text: --
  -- Copyright 2021 Apollo Authors
  --
  -- 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.
  --
  # delta schema to upgrade apollo config db from v1.8.0 to v1.9.0
  
  Use ApolloConfigDB;
  
  ALTER TABLE `App`
      MODIFY COLUMN `DataChange_CreatedBy` VARCHAR(64) NOT NULL DEFAULT 'default' COMMENT '创建人邮箱前缀',
      MODIFY COLUMN `DataChange_LastModifiedBy` VARCHAR(64) DEFAULT '' COMMENT '最后修改人邮箱前缀';
  
  ALTER TABLE `AppNamespace`
      MODIFY COLUMN `DataChange_CreatedBy` VARCHAR(64) NOT NULL DEFAULT 'default' COMMENT '创建人邮箱前缀',
      MODIFY COLUMN `DataChange_LastModifiedBy` VARCHAR(64) DEFAULT '' COMMENT '最后修改人邮箱前缀';
  
  ALTER TABLE `Audit`
      MODIFY COLUMN `DataChange_CreatedBy` VARCHAR(64) NOT NULL DEFAULT 'default' COMMENT '创建人邮箱前缀',
      MODIFY COLUMN `DataChange_LastModifiedBy` VARCHAR(64) DEFAULT '' COMMENT '最后修改人邮箱前缀';
  
  ALTER TABLE `Cluster`
      MODIFY COLUMN `DataChange_CreatedBy` VARCHAR(64) NOT NULL DEFAULT 'default' COMMENT '创建人邮箱前缀',
      MODIFY COLUMN `DataChange_LastModifiedBy` VARCHAR(64) DEFAULT '' COMMENT '最后修改人邮箱前缀';
  
  ALTER TABLE `Commit`
      MODIFY COLUMN `DataChange_CreatedBy` VARCHAR(64) NOT NULL DEFAULT 'default' COMMENT '创建人邮箱前缀',
      MODIFY COLUMN `DataChange_LastModifiedBy` VARCHAR(64) DEFAULT '' COMMENT '最后修改人邮箱前缀';
  
  ALTER TABLE `GrayReleaseRule`
      MODIFY COLUMN `DataChange_CreatedBy` VARCHAR(64) NOT NULL DEFAULT 'default' COMMENT '创建人邮箱前缀',
      MODIFY COLUMN `DataChange_LastModifiedBy` VARCHAR(64) DEFAULT '' COMMENT '最后修改人邮箱前缀';
  
  ALTER TABLE `Item`
      MODIFY COLUMN `DataChange_CreatedBy` VARCHAR(64) NOT NULL DEFAULT 'default' COMMENT '创建人邮箱前缀',
      MODIFY COLUMN `DataChange_LastModifiedBy` VARCHAR(64) DEFAULT '' COMMENT '最后修改人邮箱前缀';
  
  ALTER TABLE `Namespace`
      MODIFY COLUMN `DataChange_CreatedBy` VARCHAR(64) NOT NULL DEFAULT 'default' COMMENT '创建人邮箱前缀',
      MODIFY COLUMN `DataChange_LastModifiedBy` VARCHAR(64) DEFAULT '' COMMENT '最后修改人邮箱前缀';
  
  ALTER TABLE `NamespaceLock`
      MODIFY COLUMN `DataChange_CreatedBy` VARCHAR(64) NOT NULL DEFAULT 'default' COMMENT '创建人邮箱前缀',
      MODIFY COLUMN `DataChange_LastModifiedBy` VARCHAR(64) DEFAULT '' COMMENT '最后修改人邮箱前缀';
  
  ALTER TABLE `Release`
      MODIFY COLUMN `DataChange_CreatedBy` VARCHAR(64) NOT NULL DEFAULT 'default' COMMENT '创建人邮箱前缀',
      MODIFY COLUMN `DataChange_LastModifiedBy` VARCHAR(64) DEFAULT '' COMMENT '最后修改人邮箱前缀';
  
  ALTER TABLE `ReleaseHistory`
      MODIFY COLUMN `DataChange_CreatedBy` VARCHAR(64) NOT NULL DEFAULT 'default' COMMENT '创建人邮箱前缀',
      MODIFY COLUMN `DataChange_LastModifiedBy` VARCHAR(64) DEFAULT '' COMMENT '最后修改人邮箱前缀';
  
  ALTER TABLE `ServerConfig`
      MODIFY COLUMN `DataChange_CreatedBy` VARCHAR(64) NOT NULL DEFAULT 'default' COMMENT '创建人邮箱前缀',
      MODIFY COLUMN `DataChange_LastModifiedBy` VARCHAR(64) DEFAULT '' COMMENT '最后修改人邮箱前缀';
  
  ALTER TABLE `AccessKey`
      MODIFY COLUMN `DataChange_CreatedBy` VARCHAR(64) NOT NULL DEFAULT 'default' COMMENT '创建人邮箱前缀',
      MODIFY COLUMN `DataChange_LastModifiedBy` VARCHAR(64) DEFAULT '' COMMENT '最后修改人邮箱前缀';
  