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<!doctype html>
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Tortoise ORM 0.21.6 Documentation
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Migration
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<h1 id="migration"><span id="id1"></span>Migration<a class="headerlink" href="#migration" title="Permalink to this heading">¶</a></h1>
<p>This document describes how to use <cite>Aerich</cite> to make migrations.</p>
<p>You can see <a class="reference external" href="https://github.com/tortoise/aerich">https://github.com/tortoise/aerich</a> for more details.</p>
<h2 id="quick-start">Quick Start<a class="headerlink" href="#quick-start" title="Permalink to this heading">¶</a></h2>
<div class="highlight-shell notranslate"><div class="highlight"><pre><span></span><code>><span class="w"> </span>aerich<span class="w"> </span>-h
Usage:<span class="w"> </span>aerich<span class="w"> </span><span class="o">[</span>OPTIONS<span class="o">]</span><span class="w"> </span>COMMAND<span class="w"> </span><span class="o">[</span>ARGS<span class="o">]</span>...
Options:
<span class="w"> </span>-c,<span class="w"> </span>--config<span class="w"> </span>TEXT<span class="w"> </span>Config<span class="w"> </span>file.<span class="w"> </span><span class="o">[</span>default:<span class="w"> </span>aerich.ini<span class="o">]</span>
<span class="w"> </span>--app<span class="w"> </span>TEXT<span class="w"> </span>Tortoise-ORM<span class="w"> </span>app<span class="w"> </span>name.<span class="w"> </span><span class="o">[</span>default:<span class="w"> </span>models<span class="o">]</span>
<span class="w"> </span>-n,<span class="w"> </span>--name<span class="w"> </span>TEXT<span class="w"> </span>Name<span class="w"> </span>of<span class="w"> </span>section<span class="w"> </span><span class="k">in</span><span class="w"> </span>.ini<span class="w"> </span>file<span class="w"> </span>to<span class="w"> </span>use<span class="w"> </span><span class="k">for</span><span class="w"> </span>aerich<span class="w"> </span>config.
<span class="w"> </span><span class="o">[</span>default:<span class="w"> </span>aerich<span class="o">]</span>
<span class="w"> </span>-h,<span class="w"> </span>--help<span class="w"> </span>Show<span class="w"> </span>this<span class="w"> </span>message<span class="w"> </span>and<span class="w"> </span>exit.
Commands:
<span class="w"> </span>downgrade<span class="w"> </span>Downgrade<span class="w"> </span>to<span class="w"> </span>specified<span class="w"> </span>version.
<span class="w"> </span>heads<span class="w"> </span>Show<span class="w"> </span>current<span class="w"> </span>available<span class="w"> </span>heads<span class="w"> </span><span class="k">in</span><span class="w"> </span>migrate<span class="w"> </span>location.
<span class="w"> </span><span class="nb">history</span><span class="w"> </span>List<span class="w"> </span>all<span class="w"> </span>migrate<span class="w"> </span>items.
<span class="w"> </span>init<span class="w"> </span>Init<span class="w"> </span>config<span class="w"> </span>file<span class="w"> </span>and<span class="w"> </span>generate<span class="w"> </span>root<span class="w"> </span>migrate<span class="w"> </span>location.
<span class="w"> </span>init-db<span class="w"> </span>Generate<span class="w"> </span>schema<span class="w"> </span>and<span class="w"> </span>generate<span class="w"> </span>app<span class="w"> </span>migrate<span class="w"> </span>location.
<span class="w"> </span>migrate<span class="w"> </span>Generate<span class="w"> </span>migrate<span class="w"> </span>changes<span class="w"> </span>file.
<span class="w"> </span>upgrade<span class="w"> </span>Upgrade<span class="w"> </span>to<span class="w"> </span>latest<span class="w"> </span>version.
</code></pre></div>
</div>
<h2 id="usage">Usage<a class="headerlink" href="#usage" title="Permalink to this heading">¶</a></h2>
<p>You need add <cite>aerich.models</cite> to your <cite>Tortoise-ORM</cite> config first,
example:</p>
<div class="highlight-python3 notranslate"><div class="highlight"><pre><span></span><code><span class="n">TORTOISE_ORM</span> <span class="o">=</span> <span class="p">{</span>
<span class="s2">"connections"</span><span class="p">:</span> <span class="p">{</span><span class="s2">"default"</span><span class="p">:</span> <span class="s2">"mysql://root:123456@127.0.0.1:3306/test"</span><span class="p">},</span>
<span class="s2">"apps"</span><span class="p">:</span> <span class="p">{</span>
<span class="s2">"models"</span><span class="p">:</span> <span class="p">{</span>
<span class="s2">"models"</span><span class="p">:</span> <span class="p">[</span><span class="s2">"tests.models"</span><span class="p">,</span> <span class="s2">"aerich.models"</span><span class="p">],</span>
<span class="s2">"default_connection"</span><span class="p">:</span> <span class="s2">"default"</span><span class="p">,</span>
<span class="p">},</span>
<span class="p">},</span>
<span class="p">}</span>
</code></pre></div>
</div>
<h3 id="initialization">Initialization<a class="headerlink" href="#initialization" title="Permalink to this heading">¶</a></h3>
<div class="highlight-shell notranslate"><div class="highlight"><pre><span></span><code>><span class="w"> </span>aerich<span class="w"> </span>init<span class="w"> </span>-h
Usage:<span class="w"> </span>aerich<span class="w"> </span>init<span class="w"> </span><span class="o">[</span>OPTIONS<span class="o">]</span>
<span class="w"> </span>Init<span class="w"> </span>config<span class="w"> </span>file<span class="w"> </span>and<span class="w"> </span>generate<span class="w"> </span>root<span class="w"> </span>migrate<span class="w"> </span>location.
Options:
<span class="w"> </span>-t,<span class="w"> </span>--tortoise-orm<span class="w"> </span>TEXT<span class="w"> </span>Tortoise-ORM<span class="w"> </span>config<span class="w"> </span>module<span class="w"> </span>dict<span class="w"> </span>variable,<span class="w"> </span>like<span class="w"> </span>settings.TORTOISE_ORM.
<span class="w"> </span><span class="o">[</span>required<span class="o">]</span>
<span class="w"> </span>--location<span class="w"> </span>TEXT<span class="w"> </span>Migrate<span class="w"> </span>store<span class="w"> </span>location.<span class="w"> </span><span class="o">[</span>default:<span class="w"> </span>./migrations<span class="o">]</span>
<span class="w"> </span>-h,<span class="w"> </span>--help<span class="w"> </span>Show<span class="w"> </span>this<span class="w"> </span>message<span class="w"> </span>and<span class="w"> </span>exit.
</code></pre></div>
</div>
<p>Init config file and location:</p>
<div class="highlight-shell notranslate"><div class="highlight"><pre><span></span><code>><span class="w"> </span>aerich<span class="w"> </span>init<span class="w"> </span>-t<span class="w"> </span>tests.backends.mysql.TORTOISE_ORM
Success<span class="w"> </span>create<span class="w"> </span>migrate<span class="w"> </span>location<span class="w"> </span>./migrations
Success<span class="w"> </span>generate<span class="w"> </span>config<span class="w"> </span>file<span class="w"> </span>aerich.ini
</code></pre></div>
</div>
<h3 id="init-db">Init db<a class="headerlink" href="#init-db" title="Permalink to this heading">¶</a></h3>