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Expand Up @@ -1265,13 +1265,13 @@ <h2 id="instalando-o-alembic-e-criando-a-primeira-migracao">Instalando o Alembic
</span><span id="__span-14-6"><a id="__codelineno-14-6" name="__codelineno-14-6" href="#__codelineno-14-6"></a>│ ├── app.py
</span><span id="__span-14-7"><a id="__codelineno-14-7" name="__codelineno-14-7" href="#__codelineno-14-7"></a>│ ├── models.py
</span><span id="__span-14-8"><a id="__codelineno-14-8" name="__codelineno-14-8" href="#__codelineno-14-8"></a>│ ├── schemas.py
</span><span id="__span-14-9"><a id="__codelineno-14-9" name="__codelineno-14-9" href="#__codelineno-14-9"></a><span class="hll">│ └── settings.py
</span></span><span id="__span-14-10"><a id="__codelineno-14-10" name="__codelineno-14-10" href="#__codelineno-14-10"></a><span class="hll">├── migrations
</span><span id="__span-14-9"><a id="__codelineno-14-9" name="__codelineno-14-9" href="#__codelineno-14-9"></a>│ └── settings.py
</span><span id="__span-14-10"><a id="__codelineno-14-10" name="__codelineno-14-10" href="#__codelineno-14-10"></a><span class="hll">├── migrations
</span></span><span id="__span-14-11"><a id="__codelineno-14-11" name="__codelineno-14-11" href="#__codelineno-14-11"></a><span class="hll">│ ├── env.py
</span></span><span id="__span-14-12"><a id="__codelineno-14-12" name="__codelineno-14-12" href="#__codelineno-14-12"></a><span class="hll">│ ├── README
</span></span><span id="__span-14-13"><a id="__codelineno-14-13" name="__codelineno-14-13" href="#__codelineno-14-13"></a><span class="hll">│ ├── script.py.mako
</span></span><span id="__span-14-14"><a id="__codelineno-14-14" name="__codelineno-14-14" href="#__codelineno-14-14"></a>│ └── versions
</span><span id="__span-14-15"><a id="__codelineno-14-15" name="__codelineno-14-15" href="#__codelineno-14-15"></a>├── poetry.lock
</span></span><span id="__span-14-14"><a id="__codelineno-14-14" name="__codelineno-14-14" href="#__codelineno-14-14"></a><span class="hll">│ └── versions
</span></span><span id="__span-14-15"><a id="__codelineno-14-15" name="__codelineno-14-15" href="#__codelineno-14-15"></a>├── poetry.lock
</span><span id="__span-14-16"><a id="__codelineno-14-16" name="__codelineno-14-16" href="#__codelineno-14-16"></a>├── pyproject.toml
</span><span id="__span-14-17"><a id="__codelineno-14-17" name="__codelineno-14-17" href="#__codelineno-14-17"></a>├── README.md
</span><span id="__span-14-18"><a id="__codelineno-14-18" name="__codelineno-14-18" href="#__codelineno-14-18"></a>└── tests
Expand Down Expand Up @@ -1361,61 +1361,60 @@ <h2 id="analisando-a-migracao-automatica">Analisando a migração automática</h
</span></code></pre></div>
<div class="language-shell highlight"><span class="filename">Mac</span><pre><span></span><code><span id="__span-20-1"><a id="__codelineno-20-1" name="__codelineno-20-1" href="#__codelineno-20-1"></a>brew<span class="w"> </span>install<span class="w"> </span>sqlite
</span></code></pre></div>
<ul>
<li>Para usuários Windows, ver o endereço <a href="https://sqlite.org/download.html" target="_blank">SQLite Downloads</a></li>
</ul>
<div class="language-shell highlight"><span class="filename">Windows</span><pre><span></span><code><span id="__span-21-1"><a id="__codelineno-21-1" name="__codelineno-21-1" href="#__codelineno-21-1"></a>winget<span class="w"> </span>install<span class="w"> </span>--id<span class="w"> </span>SQLite.SQLite
</span></code></pre></div>
</details>
<div class="language-shell highlight"><span class="filename">$ Execução no terminal!</span><pre><span></span><code><span id="__span-21-1"><a id="__codelineno-21-1" name="__codelineno-21-1" href="#__codelineno-21-1"></a>sqlite3<span class="w"> </span>database.db
<div class="language-shell highlight"><span class="filename">$ Execução no terminal!</span><pre><span></span><code><span id="__span-22-1"><a id="__codelineno-22-1" name="__codelineno-22-1" href="#__codelineno-22-1"></a>sqlite3<span class="w"> </span>database.db
</span></code></pre></div>
<div class="language-console no-copy highlight"><pre><span></span><code><span id="__span-22-1"><a id="__codelineno-22-1" name="__codelineno-22-1" href="#__codelineno-22-1"></a><span class="go">SQLite version 3.42.0 2023-05-16 12:36:15</span>
</span><span id="__span-22-2"><a id="__codelineno-22-2" name="__codelineno-22-2" href="#__codelineno-22-2"></a><span class="go">Enter ".help" for usage hints.</span>
</span><span id="__span-22-3"><a id="__codelineno-22-3" name="__codelineno-22-3" href="#__codelineno-22-3"></a><span class="go">sqlite&gt; .schema</span>
</span><span id="__span-22-4"><a id="__codelineno-22-4" name="__codelineno-22-4" href="#__codelineno-22-4"></a><span class="go">CREATE TABLE alembic_version (</span>
</span><span id="__span-22-5"><a id="__codelineno-22-5" name="__codelineno-22-5" href="#__codelineno-22-5"></a><span class="go"> version_num VARCHAR(32) NOT NULL,</span>
</span><span id="__span-22-6"><a id="__codelineno-22-6" name="__codelineno-22-6" href="#__codelineno-22-6"></a><span class="go"> CONSTRAINT alembic_version_pkc PRIMARY KEY (version_num)</span>
</span><span id="__span-22-7"><a id="__codelineno-22-7" name="__codelineno-22-7" href="#__codelineno-22-7"></a><span class="go">);</span>
</span><span id="__span-22-8"><a id="__codelineno-22-8" name="__codelineno-22-8" href="#__codelineno-22-8"></a><span class="go">sqlite&gt; .exit</span>
<div class="language-console no-copy highlight"><pre><span></span><code><span id="__span-23-1"><a id="__codelineno-23-1" name="__codelineno-23-1" href="#__codelineno-23-1"></a><span class="go">SQLite version 3.42.0 2023-05-16 12:36:15</span>
</span><span id="__span-23-2"><a id="__codelineno-23-2" name="__codelineno-23-2" href="#__codelineno-23-2"></a><span class="go">Enter ".help" for usage hints.</span>
</span><span id="__span-23-3"><a id="__codelineno-23-3" name="__codelineno-23-3" href="#__codelineno-23-3"></a><span class="go">sqlite&gt; .schema</span>
</span><span id="__span-23-4"><a id="__codelineno-23-4" name="__codelineno-23-4" href="#__codelineno-23-4"></a><span class="go">CREATE TABLE alembic_version (</span>
</span><span id="__span-23-5"><a id="__codelineno-23-5" name="__codelineno-23-5" href="#__codelineno-23-5"></a><span class="go"> version_num VARCHAR(32) NOT NULL,</span>
</span><span id="__span-23-6"><a id="__codelineno-23-6" name="__codelineno-23-6" href="#__codelineno-23-6"></a><span class="go"> CONSTRAINT alembic_version_pkc PRIMARY KEY (version_num)</span>
</span><span id="__span-23-7"><a id="__codelineno-23-7" name="__codelineno-23-7" href="#__codelineno-23-7"></a><span class="go">);</span>
</span><span id="__span-23-8"><a id="__codelineno-23-8" name="__codelineno-23-8" href="#__codelineno-23-8"></a><span class="go">sqlite&gt; .exit</span>
</span></code></pre></div>
<p>Para aplicar as migrações, usamos o comando <code>upgrade</code> do CLI Alembic. O argumento <code>head</code> indica que queremos aplicar todas as migrações que ainda não foram aplicadas:</p>
<div class="language-shell highlight"><span class="filename">$ Execução no terminal!</span><pre><span></span><code><span id="__span-23-1"><a id="__codelineno-23-1" name="__codelineno-23-1" href="#__codelineno-23-1"></a>alembic<span class="w"> </span>upgrade<span class="w"> </span>head
<div class="language-shell highlight"><span class="filename">$ Execução no terminal!</span><pre><span></span><code><span id="__span-24-1"><a id="__codelineno-24-1" name="__codelineno-24-1" href="#__codelineno-24-1"></a>alembic<span class="w"> </span>upgrade<span class="w"> </span>head
</span></code></pre></div>
<div class="language-console no-copy highlight"><pre><span></span><code><span id="__span-24-1"><a id="__codelineno-24-1" name="__codelineno-24-1" href="#__codelineno-24-1"></a><span class="go">INFO [alembic.runtime.migration] Context impl SQLiteImpl.</span>
</span><span id="__span-24-2"><a id="__codelineno-24-2" name="__codelineno-24-2" href="#__codelineno-24-2"></a><span class="go">INFO [alembic.runtime.migration] Will assume non-transactional DDL.</span>
</span><span id="__span-24-3"><a id="__codelineno-24-3" name="__codelineno-24-3" href="#__codelineno-24-3"></a><span class="go">INFO [alembic.runtime.migration] Running upgrade -&gt; e018397cecf4, create users table</span>
<div class="language-console no-copy highlight"><pre><span></span><code><span id="__span-25-1"><a id="__codelineno-25-1" name="__codelineno-25-1" href="#__codelineno-25-1"></a><span class="go">INFO [alembic.runtime.migration] Context impl SQLiteImpl.</span>
</span><span id="__span-25-2"><a id="__codelineno-25-2" name="__codelineno-25-2" href="#__codelineno-25-2"></a><span class="go">INFO [alembic.runtime.migration] Will assume non-transactional DDL.</span>
</span><span id="__span-25-3"><a id="__codelineno-25-3" name="__codelineno-25-3" href="#__codelineno-25-3"></a><span class="go">INFO [alembic.runtime.migration] Running upgrade -&gt; e018397cecf4, create users table</span>
</span></code></pre></div>
<p>Agora, se examinarmos nosso banco de dados novamente, veremos que a tabela users foi criada:</p>
<div class="language-shell highlight"><span class="filename">$ Execução no terminal!</span><pre><span></span><code><span id="__span-25-1"><a id="__codelineno-25-1" name="__codelineno-25-1" href="#__codelineno-25-1"></a>sqlite3<span class="w"> </span>database.db
<div class="language-shell highlight"><span class="filename">$ Execução no terminal!</span><pre><span></span><code><span id="__span-26-1"><a id="__codelineno-26-1" name="__codelineno-26-1" href="#__codelineno-26-1"></a>sqlite3<span class="w"> </span>database.db
</span></code></pre></div>
<div class="language-console no-copy highlight"><pre><span></span><code><span id="__span-26-1"><a id="__codelineno-26-1" name="__codelineno-26-1" href="#__codelineno-26-1"></a><span class="go">SQLite version 3.42.0 2023-05-16 12:36:15</span>
</span><span id="__span-26-2"><a id="__codelineno-26-2" name="__codelineno-26-2" href="#__codelineno-26-2"></a><span class="go">Enter ".help" for usage hints.</span>
</span><span id="__span-26-3"><a id="__codelineno-26-3" name="__codelineno-26-3" href="#__codelineno-26-3"></a><span class="go">sqlite&gt; .schema</span>
</span><span id="__span-26-4"><a id="__codelineno-26-4" name="__codelineno-26-4" href="#__codelineno-26-4"></a><span class="go">CREATE TABLE alembic_version (</span>
</span><span id="__span-26-5"><a id="__codelineno-26-5" name="__codelineno-26-5" href="#__codelineno-26-5"></a><span class="go"> version_num VARCHAR(32) NOT NULL,</span>
</span><span id="__span-26-6"><a id="__codelineno-26-6" name="__codelineno-26-6" href="#__codelineno-26-6"></a><span class="go"> CONSTRAINT alembic_version_pkc PRIMARY KEY (version_num)</span>
</span><span id="__span-26-7"><a id="__codelineno-26-7" name="__codelineno-26-7" href="#__codelineno-26-7"></a><span class="go">);</span>
</span><span id="__span-26-8"><a id="__codelineno-26-8" name="__codelineno-26-8" href="#__codelineno-26-8"></a><span class="go">CREATE TABLE users (</span>
</span><span id="__span-26-9"><a id="__codelineno-26-9" name="__codelineno-26-9" href="#__codelineno-26-9"></a><span class="go"> id INTEGER NOT NULL,</span>
</span><span id="__span-26-10"><a id="__codelineno-26-10" name="__codelineno-26-10" href="#__codelineno-26-10"></a><span class="go"> username VARCHAR NOT NULL,</span>
</span><span id="__span-26-11"><a id="__codelineno-26-11" name="__codelineno-26-11" href="#__codelineno-26-11"></a><span class="go"> password VARCHAR NOT NULL,</span>
</span><span id="__span-26-12"><a id="__codelineno-26-12" name="__codelineno-26-12" href="#__codelineno-26-12"></a><span class="go"> email VARCHAR NOT NULL,</span>
</span><span id="__span-26-13"><a id="__codelineno-26-13" name="__codelineno-26-13" href="#__codelineno-26-13"></a><span class="go"> PRIMARY KEY (id)</span>
</span><span id="__span-26-14"><a id="__codelineno-26-14" name="__codelineno-26-14" href="#__codelineno-26-14"></a><span class="go">);</span>
</span><span id="__span-26-15"><a id="__codelineno-26-15" name="__codelineno-26-15" href="#__codelineno-26-15"></a><span class="go">sqlite&gt; .exit</span>
<div class="language-console no-copy highlight"><pre><span></span><code><span id="__span-27-1"><a id="__codelineno-27-1" name="__codelineno-27-1" href="#__codelineno-27-1"></a><span class="go">SQLite version 3.42.0 2023-05-16 12:36:15</span>
</span><span id="__span-27-2"><a id="__codelineno-27-2" name="__codelineno-27-2" href="#__codelineno-27-2"></a><span class="go">Enter ".help" for usage hints.</span>
</span><span id="__span-27-3"><a id="__codelineno-27-3" name="__codelineno-27-3" href="#__codelineno-27-3"></a><span class="go">sqlite&gt; .schema</span>
</span><span id="__span-27-4"><a id="__codelineno-27-4" name="__codelineno-27-4" href="#__codelineno-27-4"></a><span class="go">CREATE TABLE alembic_version (</span>
</span><span id="__span-27-5"><a id="__codelineno-27-5" name="__codelineno-27-5" href="#__codelineno-27-5"></a><span class="go"> version_num VARCHAR(32) NOT NULL,</span>
</span><span id="__span-27-6"><a id="__codelineno-27-6" name="__codelineno-27-6" href="#__codelineno-27-6"></a><span class="go"> CONSTRAINT alembic_version_pkc PRIMARY KEY (version_num)</span>
</span><span id="__span-27-7"><a id="__codelineno-27-7" name="__codelineno-27-7" href="#__codelineno-27-7"></a><span class="go">);</span>
</span><span id="__span-27-8"><a id="__codelineno-27-8" name="__codelineno-27-8" href="#__codelineno-27-8"></a><span class="go">CREATE TABLE users (</span>
</span><span id="__span-27-9"><a id="__codelineno-27-9" name="__codelineno-27-9" href="#__codelineno-27-9"></a><span class="go"> id INTEGER NOT NULL,</span>
</span><span id="__span-27-10"><a id="__codelineno-27-10" name="__codelineno-27-10" href="#__codelineno-27-10"></a><span class="go"> username VARCHAR NOT NULL,</span>
</span><span id="__span-27-11"><a id="__codelineno-27-11" name="__codelineno-27-11" href="#__codelineno-27-11"></a><span class="go"> password VARCHAR NOT NULL,</span>
</span><span id="__span-27-12"><a id="__codelineno-27-12" name="__codelineno-27-12" href="#__codelineno-27-12"></a><span class="go"> email VARCHAR NOT NULL,</span>
</span><span id="__span-27-13"><a id="__codelineno-27-13" name="__codelineno-27-13" href="#__codelineno-27-13"></a><span class="go"> PRIMARY KEY (id)</span>
</span><span id="__span-27-14"><a id="__codelineno-27-14" name="__codelineno-27-14" href="#__codelineno-27-14"></a><span class="go">);</span>
</span><span id="__span-27-15"><a id="__codelineno-27-15" name="__codelineno-27-15" href="#__codelineno-27-15"></a><span class="go">sqlite&gt; .exit</span>
</span></code></pre></div>
<p>Finalmente, lembre-se de que todas essas mudanças que fizemos só existem localmente no seu ambiente de trabalho até agora. Para que sejam compartilhadas com outras pessoas, precisamos fazer commit dessas mudanças no nosso sistema de controle de versão.</p>
<h2 id="commit">Commit</h2>
<p>Primeiro, verificaremos o status do nosso repositório para ver as mudanças que fizemos:</p>
<div class="language-shell highlight"><span class="filename">$ Execução no terminal!</span><pre><span></span><code><span id="__span-27-1"><a id="__codelineno-27-1" name="__codelineno-27-1" href="#__codelineno-27-1"></a>git<span class="w"> </span>status
<div class="language-shell highlight"><span class="filename">$ Execução no terminal!</span><pre><span></span><code><span id="__span-28-1"><a id="__codelineno-28-1" name="__codelineno-28-1" href="#__codelineno-28-1"></a>git<span class="w"> </span>status
</span></code></pre></div>
<p>Você verá uma lista de arquivos modificados ou adicionados. As alterações devem incluir os arquivos de migração que criamos, bem como quaisquer alterações que fizemos em nossos arquivos de modelo e configuração.</p>
<p>Em seguida, adicionaremos todas as mudanças ao próximo commit:</p>
<div class="language-shell highlight"><span class="filename">$ Execução no terminal!</span><pre><span></span><code><span id="__span-28-1"><a id="__codelineno-28-1" name="__codelineno-28-1" href="#__codelineno-28-1"></a>git<span class="w"> </span>add<span class="w"> </span>.
<div class="language-shell highlight"><span class="filename">$ Execução no terminal!</span><pre><span></span><code><span id="__span-29-1"><a id="__codelineno-29-1" name="__codelineno-29-1" href="#__codelineno-29-1"></a>git<span class="w"> </span>add<span class="w"> </span>.
</span></code></pre></div>
<p>Agora, estamos prontos para fazer o commit das nossas alterações. Escreveremos uma mensagem de commit que descreve as mudanças que fizemos:</p>
<div class="language-shell highlight"><span class="filename">$ Execução no terminal!</span><pre><span></span><code><span id="__span-29-1"><a id="__codelineno-29-1" name="__codelineno-29-1" href="#__codelineno-29-1"></a>git<span class="w"> </span>commit<span class="w"> </span>-m<span class="w"> </span><span class="s2">"Adicionada a primeira migração com Alembic. Criada tabela de usuários."</span>
<div class="language-shell highlight"><span class="filename">$ Execução no terminal!</span><pre><span></span><code><span id="__span-30-1"><a id="__codelineno-30-1" name="__codelineno-30-1" href="#__codelineno-30-1"></a>git<span class="w"> </span>commit<span class="w"> </span>-m<span class="w"> </span><span class="s2">"Adicionada a primeira migração com Alembic. Criada tabela de usuários."</span>
</span></code></pre></div>
<p>Finalmente, enviaremos as mudanças para o repositório remoto:</p>
<div class="language-shell highlight"><span class="filename">$ Execução no terminal!</span><pre><span></span><code><span id="__span-30-1"><a id="__codelineno-30-1" name="__codelineno-30-1" href="#__codelineno-30-1"></a>git<span class="w"> </span>push
<div class="language-shell highlight"><span class="filename">$ Execução no terminal!</span><pre><span></span><code><span id="__span-31-1"><a id="__codelineno-31-1" name="__codelineno-31-1" href="#__codelineno-31-1"></a>git<span class="w"> </span>push
</span></code></pre></div>
<p>E pronto! As mudanças que fizemos foram salvas no histórico do Git e agora estão disponíveis no git.</p>
<h2 id="conclusao">Conclusão</h2>
Expand Down Expand Up @@ -1443,7 +1442,7 @@ <h2 id="conclusao">Conclusão</h2>
<span class="md-icon" title="Última atualização">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M21 13.1c-.1 0-.3.1-.4.2l-1 1 2.1 2.1 1-1c.2-.2.2-.6 0-.8l-1.3-1.3c-.1-.1-.2-.2-.4-.2m-1.9 1.8-6.1 6V23h2.1l6.1-6.1-2.1-2M12.5 7v5.2l4 2.4-1 1L11 13V7h1.5M11 21.9c-5.1-.5-9-4.8-9-9.9C2 6.5 6.5 2 12 2c5.3 0 9.6 4.1 10 9.3-.3-.1-.6-.2-1-.2s-.7.1-1 .2C19.6 7.2 16.2 4 12 4c-4.4 0-8 3.6-8 8 0 4.1 3.1 7.5 7.1 7.9l-.1.2v1.8Z"/></svg>
</span>
<span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">January 17, 2024</span>
<span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">February 5, 2024</span>
</span>


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