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<h1><span class="section-number">7.3.13. </span><code class="docutils literal notranslate"><span class="pre">column_remove</span></code><a class="headerlink" href="#column-remove" title="Permalink to this headline">¶</a></h1>
<div class="section" id="summary">
<h2><span class="section-number">7.3.13.1. </span>Summary<a class="headerlink" href="#summary" title="Permalink to this headline">¶</a></h2>
<p>column_remove - テーブルに定義されているカラムの削除</p>
<p>Groonga組込コマンドの一つであるcolumn_removeについて説明します。組込コマンドは、groonga実行ファイルの引数、標準入力、またはソケット経由でgroongaサーバにリクエストを送信することによって実行します。</p>
<p>column_removeはテーブルに定義されているカラムを削除します。
また、付随するインデックスも削除されます。<a class="footnote-reference brackets" href="#id2" id="id1">1</a></p>
</div>
<div class="section" id="syntax">
<h2><span class="section-number">7.3.13.2. </span>Syntax<a class="headerlink" href="#syntax" title="Permalink to this headline">¶</a></h2>
<div class="highlight-none notranslate"><div class="highlight"><pre><span></span>column_remove table name
</pre></div>
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<h2><span class="section-number">7.3.13.3. </span>Usage<a class="headerlink" href="#usage" title="Permalink to this headline">¶</a></h2>
<div class="highlight-none notranslate"><div class="highlight"><pre><span></span>column_remove Entry body
[true]
</pre></div>
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<p class="rubric">脚注</p>
<dl class="footnote brackets">
<dt class="label" id="id2"><span class="brackets"><a class="fn-backref" href="#id1">1</a></span></dt>
<dd><p>マルチセクションインデックスの一部である場合も、インデックスが削除されます。</p>
</dd>
</dl>
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<h2><span class="section-number">7.3.13.4. </span>Parameters<a class="headerlink" href="#parameters" title="Permalink to this headline">¶</a></h2>
<p><code class="docutils literal notranslate"><span class="pre">table</span></code></p>
<blockquote>
<div><p>削除対象のカラムが定義されているテーブルの名前を指定します。</p>
</div></blockquote>
<p><code class="docutils literal notranslate"><span class="pre">name</span></code></p>
<blockquote>
<div><p>削除対象のカラム名を指定します。</p>
</div></blockquote>
</div>
<div class="section" id="return-value">
<h2><span class="section-number">7.3.13.5. </span>Return value<a class="headerlink" href="#return-value" title="Permalink to this headline">¶</a></h2>
<div class="highlight-none notranslate"><div class="highlight"><pre><span></span>[成功かどうかのフラグ]
</pre></div>
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<p><code class="docutils literal notranslate"><span class="pre">成功かどうかのフラグ</span></code></p>
<blockquote>
<div><p>エラーが生じなかった場合にはtrue、エラーが生じた場合にはfalseを返す。</p>
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<li><a class="reference internal" href="#">7.3.13. <code class="docutils literal notranslate"><span class="pre">column_remove</span></code></a><ul>
<li><a class="reference internal" href="#summary">7.3.13.1. Summary</a></li>
<li><a class="reference internal" href="#syntax">7.3.13.2. Syntax</a></li>
<li><a class="reference internal" href="#usage">7.3.13.3. Usage</a></li>
<li><a class="reference internal" href="#parameters">7.3.13.4. Parameters</a></li>
<li><a class="reference internal" href="#return-value">7.3.13.5. Return value</a></li>
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