includes/EditPage.php
index 3f7ef96..8c04326 100644 (file)
--- a/includes/EditPage.php
+++ b/includes/EditPage.php
@@ -49,7 +49,7 @@ class EditPage {
        var $isCssJsSubpage = false;
        var $isCssSubpage = false;
        var $isJsSubpage = false;
-       var $deletedSinceEdit = false;
+       var $deletedSinceEdit;
        var $formtype;
        var $firsttime;
        var $lastDelete;
@@ -260,8 +260,12 @@ class EditPage {
         * deletes.
         */
        protected function wasDeletedSinceLastEdit() {
-               if ( $this->deletedSinceEdit )
-                       return true;
+               if ( $this->deletedSinceEdit !== null ) {
+                       return $this->deletedSinceEdit;
+               }
+
+               $this->deletedSinceEdit = false;
+
                if ( $this->mTitle->isDeletedQuick() ) {
                        $this->lastDelete = $this->getLastDelete();
                        if ( $this->lastDelete ) {
@@ -271,6 +275,7 @@ class EditPage {
                                }
                        }
                }
+
                return $this->deletedSinceEdit;
        }