fixed problem with select in transactions

classes/adapter.php

@@ -393,6 +393,13 @@ public abstract function quote_string($string);
      */
     public abstract function escape_string($str);
 
+    /**
+     * Close the result set and it's cursors
+     *
+     * @param $res
+     */
+    public abstract function res_close($res);
+
     /**
      * Returns a complete result set as array
      */

classes/adapter_null.php

@@ -61,7 +61,17 @@ public function escape_string($str) {
          return $str;
      }
 
-     /**
+    /**
+     * Close the result set and it's cursors
+     *
+     * @param $res
+     * @return bool
+     */
+    public function res_close($res) {
+        return true;
+    }
+
+    /**
       * Returns a complete result set as array
       */
      public function res2arr($res, $assoc = true) {

classes/adapter_pdosqlite.php

@@ -89,13 +89,23 @@ public function executeQuery($sql) {
 
         if(!$res) {
             $err = $this->db->errorInfo();
-            msg($err[2].':<br /><pre>'.hsc($sql).'</pre>', -1);
+            msg($err[0].' '.$err[1].' '.$err[2].':<br /><pre>'.hsc($sql).'</pre>', -1);
             return false;
         }
 
         return $res;
     }
 
+    /**
+     * Close the result set and it's cursors
+     *
+     * @param PDOStatement $res
+     * @return bool
+     */
+    public function res_close($res) {
+        return $res->closeCursor();
+    }
+
     /**
      * Returns a complete result set as array
      */

classes/adapter_sqlite2.php

@@ -78,6 +78,16 @@ public function executeQuery($sql) {
         return $res;
     }
 
+    /**
+     * Close the result set and it's cursors
+     *
+     * @param $res
+     * @return bool
+     */
+    public function res_close($res) {
+        return true; //seems not to be needed in sqlite2?
+    }
+
     /**
      * Returns a complete result set as array
      */

helper.php

@@ -448,6 +448,19 @@ public function escape_string($str) {
         return $this->adapter->escape_string($str);
     }
 
+    /**
+     * Closes the result set (and it's cursors)
+     *
+     * If you're doing SELECT queries inside a TRANSACTION, be sure to call this
+     * function on all your results sets, before COMMITing the transaction.
+     *
+     * @param $res
+     * @return bool
+     */
+    public function res_close($res){
+        return $this->adapter->res_close($res);
+    }
+
     /**
      * Returns a complete result set as array
      */

plugin.info.txt

@@ -1,7 +1,7 @@
 base   sqlite
 author Andreas Gohr
 email  gohr@cosmocode.de
-date   2013-05-06
+date   2013-05-08
 name   sqlite plugin
 desc   A helper plugin to easily access a SQLite database
 url    http://www.dokuwiki.org/plugin:sqlite