Added the ability to delete stat records for a player ID

git-svn-id: svn+ssh://src.earth.threerings.net/vilya/trunk@261 c613c5cb-e716-0410-b11b-feb51c14d237

src/java/com/threerings/stats/server/persist/StatRepository.java

@@ -93,6 +93,15 @@ public class StatRepository extends SimpleRepository
         return stats;
     }
 
+    /**
+     * Deletes all stats associated with the specified player.
+     */
+    public void deleteStats (int playerId)
+        throws PersistenceException
+    {
+        update("delete from STATS where PLAYER_ID = " + playerId);
+    }
+
     /**
      * Writes out any of the stats in the supplied array that have been modified since they were
      * first loaded. Exceptions that occur while writing the stats will be caught and logged.