text: /**
   * Copyright 2009 Google Inc.
   * 
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   * 
   *      http://www.apache.org/licenses/LICENSE-2.0
   * 
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS-IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  import("sqlbase.sqlcommon");
  import("sqlbase.sqlobj");
  
  function run() {
    // allow null values in passwordHash
    if (sqlcommon.isDerby()) {
      sqlobj.alterColumn('pro_users', 'passwordHash', 'NULL');
    } else {
      sqlobj.modifyColumn('pro_users', 'passwordHash', 'text');
    }
    sqlobj.addColumns('pro_users', {
      tempPassHash: 'text'
    });
  }
  
  
  
  