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  <section id="query-more-of-your-nosql-stores">
<h1>Query more of your NoSQL stores<a class="headerlink" href="#query-more-of-your-nosql-stores" title="Permalink to this heading">¶</a></h1>
<p>From now on, searx lets you to query your NoSQL data stores:</p>
<ul class="simple">
<li><p><a class="reference external" href="https://redis.io/">Redis</a></p></li>
<li><p><a class="reference external" href="https://mongodb.com/">MongoDB</a></p></li>
</ul>
<p>The reference configuration of the engines are included <code class="docutils literal notranslate"><span class="pre">settings.yml</span></code> just commented out,
as you have to set various options and install dependencies before using them.</p>
<p>By default, the engines use <code class="docutils literal notranslate"><span class="pre">key-value</span></code> template for displaying results.
If you are not satisfied with the original result layout,
you can use your owm template by placing the template under
<code class="docutils literal notranslate"><span class="pre">searx/templates/{theme_name}/result_templates/{template_name}</span></code> and setting
<code class="docutils literal notranslate"><span class="pre">result_template</span></code> attribute to <code class="docutils literal notranslate"><span class="pre">{template_name}</span></code>.</p>
<p>Furthermore, if you do not want to expose these engines on a public instance, you can
still add them and limit the access by setting <code class="docutils literal notranslate"><span class="pre">tokens</span></code> as described in the <a class="reference external" href="private-engines.html#private-engines">blog post about
private engines</a>.</p>
<section id="configuring-searx-to-use-the-stores">
<h2>Configuring searx to use the stores<a class="headerlink" href="#configuring-searx-to-use-the-stores" title="Permalink to this heading">¶</a></h2>
<p>NoSQL data stores are used for storing arbitrary data without first defining their
structure.</p>
<section id="redis">
<h3>Redis<a class="headerlink" href="#redis" title="Permalink to this heading">¶</a></h3>
<p>Required package: <code class="docutils literal notranslate"><span class="pre">redis</span></code></p>
<p>Redis is a key value based data store usually stored in memory.</p>
<p>Select a database to search in and set its index in the option <code class="docutils literal notranslate"><span class="pre">db</span></code>. You can
either look for exact matches or use partial keywords to find what you are looking for
by configuring <code class="docutils literal notranslate"><span class="pre">exact_match_only</span></code>.</p>
<p>In this example you can search for exact matches in your first database:</p>
<div class="highlight-yaml notranslate"><div class="highlight"><pre><span></span><span class="p p-Indicator">-</span><span class="w"> </span><span class="nt">name </span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">mystore</span><span class="w"></span>
<span class="w">  </span><span class="nt">engine </span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">redis_server</span><span class="w"></span>
<span class="w">  </span><span class="nt">exact_match_only </span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">True</span><span class="w"></span>
<span class="w">  </span><span class="nt">host </span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">127.0.0.1</span><span class="w"></span>
<span class="w">  </span><span class="nt">port </span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">6379</span><span class="w"></span>
<span class="w">  </span><span class="nt">password </span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">secret-password</span><span class="w"></span>
<span class="w">  </span><span class="nt">db </span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">0</span><span class="w"></span>
<span class="w">  </span><span class="nt">shortcut </span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">rds</span><span class="w"></span>
<span class="w">  </span><span class="nt">enable_http </span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">True</span><span class="w"></span>
</pre></div>
</div>
</section>
<section id="mongodb">
<h3>MongoDB<a class="headerlink" href="#mongodb" title="Permalink to this heading">¶</a></h3>
<p>Required package: <code class="docutils literal notranslate"><span class="pre">pymongo</span></code></p>
<p>MongoDB is a document based database program that handles JSON like data.</p>
<p>In order to query MongoDB, you have to select a <code class="docutils literal notranslate"><span class="pre">database</span></code> and a <code class="docutils literal notranslate"><span class="pre">collection</span></code>. Furthermore,
you have to select a <code class="docutils literal notranslate"><span class="pre">key</span></code> that is going to be searched. MongoDB also supports the option <code class="docutils literal notranslate"><span class="pre">exact_match_only</span></code>, so configure it
as you wish.</p>
<p>Above is an example configuration for using a MongoDB collection:</p>
<div class="highlight-yaml notranslate"><div class="highlight"><pre><span></span><span class="p p-Indicator">-</span><span class="w"> </span><span class="nt">name </span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">mymongo</span><span class="w"></span>
<span class="w">  </span><span class="nt">engine </span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">mongodb</span><span class="w"></span>
<span class="w">  </span><span class="nt">shortcut </span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">md</span><span class="w"></span>
<span class="w">  </span><span class="nt">host </span><span class="p">:</span><span class="w"> </span><span class="s">&#39;127.0.0.1&#39;</span><span class="w"></span>
<span class="w">  </span><span class="nt">port </span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">27017</span><span class="w"></span>
<span class="w">  </span><span class="nt">database </span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">personal</span><span class="w"></span>
<span class="w">  </span><span class="nt">collection </span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">income</span><span class="w"></span>
<span class="w">  </span><span class="nt">key </span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">month</span><span class="w"></span>
<span class="w">  </span><span class="nt">enable_http</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">True</span><span class="w"></span>
</pre></div>
</div>
</section>
</section>
<section id="acknowledgement">
<h2>Acknowledgement<a class="headerlink" href="#acknowledgement" title="Permalink to this heading">¶</a></h2>
<p>This development was sponsored by <a class="reference external" href="https://nlnet.nl/discovery">Search and Discovery Fund</a> of <a class="reference external" href="https://nlnet.nl/">NLnet Foundation</a> .</p>
<div class="line-block">
<div class="line">Happy hacking.</div>
<div class="line">kvch // 2021.07.13 23:16</div>
</div>
</section>
</section>


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