In DBA caches: fixed return value when the key is missing

diff --git a/includes/BagOStuff.php b/includes/BagOStuff.php
index d172607..31d357c 100644 (file)
--- a/includes/BagOStuff.php
+++ b/includes/BagOStuff.php
@@ -576,7 +576,7 @@ class DBABagOStuff extends BagOStuff {
         */
        function decode( $blob ) {
                if ( !is_string( $blob ) ) {
-                       return array( 0, null );
+                       return array( null, 0 );
                } else {
                        return array( 
                                unserialize( substr( $blob, 11 ) ),
@@ -607,6 +607,7 @@ class DBABagOStuff extends BagOStuff {
 
        function get( $key ) {
                wfProfileIn( __METHOD__ );
+               wfDebug( __METHOD__."($key)\n" );
                $handle = $this->getReader();
                if ( !$handle ) {
                        return null;
@@ -630,6 +631,7 @@ class DBABagOStuff extends BagOStuff {
 
        function set( $key, $value, $exptime=0 ) {
                wfProfileIn( __METHOD__ );
+               wfDebug( __METHOD__."($key)\n" );
                $blob = $this->encode( $value, $exptime );
                $handle = $this->getWriter();
                if ( !$handle ) {