Introduce BagOStuff::keys() method for debugging/etc. purposes

diff --git a/includes/BagOStuff.php b/includes/BagOStuff.php
index a40d020..226abb3 100644 (file)
--- a/includes/BagOStuff.php
+++ b/includes/BagOStuff.php
@@ -73,6 +73,11 @@ class BagOStuff {
                return true;
        }
 
+       function keys() {
+               /* stub */
+               return array();
+       }
+
        /* *** Emulated functions *** */
        /* Better performance can likely be got with custom written versions */
        function get_multi($keys) {
@@ -202,6 +207,10 @@ class HashBagOStuff extends BagOStuff {
                unset($this->bag[$key]);
                return true;
        }
+
+       function keys() {
+               return array_keys( $this->bag );
+       }
 }
 
 /*
@@ -283,6 +292,19 @@ abstract class SqlBagOStuff extends BagOStuff {
                return true; /* ? */
        }
 
+       function keys() {
+               $res = $this->_query( "SELECT keyname FROM $0" );
+               if(!$res) {
+                       $this->_debug("keys: ** error: " . $this->_dberror($res) . " **");
+                       return array();
+               }
+               $result = array();
+               while( $row = $this->_fetchobject($res) ) {
+                       $result[] = $row->keyname;
+               }
+               return $result;
+       }
+
        function getTableName() {
                return $this->table;
        }
@@ -743,6 +765,19 @@ class DBABagOStuff extends BagOStuff {
                wfProfileOut( __METHOD__ );
                return $ret;
        }
+
+       function keys() {
+               $reader = $this->getReader();
+               $k1 = dba_firstkey( $reader );
+               if( !$k1 ) {
+                       return array();
+               }
+               $result[] = $k1;
+               while( $key = dba_nextkey( $reader ) ) {
+                       $result[] = $key;
+               }
+               return $result;
+       }
 }