https://elated-raman-42e0c2.netlify.app/tags/sqlalchemy/Recent content in Sqlalchemy on Sawyer Zheng's BlogHugozh-cnMon, 24 Feb 2025 12:42:11 +0800https://elated-raman-42e0c2.netlify.app/post/notes/python/alembic/Mon, 12 Aug 2024 00:00:00 +0000https://elated-raman-42e0c2.netlify.app/post/notes/python/alembic/<div id="outline-container-headline-1" class="outline-2"> <h2 id="headline-1"> 常用命令 </h2> <div id="outline-text-headline-1" class="outline-text-2"> <ol> <li> <p>初始化</p> <pre class="example"> alembic init </pre> </li> <li> <p>查看版本</p> <pre class="example"> alembic history </pre> </li> <li> <p>切换版本</p> <ul> <li> <p>升级 upgrade</p> <pre class="example"> alembic upgrade &lt;commit-name&gt; </pre> </li> <li> <p>降级 downgrade</p> <pre class="example"> alembic downgrade &lt;commit-name&gt; </pre> </li> </ul> </li> <li> <p>查看现在的版本</p> <pre class="example"> alembic current </pre> </li> <li> <p>生成 sql: <code>--sql</code> 参数</p> <pre class="example"> alembic upgrade head --sql </pre> <p>注意：这样不会在数据库中直接执行迁移操作</p> </li> </ol> </div> </div> <div id="outline-container-headline-2" class="outline-2"> <h2 id="headline-2"> 流程示例 </h2> <div id="outline-text-headline-2" class="outline-text-2"> <div id="outline-container-headline-3" class="outline-3"> <h3 id="headline-3"> 创建 almebic commit(version) 方法 </h3> <div id="outline-text-headline-3" class="outline-text-3"> <ol> <li>编写自己的新版本 models 代码</li> <li> <p>创建版本</p>