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HTML
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<a href="https://postgrest.postgresql.ac.cn/en/v12/index.html" class="icon icon-home">
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PostgREST 12.2
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</a>
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<div role="search">
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<form id="rtd-search-form" class="wy-form" action="https://postgrest.postgresql.ac.cn/en/v12/search.html" method="get">
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<p class="caption" role="heading"><span class="caption-text">教程</span></p>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/tutorials/tut0.html">教程 0 - 启动运行</a></li>
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<li class="toctree-l1"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/tutorials/tut1.html">教程 1 - 金钥匙</a></li>
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</ul>
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<p class="caption" role="heading"><span class="caption-text">参考</span></p>
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<ul class="current" aria-expanded="true">
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<li class="toctree-l1"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/auth.html">身份验证</a></li>
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<li class="toctree-l1"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/api.html">API</a></li>
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<li class="toctree-l1"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/cli.html">CLI</a></li>
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<li class="toctree-l1"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/transactions.html">事务</a></li>
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<li class="toctree-l1"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/connection_pool.html">连接池</a></li>
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<li class="toctree-l1"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/schema_cache.html">模式缓存</a></li>
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<li class="toctree-l1 current" aria-expanded="true"><a class="reference internal current" href="https://postgrest.postgresql.ac.cn/en/v12/references/errors.html#" aria-expanded="true"><button class="toctree-expand" title="Open/close menu"></button>错误</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/errors.html#errors-from-postgresql"><button class="toctree-expand" title="Open/close menu"></button>来自 PostgreSQL 的错误</a><ul>
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||
<li class="toctree-l3"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/errors.html#http-status-codes">HTTP 状态码</a></li>
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</ul>
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</li>
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<li class="toctree-l2"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/errors.html#errors-from-postgrest"><button class="toctree-expand" title="Open/close menu"></button>来自 PostgREST 的错误</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/errors.html#postgrest-error-codes"><button class="toctree-expand" title="Open/close menu"></button>PostgREST 错误代码</a><ul>
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||
<li class="toctree-l4"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/errors.html#group-0-connection">组 0 - 连接</a></li>
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||
<li class="toctree-l4"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/errors.html#group-1-api-request">组 1 - API 请求</a></li>
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<li class="toctree-l4"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/errors.html#group-2-schema-cache">组 2 - 模式缓存</a></li>
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||
<li class="toctree-l4"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/errors.html#group-3-jwt">组 3 - JWT</a></li>
|
||
<li class="toctree-l4"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/errors.html#group-x-internal">组 X - 内部</a></li>
|
||
</ul>
|
||
</li>
|
||
</ul>
|
||
</li>
|
||
<li class="toctree-l2"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/errors.html#custom-errors"><button class="toctree-expand" title="Open/close menu"></button>自定义错误</a><ul>
|
||
<li class="toctree-l3"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/errors.html#raise-errors-with-http-status-codes">使用 HTTP 状态码 RAISE 错误</a></li>
|
||
<li class="toctree-l3"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/errors.html#add-http-headers-with-raise">使用 RAISE 添加 HTTP 头</a></li>
|
||
</ul>
|
||
</li>
|
||
</ul>
|
||
</li>
|
||
<li class="toctree-l1"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/configuration.html">配置</a></li>
|
||
<li class="toctree-l1"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/observability.html">可观测性</a></li>
|
||
<li class="toctree-l1"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/admin_server.html">管理服务器</a></li>
|
||
<li class="toctree-l1"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/listener.html">监听器</a></li>
|
||
</ul>
|
||
<p class="caption" role="heading"><span class="caption-text">解释</span></p>
|
||
<ul>
|
||
<li class="toctree-l1"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/explanations/architecture.html">架构</a></li>
|
||
<li class="toctree-l1"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/explanations/db_authz.html">数据库授权</a></li>
|
||
<li class="toctree-l1"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/explanations/install.html">安装</a></li>
|
||
<li class="toctree-l1"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/explanations/nginx.html">Nginx</a></li>
|
||
<li class="toctree-l1"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/explanations/schema_isolation.html">模式隔离</a></li>
|
||
</ul>
|
||
<p class="caption" role="heading"><span class="caption-text">操作指南</span></p>
|
||
<ul>
|
||
<li class="toctree-l1"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/how-tos/sql-user-management.html">SQL 用户管理</a></li>
|
||
<li class="toctree-l1"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/how-tos/sql-user-management-using-postgres-users-and-passwords.html">使用 postgres 的用户和密码进行 SQL 用户管理</a></li>
|
||
<li class="toctree-l1"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/how-tos/working-with-postgresql-data-types.html">使用 PostgreSQL 数据类型</a></li>
|
||
<li class="toctree-l1"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/how-tos/create-soap-endpoint.html">创建 SOAP 端点</a></li>
|
||
<li class="toctree-l1"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/how-tos/providing-html-content-using-htmx.html">使用 Htmx 提供 HTML 内容</a></li>
|
||
<li class="toctree-l1"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/how-tos/providing-images-for-img.html">为 <code class="docutils literal notranslate"><span class="pre"><img></span></code> 提供图像</a></li>
|
||
</ul>
|
||
<p class="caption" role="heading"><span class="caption-text">集成</span></p>
|
||
<ul>
|
||
<li class="toctree-l1"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/integrations/greenplum.html">Greenplum</a></li>
|
||
<li class="toctree-l1"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/integrations/jwt_gen.html">外部 JWT 生成</a></li>
|
||
<li class="toctree-l1"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/integrations/pg-safeupdate.html">pg-safeupdate</a></li>
|
||
<li class="toctree-l1"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/integrations/systemd.html">systemd</a></li>
|
||
</ul>
|
||
<p class="caption" role="heading"><span class="caption-text">生态系统</span></p>
|
||
<ul>
|
||
<li class="toctree-l1"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/ecosystem.html">社区教程</a></li>
|
||
<li class="toctree-l1"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/ecosystem.html#templates">模板</a></li>
|
||
<li class="toctree-l1"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/ecosystem.html#example-apps">示例应用程序</a></li>
|
||
<li class="toctree-l1"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/ecosystem.html#devops">DevOps</a></li>
|
||
<li class="toctree-l1"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/ecosystem.html#external-notification">外部通知</a></li>
|
||
<li class="toctree-l1"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/ecosystem.html#extensions">扩展</a></li>
|
||
<li class="toctree-l1"><a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/ecosystem.html#client-side-libraries">客户端库</a></li>
|
||
</ul>
|
||
|
||
</div>
|
||
</div>
|
||
</nav>
|
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|
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<section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu">
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<i data-toggle="wy-nav-top" class="fa fa-bars"></i> <a href="https://postgrest.postgresql.ac.cn/en/v12/index.html">PostgREST 12.2</a>
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</nav>
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<div class="wy-nav-content">
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<div class="rst-content">
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<div role="navigation" aria-label="Page navigation">
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<ul class="wy-breadcrumbs">
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<li><a href="https://postgrest.postgresql.ac.cn/en/v12/index.html" class="icon icon-home" aria-label="Home"></a></li>
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<li class="breadcrumb-item active">错误</li>
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<li class="wy-breadcrumbs-aside">
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<a href="https://github.com/postgrest/postgrest/blob/v12/docs/references/errors.rst" class="fa fa-github"> 在 GitHub 上编辑</a>
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</li>
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</ul>
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<hr>
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</div>
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<div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
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<div itemprop="articleBody">
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<section id="errors">
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<span id="error-source"></span><h1>错误<a class="headerlink" href="https://postgrest.postgresql.ac.cn/en/v12/references/errors.html#errors" title="Link to this heading"></a></h1>
|
||
<p>PostgREST 错误消息遵循 PostgreSQL 错误结构。它包括 <code class="docutils literal notranslate"><span class="pre">MESSAGE</span></code>、<code class="docutils literal notranslate"><span class="pre">DETAIL</span></code>、<code class="docutils literal notranslate"><span class="pre">HINT</span></code>、<code class="docutils literal notranslate"><span class="pre">ERRCODE</span></code>，并将向响应添加 HTTP 状态码。</p>
|
||
<section id="errors-from-postgresql">
|
||
<h2>来自 PostgreSQL 的错误<a class="headerlink" href="https://postgrest.postgresql.ac.cn/en/v12/references/errors.html#errors-from-postgresql" title="Link to this heading"></a></h2>
|
||
<p>PostgREST 将转发来自 PostgreSQL 的错误。例如，在约束失败时</p>
|
||
<div class="highlight-http notranslate"><div class="highlight"><pre id="codecell0"><span></span><span class="nf">POST</span> <span class="nn">/projects</span> <span class="kr">HTTP</span><span class="o">/</span><span class="m">1.1</span>
|
||
</pre><button class="copybtn o-tooltip--left" data-tooltip="Copy" data-clipboard-target="#codecell0">
|
||
<svg xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-copy" width="44" height="44" viewBox="0 0 24 24" stroke-width="1.5" stroke="#000000" fill="none" stroke-linecap="round" stroke-linejoin="round">
|
||
<title>Copy to clipboard</title>
|
||
<path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
|
||
<rect x="8" y="8" width="12" height="12" rx="2"></rect>
|
||
<path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2"></path>
|
||
</svg>
|
||
</button></div>
|
||
</div>
|
||
<div class="highlight-http notranslate"><div class="highlight"><pre id="codecell1"><span></span><span class="kr">HTTP</span><span class="o">/</span><span class="m">1.1</span> <span class="m">400</span> <span class="ne">Bad Request</span>
|
||
<span class="na">Content-Type</span><span class="o">:</span> <span class="l">application/json; charset=utf-8</span>
|
||
</pre><button class="copybtn o-tooltip--left" data-tooltip="Copy" data-clipboard-target="#codecell1">
|
||
<svg xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-copy" width="44" height="44" viewBox="0 0 24 24" stroke-width="1.5" stroke="#000000" fill="none" stroke-linecap="round" stroke-linejoin="round">
|
||
<title>Copy to clipboard</title>
|
||
<path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
|
||
<rect x="8" y="8" width="12" height="12" rx="2"></rect>
|
||
<path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2"></path>
|
||
</svg>
|
||
</button></div>
|
||
</div>
|
||
<div class="highlight-json notranslate"><div class="highlight"><pre id="codecell2"><span></span><span class="p">{</span>
|
||
<span class="w"> </span><span class="nt">"code"</span><span class="p">:</span><span class="w"> </span><span class="s2">"23502"</span><span class="p">,</span>
|
||
<span class="w"> </span><span class="nt">"details"</span><span class="p">:</span><span class="w"> </span><span class="s2">"Failing row contains (null, foo, null)."</span><span class="p">,</span>
|
||
<span class="w"> </span><span class="nt">"hint"</span><span class="p">:</span><span class="w"> </span><span class="kc">null</span><span class="p">,</span>
|
||
<span class="w"> </span><span class="nt">"message"</span><span class="p">:</span><span class="w"> </span><span class="s2">"null value in column \"id\" of relation \"projects\" violates not-null constraint"</span>
|
||
<span class="p">}</span>
|
||
</pre><button class="copybtn o-tooltip--left" data-tooltip="Copy" data-clipboard-target="#codecell2">
|
||
<svg xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-copy" width="44" height="44" viewBox="0 0 24 24" stroke-width="1.5" stroke="#000000" fill="none" stroke-linecap="round" stroke-linejoin="round">
|
||
<title>Copy to clipboard</title>
|
||
<path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
|
||
<rect x="8" y="8" width="12" height="12" rx="2"></rect>
|
||
<path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2"></path>
|
||
</svg>
|
||
</button></div>
|
||
</div>
|
||
<section id="http-status-codes">
|
||
<span id="status-codes"></span><h3>HTTP 状态码<a class="headerlink" href="https://postgrest.postgresql.ac.cn/en/v12/references/errors.html#http-status-codes" title="Link to this heading"></a></h3>
|
||
<p>PostgREST 将 <a class="reference external" href="https://postgresql.ac.cn/docs/current/errcodes-appendix.html">PostgreSQL 错误代码</a> 转换为 HTTP 状态，如下所示</p>
|
||
<div class="wy-table-responsive"><table class="docutils align-default">
|
||
<thead>
|
||
<tr class="row-odd"><th class="head"><p>PostgreSQL 错误代码</p></th>
|
||
<th class="head"><p>HTTP 状态</p></th>
|
||
<th class="head"><p>错误描述</p></th>
|
||
</tr>
|
||
</thead>
|
||
<tbody>
|
||
<tr class="row-even"><td><p>08*</p></td>
|
||
<td><p>503</p></td>
|
||
<td><p>pg 连接错误</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><p>09*</p></td>
|
||
<td><p>500</p></td>
|
||
<td><p>触发操作异常</p></td>
|
||
</tr>
|
||
<tr class="row-even"><td><p>0L*</p></td>
|
||
<td><p>403</p></td>
|
||
<td><p>无效授予者</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><p>0P*</p></td>
|
||
<td><p>403</p></td>
|
||
<td><p>无效角色规范</p></td>
|
||
</tr>
|
||
<tr class="row-even"><td><p>23503</p></td>
|
||
<td><p>409</p></td>
|
||
<td><p>外键冲突</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><p>23505</p></td>
|
||
<td><p>409</p></td>
|
||
<td><p>唯一性冲突</p></td>
|
||
</tr>
|
||
<tr class="row-even"><td><p>25006</p></td>
|
||
<td><p>405</p></td>
|
||
<td><p>只读 SQL 事务</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><p>25*</p></td>
|
||
<td><p>500</p></td>
|
||
<td><p>无效的事务状态</p></td>
|
||
</tr>
|
||
<tr class="row-even"><td><p>28*</p></td>
|
||
<td><p>403</p></td>
|
||
<td><p>无效的授权规范</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><p>2D*</p></td>
|
||
<td><p>500</p></td>
|
||
<td><p>无效的事务终止</p></td>
|
||
</tr>
|
||
<tr class="row-even"><td><p>38*</p></td>
|
||
<td><p>500</p></td>
|
||
<td><p>外部例程异常</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><p>39*</p></td>
|
||
<td><p>500</p></td>
|
||
<td><p>外部例程调用</p></td>
|
||
</tr>
|
||
<tr class="row-even"><td><p>3B*</p></td>
|
||
<td><p>500</p></td>
|
||
<td><p>保存点异常</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><p>40*</p></td>
|
||
<td><p>500</p></td>
|
||
<td><p>事务回滚</p></td>
|
||
</tr>
|
||
<tr class="row-even"><td><p>53400</p></td>
|
||
<td><p>500</p></td>
|
||
<td><p>配置限制超出</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><p>53*</p></td>
|
||
<td><p>503</p></td>
|
||
<td><p>资源不足</p></td>
|
||
</tr>
|
||
<tr class="row-even"><td><p>54*</p></td>
|
||
<td><p>500</p></td>
|
||
<td><p>过于复杂</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><p>55*</p></td>
|
||
<td><p>500</p></td>
|
||
<td><p>对象不在先决条件状态</p></td>
|
||
</tr>
|
||
<tr class="row-even"><td><p>57*</p></td>
|
||
<td><p>500</p></td>
|
||
<td><p>操作员干预</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><p>58*</p></td>
|
||
<td><p>500</p></td>
|
||
<td><p>系统错误</p></td>
|
||
</tr>
|
||
<tr class="row-even"><td><p>F0*</p></td>
|
||
<td><p>500</p></td>
|
||
<td><p>配置文件错误</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><p>HV*</p></td>
|
||
<td><p>500</p></td>
|
||
<td><p>外部数据包装器错误</p></td>
|
||
</tr>
|
||
<tr class="row-even"><td><p>P0001</p></td>
|
||
<td><p>400</p></td>
|
||
<td><p>“raise”的默认代码</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><p>P0*</p></td>
|
||
<td><p>500</p></td>
|
||
<td><p>PL/pgSQL 错误</p></td>
|
||
</tr>
|
||
<tr class="row-even"><td><p>XX*</p></td>
|
||
<td><p>500</p></td>
|
||
<td><p>内部错误</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><p>42883</p></td>
|
||
<td><p>404</p></td>
|
||
<td><p>未定义函数</p></td>
|
||
</tr>
|
||
<tr class="row-even"><td><p>42P01</p></td>
|
||
<td><p>404</p></td>
|
||
<td><p>未定义表</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><p>42P17</p></td>
|
||
<td><p>500</p></td>
|
||
<td><p>无限递归</p></td>
|
||
</tr>
|
||
<tr class="row-even"><td><p>42501</p></td>
|
||
<td><div class="line-block">
|
||
<div class="line">如果已认证，则返回 403，</div>
|
||
<div class="line">否则返回 401</div>
|
||
</div>
|
||
</td>
|
||
<td><p>权限不足</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><p>其他</p></td>
|
||
<td><p>400</p></td>
|
||
<td></td>
|
||
</tr>
|
||
</tbody>
|
||
</table></div>
|
||
</section>
|
||
</section>
|
||
<section id="errors-from-postgrest">
|
||
<h2>来自 PostgREST 的错误<a class="headerlink" href="https://postgrest.postgresql.ac.cn/en/v12/references/errors.html#errors-from-postgrest" title="Link to this heading"></a></h2>
|
||
<p>来自 PostgREST 本身的错误保持相同的结构，但在 <code class="docutils literal notranslate"><span class="pre">code</span></code> 字段中使用 <code class="docutils literal notranslate"><span class="pre">PGRST</span></code> 前缀。例如，当查询在 <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/schema_cache.html"><span class="doc">schema 缓存</span></a> 中不存在的函数时</p>
|
||
<div class="highlight-http notranslate"><div class="highlight"><pre id="codecell3"><span></span><span class="nf">POST</span> <span class="nn">/rpc/nonexistent_function</span> <span class="kr">HTTP</span><span class="o">/</span><span class="m">1.1</span>
|
||
</pre><button class="copybtn o-tooltip--left" data-tooltip="Copy" data-clipboard-target="#codecell3">
|
||
<svg xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-copy" width="44" height="44" viewBox="0 0 24 24" stroke-width="1.5" stroke="#000000" fill="none" stroke-linecap="round" stroke-linejoin="round">
|
||
<title>Copy to clipboard</title>
|
||
<path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
|
||
<rect x="8" y="8" width="12" height="12" rx="2"></rect>
|
||
<path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2"></path>
|
||
</svg>
|
||
</button></div>
|
||
</div>
|
||
<div class="highlight-http notranslate"><div class="highlight"><pre id="codecell4"><span></span><span class="kr">HTTP</span><span class="o">/</span><span class="m">1.1</span> <span class="m">404</span> <span class="ne">Not Found</span>
|
||
<span class="na">Content-Type</span><span class="o">:</span> <span class="l">application/json; charset=utf-8</span>
|
||
</pre><button class="copybtn o-tooltip--left" data-tooltip="Copy" data-clipboard-target="#codecell4">
|
||
<svg xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-copy" width="44" height="44" viewBox="0 0 24 24" stroke-width="1.5" stroke="#000000" fill="none" stroke-linecap="round" stroke-linejoin="round">
|
||
<title>Copy to clipboard</title>
|
||
<path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
|
||
<rect x="8" y="8" width="12" height="12" rx="2"></rect>
|
||
<path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2"></path>
|
||
</svg>
|
||
</button></div>
|
||
</div>
|
||
<div class="highlight-json notranslate"><div class="highlight"><pre id="codecell5"><span></span><span class="p">{</span>
|
||
<span class="w"> </span><span class="nt">"hint"</span><span class="p">:</span><span class="w"> </span><span class="s2">"..."</span><span class="p">,</span>
|
||
<span class="w"> </span><span class="nt">"details"</span><span class="p">:</span><span class="w"> </span><span class="kc">null</span>
|
||
<span class="w"> </span><span class="nt">"code"</span><span class="p">:</span><span class="w"> </span><span class="s2">"PGRST202"</span><span class="p">,</span>
|
||
<span class="w"> </span><span class="nt">"message"</span><span class="p">:</span><span class="w"> </span><span class="s2">"Could not find the api.nonexistent_function() function in the schema cache"</span>
|
||
<span class="p">}</span>
|
||
</pre><button class="copybtn o-tooltip--left" data-tooltip="Copy" data-clipboard-target="#codecell5">
|
||
<svg xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-copy" width="44" height="44" viewBox="0 0 24 24" stroke-width="1.5" stroke="#000000" fill="none" stroke-linecap="round" stroke-linejoin="round">
|
||
<title>Copy to clipboard</title>
|
||
<path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
|
||
<rect x="8" y="8" width="12" height="12" rx="2"></rect>
|
||
<path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2"></path>
|
||
</svg>
|
||
</button></div>
|
||
</div>
|
||
<section id="postgrest-error-codes">
|
||
<span id="pgrst-errors"></span><h3>PostgREST 错误代码<a class="headerlink" href="https://postgrest.postgresql.ac.cn/en/v12/references/errors.html#postgrest-error-codes" title="Link to this heading"></a></h3>
|
||
<p>PostgREST 错误代码的格式为 <code class="docutils literal notranslate"><span class="pre">PGRSTgxx</span></code>。</p>
|
||
<ul class="simple">
|
||
<li><p><code class="docutils literal notranslate"><span class="pre">PGRST</span></code> 是区分错误与 PostgreSQL 错误的前缀。</p></li>
|
||
<li><p><code class="docutils literal notranslate"><span class="pre">g</span></code> 是错误组</p></li>
|
||
<li><p><code class="docutils literal notranslate"><span class="pre">xx</span></code> 是组中的错误标识符。</p></li>
|
||
</ul>
|
||
<section id="group-0-connection">
|
||
<span id="pgrst0"></span><h4>组 0 - 连接<a class="headerlink" href="https://postgrest.postgresql.ac.cn/en/v12/references/errors.html#group-0-connection" title="Link to this heading"></a></h4>
|
||
<p>与数据库的连接相关。</p>
|
||
<div class="wy-table-responsive"><table class="docutils align-default">
|
||
<thead>
|
||
<tr class="row-odd"><th class="head"><p>代码</p></th>
|
||
<th class="head"><p>HTTP 状态</p></th>
|
||
<th class="head"><p>描述</p></th>
|
||
</tr>
|
||
</thead>
|
||
<tbody>
|
||
<tr class="row-even"><td><p id="pgrst000">PGRST000</p>
|
||
</td>
|
||
<td><p>503</p></td>
|
||
<td><p>由于 <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/configuration.html#db-uri"><span class="std std-ref">db-uri</span></a> 不正确或 PostgreSQL 服务未运行，无法连接到数据库。</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><p id="pgrst001">PGRST001</p>
|
||
</td>
|
||
<td><p>503</p></td>
|
||
<td><p>由于内部错误，无法连接到数据库。</p></td>
|
||
</tr>
|
||
<tr class="row-even"><td><p id="pgrst002">PGRST002</p>
|
||
</td>
|
||
<td><p>503</p></td>
|
||
<td><p>在构建 <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/schema_cache.html"><span class="doc">Schema Cache</span></a> 时无法连接到数据库，因为 PostgreSQL 服务未运行。</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><p id="pgrst003">PGRST003</p>
|
||
</td>
|
||
<td><p>504</p></td>
|
||
<td><p>请求在等待连接池可用时超时。请参阅 <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/configuration.html#db-pool-acquisition-timeout"><span class="std std-ref">db-pool-acquisition-timeout</span></a>。</p></td>
|
||
</tr>
|
||
</tbody>
|
||
</table></div>
|
||
</section>
|
||
<section id="group-1-api-request">
|
||
<span id="pgrst1"></span><h4>组 1 - API 请求<a class="headerlink" href="https://postgrest.postgresql.ac.cn/en/v12/references/errors.html#group-1-api-request" title="Link to this heading"></a></h4>
|
||
<p>与 HTTP 请求元素相关。</p>
|
||
<div class="wy-table-responsive"><table class="docutils align-default">
|
||
<thead>
|
||
<tr class="row-odd"><th class="head"><p>代码</p></th>
|
||
<th class="head"><p>HTTP 状态</p></th>
|
||
<th class="head"><p>描述</p></th>
|
||
</tr>
|
||
</thead>
|
||
<tbody>
|
||
<tr class="row-even"><td><p id="pgrst100">PGRST100</p>
|
||
</td>
|
||
<td><p>400</p></td>
|
||
<td><p>查询字符串参数解析错误。请参阅 <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/api/tables_views.html#h-filter"><span class="std std-ref">水平过滤</span></a>、<a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/api/tables_views.html#operators"><span class="std std-ref">运算符</span></a> 和 <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/api/tables_views.html#ordering"><span class="std std-ref">排序</span></a>。</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><p id="pgrst101">PGRST101</p>
|
||
</td>
|
||
<td><p>405</p></td>
|
||
<td><p>对于 <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/api/functions.html#functions"><span class="std std-ref">函数</span></a>，只允许使用 <code class="docutils literal notranslate"><span class="pre">GET</span></code> 和 <code class="docutils literal notranslate"><span class="pre">POST</span></code> 动词。任何其他动词都会抛出此错误。</p></td>
|
||
</tr>
|
||
<tr class="row-even"><td><p id="pgrst102">PGRST102</p>
|
||
</td>
|
||
<td><p>400</p></td>
|
||
<td><p>发送了无效的请求主体（例如空主体或格式错误的 JSON）。</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><p id="pgrst103">PGRST103</p>
|
||
</td>
|
||
<td><p>416</p></td>
|
||
<td><p>为 <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/api/pagination_count.html#limits"><span class="std std-ref">限制和分页</span></a> 指定了无效的范围。</p></td>
|
||
</tr>
|
||
<tr class="row-even"><td><p id="pgrst105">PGRST105</p>
|
||
</td>
|
||
<td><p>405</p></td>
|
||
<td><p>执行了无效的 <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/api/tables_views.html#upsert-put"><span class="std std-ref">PUT</span></a> 请求。</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><p id="pgrst106">PGRST106</p>
|
||
</td>
|
||
<td><p>406</p></td>
|
||
<td><p>在 <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/api/schemas.html#multiple-schemas"><span class="std std-ref">切换模式</span></a> 时指定的模式不存在于 <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/configuration.html#db-schemas"><span class="std std-ref">db-schemas</span></a> 配置变量中。</p></td>
|
||
</tr>
|
||
<tr class="row-even"><td><p id="pgrst107">PGRST107</p>
|
||
</td>
|
||
<td><p>415</p></td>
|
||
<td><p>请求中发送的 <code class="docutils literal notranslate"><span class="pre">Content-Type</span></code> 无效。</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><p id="pgrst108">PGRST108</p>
|
||
</td>
|
||
<td><p>400</p></td>
|
||
<td><p>过滤器应用于未在查询字符串的 <code class="docutils literal notranslate"><span class="pre">select</span></code> 部分中指定的嵌入式资源。请参阅 <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/api/resource_embedding.html#embed-filters"><span class="std std-ref">嵌入式过滤器</span></a>。</p></td>
|
||
</tr>
|
||
<tr class="row-even"><td><p id="pgrst109">PGRST109</p>
|
||
</td>
|
||
<td><p>400</p></td>
|
||
<td><p>使用限制来限制删除或更新必须包含唯一列的排序。请参阅 <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/api/tables_views.html#limited-update-delete"><span class="std std-ref">限制更新/删除</span></a>。</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><p id="pgrst110">PGRST110</p>
|
||
</td>
|
||
<td><p>400</p></td>
|
||
<td><p>当使用限制来限制删除或更新时，修改的行数超过限制中指定的最大值。请参阅 <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/api/tables_views.html#limited-update-delete"><span class="std std-ref">限制更新/删除</span></a>。</p></td>
|
||
</tr>
|
||
<tr class="row-even"><td><p id="pgrst111">PGRST111</p>
|
||
</td>
|
||
<td><p>500</p></td>
|
||
<td><p>设置了无效的 <code class="docutils literal notranslate"><span class="pre">response.headers</span></code>。请参阅 <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/transactions.html#guc-resp-hdrs"><span class="std std-ref">响应头</span></a>。</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><p id="pgrst112">PGRST112</p>
|
||
</td>
|
||
<td><p>500</p></td>
|
||
<td><p>状态代码必须是正整数。请参阅 <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/transactions.html#guc-resp-status"><span class="std std-ref">响应状态代码</span></a>。</p></td>
|
||
</tr>
|
||
<tr class="row-even"><td><p id="pgrst114">PGRST114</p>
|
||
</td>
|
||
<td><p>400</p></td>
|
||
<td><p>对于使用 PUT 的 <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/api/tables_views.html#upsert-put"><span class="std std-ref">UPSERT</span></a>，当使用 <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/api/pagination_count.html#limits"><span class="std std-ref">限制和偏移量</span></a> 时。</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><p id="pgrst115">PGRST115</p>
|
||
</td>
|
||
<td><p>400</p></td>
|
||
<td><p>对于使用 PUT 的 <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/api/tables_views.html#upsert-put"><span class="std std-ref">UPSERT</span></a>，当查询字符串中的主键与主体中的主键不同时。</p></td>
|
||
</tr>
|
||
<tr class="row-even"><td><p id="pgrst116">PGRST116</p>
|
||
</td>
|
||
<td><p>406</p></td>
|
||
<td><p>在请求单个响应时，返回了多个或没有项目。请参阅 <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/api/resource_representation.html#singular-plural"><span class="std std-ref">单数或复数</span></a>。</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><p id="pgrst117">PGRST117</p>
|
||
</td>
|
||
<td><p>405</p></td>
|
||
<td><p>请求中使用的 HTTP 动词不受支持。</p></td>
|
||
</tr>
|
||
<tr class="row-even"><td><p id="pgrst118">PGRST118</p>
|
||
</td>
|
||
<td><p>400</p></td>
|
||
<td><p>无法使用相关表对结果进行排序，因为它们之间没有多对一或一对一关系。</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><p id="pgrst119">PGRST119</p>
|
||
</td>
|
||
<td><p>400</p></td>
|
||
<td><p>无法在相关表上使用扩展运算符，因为它们之间没有多对一或一对一关系。</p></td>
|
||
</tr>
|
||
<tr class="row-even"><td><p id="pgrst120">PGRST120</p>
|
||
</td>
|
||
<td><p>400</p></td>
|
||
<td><p>嵌入式资源只能使用 <code class="docutils literal notranslate"><span class="pre">is.null</span></code> 或 <code class="docutils literal notranslate"><span class="pre">not.is.null</span></code> <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/api/tables_views.html#operators"><span class="std std-ref">运算符</span></a> 进行过滤。</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><p id="pgrst121">PGRST121</p>
|
||
</td>
|
||
<td><p>500</p></td>
|
||
<td><p>PostgREST 无法解析 RAISE <code class="docutils literal notranslate"><span class="pre">PGRST</span></code> 错误中的 JSON 对象。请参阅 <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/errors.html#raise-headers"><span class="std std-ref">raise 标头</span></a>。</p></td>
|
||
</tr>
|
||
<tr class="row-even"><td><p id="pgrst122">PGRST122</p>
|
||
</td>
|
||
<td><p>400</p></td>
|
||
<td><p>在 <code class="docutils literal notranslate"><span class="pre">Prefer</span></code> 标头中发现无效的偏好设置，其中 <code class="docutils literal notranslate"><span class="pre">Prefer:</span> <span class="pre">handling=strict</span></code>。请参阅 <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/api/preferences.html#prefer-handling"><span class="std std-ref">严格或宽松处理</span></a>。</p></td>
|
||
</tr>
|
||
</tbody>
|
||
</table></div>
|
||
</section>
|
||
<section id="group-2-schema-cache">
|
||
<span id="pgrst2"></span><h4>第 2 组 - 架构缓存<a class="headerlink" href="https://postgrest.postgresql.ac.cn/en/v12/references/errors.html#group-2-schema-cache" title="Link to this heading"></a></h4>
|
||
<p>与 <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/schema_cache.html#schema-cache"><span class="std std-ref">架构缓存</span></a> 相关。大多数情况下，这些错误可以通过 <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/schema_cache.html#schema-reloading"><span class="std std-ref">架构缓存重新加载</span></a> 解决。</p>
|
||
<div class="wy-table-responsive"><table class="docutils align-default">
|
||
<thead>
|
||
<tr class="row-odd"><th class="head"><p>代码</p></th>
|
||
<th class="head"><p>HTTP 状态</p></th>
|
||
<th class="head"><p>描述</p></th>
|
||
</tr>
|
||
</thead>
|
||
<tbody>
|
||
<tr class="row-even"><td><p id="pgrst200">PGRST200</p>
|
||
</td>
|
||
<td><p>400</p></td>
|
||
<td><p>由过时的外键关系引起，否则任何嵌入式资源或关系本身可能不存在于数据库中。</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><p id="pgrst201">PGRST201</p>
|
||
</td>
|
||
<td><p>300</p></td>
|
||
<td><p>发出了不明确的嵌入请求。请参阅 <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/api/resource_embedding.html#complex-rels"><span class="std std-ref">多个外键关系上的外键连接</span></a>。</p></td>
|
||
</tr>
|
||
<tr class="row-even"><td><p id="pgrst202">PGRST202</p>
|
||
</td>
|
||
<td><p>404</p></td>
|
||
<td><p>由过时的函数签名引起，否则该函数可能不存在于数据库中。</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><p id="pgrst203">PGRST203</p>
|
||
</td>
|
||
<td><p>300</p></td>
|
||
<td><p>由于请求具有相同参数名称但类型不同的重载函数，或使用 <code class="docutils literal notranslate"><span class="pre">POST</span></code> 动词请求具有 <code class="docutils literal notranslate"><span class="pre">JSON</span></code> 或 <code class="docutils literal notranslate"><span class="pre">JSONB</span></code> 类型未命名参数的重载函数而导致。解决方法是重命名函数或添加/修改参数名称。</p></td>
|
||
</tr>
|
||
<tr class="row-even"><td><p id="pgrst204">PGRST204</p>
|
||
</td>
|
||
<td><p>400</p></td>
|
||
<td><p>当 <code class="docutils literal notranslate"><span class="pre">columns</span></code> 查询参数中指定的 <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/api/tables_views.html#specify-columns"><span class="std std-ref">列</span></a> 未找到时导致。</p></td>
|
||
</tr>
|
||
</tbody>
|
||
</table></div>
|
||
</section>
|
||
<section id="group-3-jwt">
|
||
<span id="pgrst3"></span><h4>第 3 组 - JWT<a class="headerlink" href="https://postgrest.postgresql.ac.cn/en/v12/references/errors.html#group-3-jwt" title="Link to this heading"></a></h4>
|
||
<p>与使用 JWT 进行身份验证过程相关。您可以参考 <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/tutorials/tut1.html#tut1"><span class="std std-ref">教程 1 - 金钥匙</span></a> 获取有关如何实现身份验证的示例，以及 <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/auth.html"><span class="doc">身份验证页面</span></a> 获取有关此过程的更多信息。</p>
|
||
<div class="wy-table-responsive"><table class="docutils align-default">
|
||
<thead>
|
||
<tr class="row-odd"><th class="head"><p>代码</p></th>
|
||
<th class="head"><p>HTTP 状态</p></th>
|
||
<th class="head"><p>描述</p></th>
|
||
</tr>
|
||
</thead>
|
||
<tbody>
|
||
<tr class="row-even"><td><p id="pgrst300">PGRST300</p>
|
||
</td>
|
||
<td><p>500</p></td>
|
||
<td><p>配置中缺少 <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/configuration.html#jwt-secret"><span class="std std-ref">JWT 密钥</span></a>。</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><p id="pgrst301">PGRST301</p>
|
||
</td>
|
||
<td><p>401</p></td>
|
||
<td><p>与 JWT 验证相关的任何错误，这意味着提供的 JWT 在某种程度上无效。</p></td>
|
||
</tr>
|
||
<tr class="row-even"><td><p id="pgrst302">PGRST302</p>
|
||
</td>
|
||
<td><p>401</p></td>
|
||
<td><p>尝试在 <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/configuration.html#db-anon-role"><span class="std std-ref">db-anon-role</span></a> 中未设置匿名角色的情况下，在未进行 <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/auth.html#client-auth"><span class="std std-ref">身份验证</span></a> 的情况下进行请求。</p></td>
|
||
</tr>
|
||
</tbody>
|
||
</table></div>
|
||
</section>
|
||
<section id="group-x-internal">
|
||
<span id="pgrst-x"></span><h4>第 X 组 - 内部<a class="headerlink" href="https://postgrest.postgresql.ac.cn/en/v12/references/errors.html#group-x-internal" title="Link to this heading"></a></h4>
|
||
<p>内部错误。如果您遇到任何这些错误，您可能遇到了 PostgREST 错误，请 <a class="reference external" href="https://github.com/PostgREST/postgrest/issues">打开一个问题</a>，我们将很乐意修复它。</p>
|
||
<div class="wy-table-responsive"><table class="docutils align-default">
|
||
<thead>
|
||
<tr class="row-odd"><th class="head"><p>代码</p></th>
|
||
<th class="head"><p>HTTP 状态</p></th>
|
||
<th class="head"><p>描述</p></th>
|
||
</tr>
|
||
</thead>
|
||
<tbody>
|
||
<tr class="row-even"><td><p id="pgrstx00">PGRSTX00</p>
|
||
</td>
|
||
<td><p>500</p></td>
|
||
<td><p>与用于连接到数据库的库相关的内部错误。</p></td>
|
||
</tr>
|
||
</tbody>
|
||
</table></div>
|
||
</section>
|
||
</section>
|
||
</section>
|
||
<section id="custom-errors">
|
||
<h2>自定义错误<a class="headerlink" href="https://postgrest.postgresql.ac.cn/en/v12/references/errors.html#custom-errors" title="Link to this heading"></a></h2>
|
||
<p>您可以使用函数上的 <a class="reference external" href="https://postgresql.ac.cn/docs/current/plpgsql-errors-and-messages.html#PLPGSQL-STATEMENTS-RAISE">RAISE 语句</a> 自定义错误。</p>
|
||
<section id="raise-errors-with-http-status-codes">
|
||
<span id="raise-error"></span><h3>使用 HTTP 状态代码引发错误<a class="headerlink" href="https://postgrest.postgresql.ac.cn/en/v12/references/errors.html#raise-errors-with-http-status-codes" title="Link to this heading"></a></h3>
|
||
<p>可以通过在 <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/api/functions.html#functions"><span class="std std-ref">函数</span></a> 中引发 SQL 异常来实现自定义状态代码。例如，以下是一个始终以错误响应的函数</p>
|
||
<div class="highlight-postgres notranslate"><div class="highlight"><pre id="codecell6"><span></span><span class="k">CREATE</span><span class="w"> </span><span class="k">OR</span><span class="w"> </span><span class="k">REPLACE</span><span class="w"> </span><span class="k">FUNCTION</span><span class="w"> </span><span class="n">just_fail</span><span class="p">()</span><span class="w"> </span><span class="k">RETURNS</span><span class="w"> </span><span class="nb">void</span>
|
||
<span class="w"> </span><span class="k">LANGUAGE</span><span class="w"> </span><span class="n">plpgsql</span>
|
||
<span class="w"> </span><span class="k">AS</span><span class="w"> </span><span class="s">$$</span>
|
||
<span class="k">BEGIN</span>
|
||
<span class="w"> </span><span class="k">RAISE</span><span class="w"> </span><span class="k">EXCEPTION</span><span class="w"> </span><span class="s1">'I refuse!'</span>
|
||
<span class="w"> </span><span class="k">USING</span><span class="w"> </span><span class="n">DETAIL</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">'Pretty simple'</span><span class="p">,</span>
|
||
<span class="w"> </span><span class="n">HINT</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">'There is nothing you can do.'</span><span class="p">;</span>
|
||
<span class="k">END</span>
|
||
<span class="s">$$</span><span class="p">;</span>
|
||
</pre><button class="copybtn o-tooltip--left" data-tooltip="Copy" data-clipboard-target="#codecell6">
|
||
<svg xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-copy" width="44" height="44" viewBox="0 0 24 24" stroke-width="1.5" stroke="#000000" fill="none" stroke-linecap="round" stroke-linejoin="round">
|
||
<title>Copy to clipboard</title>
|
||
<path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
|
||
<rect x="8" y="8" width="12" height="12" rx="2"></rect>
|
||
<path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2"></path>
|
||
</svg>
|
||
</button></div>
|
||
</div>
|
||
<p>调用函数返回 HTTP 400，并带有主体</p>
|
||
<div class="highlight-json notranslate"><div class="highlight"><pre id="codecell7"><span></span><span class="p">{</span>
|
||
<span class="w"> </span><span class="nt">"message"</span><span class="p">:</span><span class="s2">"I refuse!"</span><span class="p">,</span>
|
||
<span class="w"> </span><span class="nt">"details"</span><span class="p">:</span><span class="s2">"Pretty simple"</span><span class="p">,</span>
|
||
<span class="w"> </span><span class="nt">"hint"</span><span class="p">:</span><span class="s2">"There is nothing you can do."</span><span class="p">,</span>
|
||
<span class="w"> </span><span class="nt">"code"</span><span class="p">:</span><span class="s2">"P0001"</span>
|
||
<span class="p">}</span>
|
||
</pre><button class="copybtn o-tooltip--left" data-tooltip="Copy" data-clipboard-target="#codecell7">
|
||
<svg xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-copy" width="44" height="44" viewBox="0 0 24 24" stroke-width="1.5" stroke="#000000" fill="none" stroke-linecap="round" stroke-linejoin="round">
|
||
<title>Copy to clipboard</title>
|
||
<path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
|
||
<rect x="8" y="8" width="12" height="12" rx="2"></rect>
|
||
<path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2"></path>
|
||
</svg>
|
||
</button></div>
|
||
</div>
|
||
<p>自定义 HTTP 状态码的一种方法是根据 PostgREST <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/errors.html#status-codes"><span class="std std-ref">错误到状态码映射</span></a> 抛出特定异常。例如，<code class="code docutils literal notranslate"><span class="pre">RAISE</span> <span class="pre">insufficient_privilege</span></code> 将根据情况返回 HTTP 401/403。</p>
|
||
<p>为了更精确地控制 HTTP 状态码，请抛出 <code class="docutils literal notranslate"><span class="pre">PTxyz</span></code> 类型的异常。例如，要返回 HTTP 402，请抛出 <code class="docutils literal notranslate"><span class="pre">PT402</span></code></p>
|
||
<div class="highlight-postgres notranslate"><div class="highlight"><pre id="codecell8"><span></span><span class="n">RAISE</span><span class="w"> </span><span class="n">sqlstate</span><span class="w"> </span><span class="s1">'PT402'</span><span class="w"> </span><span class="k">using</span>
|
||
<span class="w"> </span><span class="n">message</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">'Payment Required'</span><span class="p">,</span>
|
||
<span class="w"> </span><span class="n">detail</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">'Quota exceeded'</span><span class="p">,</span>
|
||
<span class="w"> </span><span class="n">hint</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">'Upgrade your plan'</span><span class="p">;</span>
|
||
</pre><button class="copybtn o-tooltip--left" data-tooltip="Copy" data-clipboard-target="#codecell8">
|
||
<svg xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-copy" width="44" height="44" viewBox="0 0 24 24" stroke-width="1.5" stroke="#000000" fill="none" stroke-linecap="round" stroke-linejoin="round">
|
||
<title>Copy to clipboard</title>
|
||
<path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
|
||
<rect x="8" y="8" width="12" height="12" rx="2"></rect>
|
||
<path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2"></path>
|
||
</svg>
|
||
</button></div>
|
||
</div>
|
||
<p>返回值</p>
|
||
<div class="highlight-http notranslate"><div class="highlight"><pre id="codecell9"><span></span><span class="kr">HTTP</span><span class="o">/</span><span class="m">1.1</span> <span class="m">402</span> <span class="ne">Payment Required</span>
|
||
<span class="na">Content-Type</span><span class="o">:</span> <span class="l">application/json; charset=utf-8</span>
|
||
|
||
<span class="p">{</span>
|
||
<span class="w"> </span><span class="nt">"message"</span><span class="p">:</span><span class="w"> </span><span class="s2">"Payment Required"</span><span class="p">,</span>
|
||
<span class="w"> </span><span class="nt">"details"</span><span class="p">:</span><span class="w"> </span><span class="s2">"Quota exceeded"</span><span class="p">,</span>
|
||
<span class="w"> </span><span class="nt">"hint"</span><span class="p">:</span><span class="w"> </span><span class="s2">"Upgrade your plan"</span><span class="p">,</span>
|
||
<span class="w"> </span><span class="nt">"code"</span><span class="p">:</span><span class="w"> </span><span class="s2">"PT402"</span>
|
||
<span class="p">}</span>
|
||
</pre><button class="copybtn o-tooltip--left" data-tooltip="Copy" data-clipboard-target="#codecell9">
|
||
<svg xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-copy" width="44" height="44" viewBox="0 0 24 24" stroke-width="1.5" stroke="#000000" fill="none" stroke-linecap="round" stroke-linejoin="round">
|
||
<title>Copy to clipboard</title>
|
||
<path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
|
||
<rect x="8" y="8" width="12" height="12" rx="2"></rect>
|
||
<path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2"></path>
|
||
</svg>
|
||
</button></div>
|
||
</div>
|
||
</section>
|
||
<section id="add-http-headers-with-raise">
|
||
<span id="raise-headers"></span><h3>使用 RAISE 添加 HTTP 头<a class="headerlink" href="https://postgrest.postgresql.ac.cn/en/v12/references/errors.html#add-http-headers-with-raise" title="Link to this heading"></a></h3>
|
||
<p>为了完全控制头信息和状态，您可以抛出 <code class="docutils literal notranslate"><span class="pre">PGRST</span></code> SQLSTATE 错误。您可以通过在 PostgreSQL 错误消息字段中添加 <code class="docutils literal notranslate"><span class="pre">code</span></code>、<code class="docutils literal notranslate"><span class="pre">message</span></code>、<code class="docutils literal notranslate"><span class="pre">detail</span></code> 和 <code class="docutils literal notranslate"><span class="pre">hint</span></code> 作为 JSON 对象来实现。这里，<code class="docutils literal notranslate"><span class="pre">details</span></code> 和 <code class="docutils literal notranslate"><span class="pre">hint</span></code> 是可选的。类似地，<code class="docutils literal notranslate"><span class="pre">status</span></code> 和 <code class="docutils literal notranslate"><span class="pre">headers</span></code> 必须作为 JSON 对象添加到 SQL 错误详细信息字段中。例如</p>
|
||
<div class="highlight-postgres notranslate"><div class="highlight"><pre id="codecell10"><span></span><span class="n">RAISE</span><span class="w"> </span><span class="n">sqlstate</span><span class="w"> </span><span class="s1">'PGRST'</span><span class="w"> </span><span class="k">USING</span>
|
||
<span class="w"> </span><span class="n">message</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">'{"code":"123","message":"Payment Required","details":"Quota exceeded","hint":"Upgrade your plan"}'</span><span class="p">,</span>
|
||
<span class="w"> </span><span class="n">detail</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">'{"status":402,"headers":{"X-Powered-By":"Nerd Rage"}}'</span><span class="p">;</span>
|
||
</pre><button class="copybtn o-tooltip--left" data-tooltip="Copy" data-clipboard-target="#codecell10">
|
||
<svg xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-copy" width="44" height="44" viewBox="0 0 24 24" stroke-width="1.5" stroke="#000000" fill="none" stroke-linecap="round" stroke-linejoin="round">
|
||
<title>Copy to clipboard</title>
|
||
<path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
|
||
<rect x="8" y="8" width="12" height="12" rx="2"></rect>
|
||
<path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2"></path>
|
||
</svg>
|
||
</button></div>
|
||
</div>
|
||
<p>返回值</p>
|
||
<div class="highlight-http notranslate"><div class="highlight"><pre id="codecell11"><span></span><span class="kr">HTTP</span><span class="o">/</span><span class="m">1.1</span> <span class="m">402</span> <span class="ne">Payment Required</span>
|
||
<span class="na">Content-Type</span><span class="o">:</span> <span class="l">application/json; charset=utf-8</span>
|
||
<span class="na">X-Powered-By</span><span class="o">:</span> <span class="l">Nerd Rage</span>
|
||
|
||
<span class="p">{</span>
|
||
<span class="w"> </span><span class="nt">"message"</span><span class="p">:</span><span class="w"> </span><span class="s2">"Payment Required"</span><span class="p">,</span>
|
||
<span class="w"> </span><span class="nt">"details"</span><span class="p">:</span><span class="w"> </span><span class="s2">"Quota exceeded"</span><span class="p">,</span>
|
||
<span class="w"> </span><span class="nt">"hint"</span><span class="p">:</span><span class="w"> </span><span class="s2">"Upgrade your plan"</span><span class="p">,</span>
|
||
<span class="w"> </span><span class="nt">"code"</span><span class="p">:</span><span class="w"> </span><span class="s2">"123"</span>
|
||
<span class="p">}</span>
|
||
</pre><button class="copybtn o-tooltip--left" data-tooltip="Copy" data-clipboard-target="#codecell11">
|
||
<svg xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-copy" width="44" height="44" viewBox="0 0 24 24" stroke-width="1.5" stroke="#000000" fill="none" stroke-linecap="round" stroke-linejoin="round">
|
||
<title>Copy to clipboard</title>
|
||
<path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
|
||
<rect x="8" y="8" width="12" height="12" rx="2"></rect>
|
||
<path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2"></path>
|
||
</svg>
|
||
</button></div>
|
||
</div>
|
||
<p>对于非标准 HTTP 状态，您可以选择添加 <code class="docutils literal notranslate"><span class="pre">status_text</span></code> 来描述状态码。对于状态码 <code class="docutils literal notranslate"><span class="pre">419</span></code>，详细信息字段可能如下所示</p>
|
||
<div class="highlight-postgres notranslate"><div class="highlight"><pre id="codecell12"><span></span><span class="n">detail</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">'{"status":419,"status_text":"Page Expired","headers":{"X-Powered-By":"Nerd Rage"}}'</span><span class="p">;</span>
|
||
</pre><button class="copybtn o-tooltip--left" data-tooltip="Copy" data-clipboard-target="#codecell12">
|
||
<svg xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-copy" width="44" height="44" viewBox="0 0 24 24" stroke-width="1.5" stroke="#000000" fill="none" stroke-linecap="round" stroke-linejoin="round">
|
||
<title>Copy to clipboard</title>
|
||
<path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
|
||
<rect x="8" y="8" width="12" height="12" rx="2"></rect>
|
||
<path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2"></path>
|
||
</svg>
|
||
</button></div>
|
||
</div>
|
||
<p>如果 PostgREST 无法解析 JSON 对象 <code class="docutils literal notranslate"><span class="pre">message</span></code> 和 <code class="docutils literal notranslate"><span class="pre">detail</span></code>，它将抛出 <code class="docutils literal notranslate"><span class="pre">PGRST121</span></code> 错误。请参阅 <a class="reference internal" href="https://postgrest.postgresql.ac.cn/en/v12/references/errors.html#pgrst1"><span class="std std-ref">PostgREST 错误</span></a>。</p>
|
||
</section>
|
||
</section>
|
||
</section>
|
||
|
||
|
||
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|
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|
||
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<p>© Copyright 2017, Joe Nelson, Steve Chavez. <span class="commit">Revision <code>94f05483</code>. </span></p>
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