<!DOCTYPE html> <html lang="en" data-content_root="../../../"> <head> <meta charset="utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>SQL Engines — SearXNG Documentation (2025.5.24+064eb5047)</title> <link rel="stylesheet" type="text/css" href="../../../_static/pygments.css?v=6625fa76" /> <link rel="stylesheet" type="text/css" href="../../../_static/searxng.css?v=52e4ff28" /> <script src="../../../_static/documentation_options.js?v=28875259"></script> <script src="../../../_static/doctools.js?v=9a2dae69"></script> <script src="../../../_static/sphinx_highlight.js?v=dc90522c"></script> <script data-project="searxng" data-version="2025.5.24+064eb5047" src="../../../_static/describe_version.js?v=fa7f30d0"></script> <link rel="index" title="Index" href="../../../genindex.html" /> <link rel="search" title="Search" href="../../../search.html" /> <link rel="next" title="Tineye" href="../online_url_search/tineye.html" /> <link rel="prev" title="Local Search APIs" href="search-indexer-engines.html" /> </head><body> <div class="related" role="navigation" aria-label="Related"> <h3>Navigation</h3> <ul> <li class="right" style="margin-right: 10px"> <a href="../../../genindex.html" title="General Index" accesskey="I">index</a></li> <li class="right" > <a href="../../../py-modindex.html" title="Python Module Index" >modules</a> |</li> <li class="right" > <a href="../online_url_search/tineye.html" title="Tineye" accesskey="N">next</a> |</li> <li class="right" > <a href="search-indexer-engines.html" title="Local Search APIs" accesskey="P">previous</a> |</li> <li class="nav-item nav-item-0"><a href="../../../index.html">SearXNG Documentation (2025.5.24+064eb5047)</a> »</li> <li class="nav-item nav-item-1"><a href="../../index.html" >Developer documentation</a> »</li> <li class="nav-item nav-item-2"><a href="../index.html" accesskey="U">Engine Implementations</a> »</li> <li class="nav-item nav-item-this"><a href="">SQL Engines</a></li> </ul> </div> <div class="document"> <div class="documentwrapper"> <div class="bodywrapper"> <div class="body" role="main"> <section id="sql-engines"> <span id="id1"></span><h1>SQL Engines<a class="headerlink" href="#sql-engines" title="Link to this heading">¶</a></h1> <aside class="sidebar"> <p class="sidebar-title">further read</p> <ul class="simple"> <li><p><a class="reference external" href="https://www.sqlite.org/index.html">SQLite</a></p></li> <li><p><a class="reference external" href="https://www.postgresql.org">PostgreSQL</a></p></li> <li><p><a class="reference external" href="https://www.mysql.com">MySQL</a></p></li> </ul> </aside> <nav class="contents local" id="contents"> <ul class="simple"> <li><p><a class="reference internal" href="#extra-dependencies" id="id11">Extra Dependencies</a></p></li> <li><p><a class="reference internal" href="#configure-the-engines" id="id12">Configure the engines</a></p> <ul> <li><p><a class="reference internal" href="#engine-sqlite" id="id13">SQLite</a></p></li> <li><p><a class="reference internal" href="#engine-postgresql" id="id14">PostgreSQL</a></p></li> <li><p><a class="reference internal" href="#engine-mysql-server" id="id15">MySQL</a></p></li> <li><p><a class="reference internal" href="#mariadb" id="id16">MariaDB</a></p></li> </ul> </li> </ul> </nav> <aside class="sidebar"> <p class="sidebar-title">info</p> <p>Initial 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> </aside> <p>With the <em>SQL engines</em> you can bind SQL databases into SearXNG. The following Relational Database Management System (RDBMS) are supported:</p> <ul class="simple"> <li><p><a class="reference internal" href="#engine-sqlite"><span class="std std-ref">SQLite</span></a></p></li> <li><p><a class="reference internal" href="#engine-postgresql"><span class="std std-ref">PostgreSQL</span></a></p></li> <li><p><a class="reference internal" href="#engine-mysql-server"><span class="std std-ref">MySQL</span></a> & <a class="reference internal" href="#engine-mariadb-server"><span class="std std-ref">MariaDB</span></a></p></li> </ul> <p>All of the engines above are just commented out in the <a class="extlink-origin reference external" href="https://github.com/searxng/searxng/blob/master/searx/settings.yml">settings.yml</a>, as you have to set the required attributes for the engines, e.g. <code class="docutils literal notranslate"><span class="pre">database:</span></code> …</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">...</span> <span class="w"> </span><span class="nt">engine</span><span class="p">:</span><span class="w"> </span><span class="p p-Indicator">{</span><span class="nv">sqlite|postgresql|mysql_server</span><span class="p p-Indicator">}</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">...</span> <span class="w"> </span><span class="nt">result_template</span><span class="p">:</span><span class="w"> </span><span class="p p-Indicator">{</span><span class="nv">template_name</span><span class="p p-Indicator">}</span> <span class="w"> </span><span class="nt">query_str</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">...</span> </pre></div> </div> <p>By default, the engines use the <code class="docutils literal notranslate"><span class="pre">key-value</span></code> template for displaying results / see <a class="extlink-origin reference external" href="https://github.com/searxng/searxng/blob/master/searx/templates/simple/result_templates/key-value.html">simple</a> theme. If you are not satisfied with the original result layout, you can use your own template, set <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> and place the templates at:</p> <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">searx</span><span class="o">/</span><span class="n">templates</span><span class="o">/</span><span class="p">{</span><span class="n">theme_name</span><span class="p">}</span><span class="o">/</span><span class="n">result_templates</span><span class="o">/</span><span class="p">{</span><span class="n">template_name</span><span class="p">}</span> </pre></div> </div> <p>If you do not wish 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 section <a class="reference internal" href="../../../admin/settings/settings_engines.html#private-engines"><span class="std std-ref">Private Engines (tokens)</span></a>.</p> <section id="extra-dependencies"> <h2><a class="toc-backref" href="#id11" role="doc-backlink">Extra Dependencies</a><a class="headerlink" href="#extra-dependencies" title="Link to this heading">¶</a></h2> <p>For using <a class="reference internal" href="#engine-postgresql"><span class="std std-ref">PostgreSQL</span></a> or <a class="reference internal" href="#engine-mysql-server"><span class="std std-ref">MySQL</span></a> you need to install additional packages in Python’s Virtual Environment of your SearXNG instance. To switch into the environment (<a class="reference internal" href="../../../admin/installation-searxng.html#searxng-src"><span class="std std-ref">Install SearXNG & dependencies</span></a>) you can use <a class="reference internal" href="../../../utils/searxng.sh.html#searxng-sh"><span class="std std-ref">utils/searxng.sh</span></a>:</p> <div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ sudo utils/searxng.sh instance cmd bash (searxng-pyenv)$ pip install ... </pre></div> </div> </section> <section id="configure-the-engines"> <h2><a class="toc-backref" href="#id12" role="doc-backlink">Configure the engines</a><a class="headerlink" href="#configure-the-engines" title="Link to this heading">¶</a></h2> <p>The configuration of the new database engines are similar. You must put a valid SQL-SELECT query in <code class="docutils literal notranslate"><span class="pre">query_str</span></code>. At the moment you can only bind at most one parameter in your query. By setting the attribute <code class="docutils literal notranslate"><span class="pre">limit</span></code> you can define how many results you want from the SQL server. Basically, it is the same as the <code class="docutils literal notranslate"><span class="pre">LIMIT</span></code> keyword in SQL.</p> <p>Please, do not include <code class="docutils literal notranslate"><span class="pre">LIMIT</span></code> or <code class="docutils literal notranslate"><span class="pre">OFFSET</span></code> in your SQL query as the engines rely on these keywords during paging. If you want to configure the number of returned results use the option <code class="docutils literal notranslate"><span class="pre">limit</span></code>.</p> <section id="engine-sqlite"> <span id="id2"></span><h3><a class="toc-backref" href="#id13" role="doc-backlink">SQLite</a><a class="headerlink" href="#engine-sqlite" title="Link to this heading">¶</a></h3> <aside class="sidebar"> <p class="sidebar-title">info</p> <ul class="simple"> <li><p><a class="extlink-origin reference external" href="https://github.com/searxng/searxng/blob/master/searx/engines/sqlite.py">sqlite.py</a></p></li> </ul> </aside> <p id="module-searx.engines.sqlite">SQLite is a small, fast and reliable SQL database engine. It does not require any extra dependency.</p> <section id="configuration"> <h4>Configuration<a class="headerlink" href="#configuration" title="Link to this heading">¶</a></h4> <p>The engine has the following (additional) settings:</p> <ul class="simple"> <li><p><a class="reference internal" href="#searx.engines.sqlite.result_type" title="searx.engines.sqlite.result_type"><code class="xref py py-obj docutils literal notranslate"><span class="pre">result_type</span></code></a></p></li> </ul> </section> <section id="example"> <h4>Example<a class="headerlink" href="#example" title="Link to this heading">¶</a></h4> <p>To demonstrate the power of database engines, here is a more complex example which reads from a <a class="reference external" href="https://mediathekview.de/">MediathekView</a> (DE) movie database. For this example of the SQLite engine download the database:</p> <ul class="simple"> <li><p><a class="reference external" href="https://liste.mediathekview.de/filmliste-v2.db.bz2">https://liste.mediathekview.de/filmliste-v2.db.bz2</a></p></li> </ul> <p>and unpack into <code class="docutils literal notranslate"><span class="pre">searx/data/filmliste-v2.db</span></code>. To search the database use e.g Query to test: <code class="docutils literal notranslate"><span class="pre">!mediathekview</span> <span class="pre">concert</span></code></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">mediathekview</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">sqlite</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">mediathekview</span> <span class="w"> </span><span class="nt">categories</span><span class="p">:</span><span class="w"> </span><span class="p p-Indicator">[</span><span class="nv">general</span><span class="p p-Indicator">,</span><span class="w"> </span><span class="nv">videos</span><span class="p p-Indicator">]</span> <span class="w"> </span><span class="nt">result_type</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">MainResult</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">searx/data/filmliste-v2.db</span> <span class="w"> </span><span class="nt">query_str</span><span class="p">:</span><span class="w"> </span><span class="p p-Indicator">>-</span> <span class="w"> </span><span class="no">SELECT title || ' (' || time(duration, 'unixepoch') || ')' AS title,</span> <span class="w"> </span><span class="no">COALESCE( NULLIF(url_video_hd,''), NULLIF(url_video_sd,''), url_video) AS url,</span> <span class="w"> </span><span class="no">description AS content</span> <span class="w"> </span><span class="no">FROM film</span> <span class="w"> </span><span class="no">WHERE title LIKE :wildcard OR description LIKE :wildcard</span> <span class="w"> </span><span class="no">ORDER BY duration DESC</span> </pre></div> </div> </section> <section id="implementations"> <h4>Implementations<a class="headerlink" href="#implementations" title="Link to this heading">¶</a></h4> </section> <dl class="py data"> <dt class="sig sig-object py" id="searx.engines.sqlite.database"> <span class="sig-prename descclassname"><span class="pre">searx.engines.sqlite.</span></span><span class="sig-name descname"><span class="pre">database</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">''</span></em><a class="headerlink" href="#searx.engines.sqlite.database" title="Link to this definition">¶</a></dt> <dd><p>Filename of the SQLite DB.</p> </dd></dl> <dl class="py data"> <dt class="sig sig-object py" id="searx.engines.sqlite.query_str"> <span class="sig-prename descclassname"><span class="pre">searx.engines.sqlite.</span></span><span class="sig-name descname"><span class="pre">query_str</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">''</span></em><a class="headerlink" href="#searx.engines.sqlite.query_str" title="Link to this definition">¶</a></dt> <dd><p>SQL query that returns the result items.</p> </dd></dl> <dl class="py data"> <dt class="sig sig-object py" id="searx.engines.sqlite.result_type"> <span class="sig-prename descclassname"><span class="pre">searx.engines.sqlite.</span></span><span class="sig-name descname"><span class="pre">result_type</span></span><em class="property"><span class="p"><span class="pre">:</span></span><span class="w"> </span><a class="reference external" href="https://docs.python.org/3/library/typing.html#typing.Literal" title="(in Python v3.13)"><span class="pre">Literal</span></a><span class="p"><span class="pre">[</span></span><span class="s"><span class="pre">'MainResult'</span></span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="s"><span class="pre">'KeyValue'</span></span><span class="p"><span class="pre">]</span></span></em><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">'KeyValue'</span></em><a class="headerlink" href="#searx.engines.sqlite.result_type" title="Link to this definition">¶</a></dt> <dd><p>The result type can be <code class="xref py py-obj docutils literal notranslate"><span class="pre">MainResult</span></code> or <code class="xref py py-obj docutils literal notranslate"><span class="pre">KeyValue</span></code>.</p> </dd></dl> <dl class="py function"> <dt class="sig sig-object py" id="searx.engines.sqlite.sqlite_cursor"> <span class="sig-prename descclassname"><span class="pre">searx.engines.sqlite.</span></span><span class="sig-name descname"><span class="pre">sqlite_cursor</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../../_modules/searx/engines/sqlite.html#sqlite_cursor"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#searx.engines.sqlite.sqlite_cursor" title="Link to this definition">¶</a></dt> <dd><p>Implements a <a class="reference external" href="https://docs.python.org/3/library/contextlib.html#contextlib.contextmanager" title="(in Python v3.13)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Context</span> <span class="pre">Manager</span></code></a> for a <a class="reference external" href="https://docs.python.org/3/library/sqlite3.html#sqlite3.Cursor" title="(in Python v3.13)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">sqlite3.Cursor</span></code></a>.</p> <p>Open database in read only mode: if the database doesn’t exist. The default mode creates an empty file on the file system. See:</p> <ul class="simple"> <li><p><a class="reference external" href="https://docs.python.org/3/library/sqlite3.html#sqlite3.connect">https://docs.python.org/3/library/sqlite3.html#sqlite3.connect</a></p></li> <li><p><a class="reference external" href="https://www.sqlite.org/uri.html">https://www.sqlite.org/uri.html</a></p></li> </ul> </dd></dl> </section> <section id="engine-postgresql"> <span id="id3"></span><h3><a class="toc-backref" href="#id14" role="doc-backlink">PostgreSQL</a><a class="headerlink" href="#engine-postgresql" title="Link to this heading">¶</a></h3> <aside class="sidebar"> <p class="sidebar-title">info</p> <ul class="simple"> <li><p><a class="extlink-origin reference external" href="https://github.com/searxng/searxng/blob/master/searx/engines/postgresql.py">postgresql.py</a></p></li> <li><p><code class="docutils literal notranslate"><span class="pre">pip</span> <span class="pre">install</span></code> <a class="reference external" href="psycopg2">psycopg2-binary</a></p></li> </ul> </aside> <p id="module-searx.engines.postgresql">PostgreSQL is a powerful and robust open source database. Before configuring the PostgreSQL engine, you must install the dependency <code class="docutils literal notranslate"><span class="pre">psychopg2</span></code>.</p> <section id="id4"> <h4>Example<a class="headerlink" href="#id4" title="Link to this heading">¶</a></h4> <p>Below is an example configuration:</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">my_database</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">postgresql</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">my_database</span> <span class="w"> </span><span class="nt">username</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">searxng</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">password</span> <span class="w"> </span><span class="nt">query_str</span><span class="p">:</span><span class="w"> </span><span class="s">'SELECT</span><span class="nv"> </span><span class="s">*</span><span class="nv"> </span><span class="s">from</span><span class="nv"> </span><span class="s">my_table</span><span class="nv"> </span><span class="s">WHERE</span><span class="nv"> </span><span class="s">my_column</span><span class="nv"> </span><span class="s">=</span><span class="nv"> </span><span class="s">%(query)s'</span> </pre></div> </div> </section> <section id="id5"> <h4>Implementations<a class="headerlink" href="#id5" title="Link to this heading">¶</a></h4> </section> <dl class="py data"> <dt class="sig sig-object py" id="searx.engines.postgresql.host"> <span class="sig-prename descclassname"><span class="pre">searx.engines.postgresql.</span></span><span class="sig-name descname"><span class="pre">host</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">'127.0.0.1'</span></em><a class="headerlink" href="#searx.engines.postgresql.host" title="Link to this definition">¶</a></dt> <dd><p>Hostname of the DB connector</p> </dd></dl> <dl class="py data"> <dt class="sig sig-object py" id="searx.engines.postgresql.port"> <span class="sig-prename descclassname"><span class="pre">searx.engines.postgresql.</span></span><span class="sig-name descname"><span class="pre">port</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">'5432'</span></em><a class="headerlink" href="#searx.engines.postgresql.port" title="Link to this definition">¶</a></dt> <dd><p>Port of the DB connector</p> </dd></dl> <dl class="py data"> <dt class="sig sig-object py" id="searx.engines.postgresql.database"> <span class="sig-prename descclassname"><span class="pre">searx.engines.postgresql.</span></span><span class="sig-name descname"><span class="pre">database</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">''</span></em><a class="headerlink" href="#searx.engines.postgresql.database" title="Link to this definition">¶</a></dt> <dd><p>Name of the database.</p> </dd></dl> <dl class="py data"> <dt class="sig sig-object py" id="searx.engines.postgresql.username"> <span class="sig-prename descclassname"><span class="pre">searx.engines.postgresql.</span></span><span class="sig-name descname"><span class="pre">username</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">''</span></em><a class="headerlink" href="#searx.engines.postgresql.username" title="Link to this definition">¶</a></dt> <dd><p>Username for the DB connection.</p> </dd></dl> <dl class="py data"> <dt class="sig sig-object py" id="searx.engines.postgresql.password"> <span class="sig-prename descclassname"><span class="pre">searx.engines.postgresql.</span></span><span class="sig-name descname"><span class="pre">password</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">''</span></em><a class="headerlink" href="#searx.engines.postgresql.password" title="Link to this definition">¶</a></dt> <dd><p>Password for the DB connection.</p> </dd></dl> <dl class="py data"> <dt class="sig sig-object py" id="searx.engines.postgresql.query_str"> <span class="sig-prename descclassname"><span class="pre">searx.engines.postgresql.</span></span><span class="sig-name descname"><span class="pre">query_str</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">''</span></em><a class="headerlink" href="#searx.engines.postgresql.query_str" title="Link to this definition">¶</a></dt> <dd><p>SQL query that returns the result items.</p> </dd></dl> </section> <section id="engine-mysql-server"> <span id="id6"></span><h3><a class="toc-backref" href="#id15" role="doc-backlink">MySQL</a><a class="headerlink" href="#engine-mysql-server" title="Link to this heading">¶</a></h3> <aside class="sidebar"> <p class="sidebar-title">info</p> <ul class="simple"> <li><p><a class="extlink-origin reference external" href="https://github.com/searxng/searxng/blob/master/searx/engines/mysql_server.py">mysql_server.py</a></p></li> <li><p><code class="docutils literal notranslate"><span class="pre">pip</span> <span class="pre">install</span></code> <a class="extlink-pypi reference external" href="https://pypi.org/project/mysql-connector-python">mysql-connector-python</a></p></li> </ul> </aside> <p id="module-searx.engines.mysql_server">MySQL is said to be the most popular open source database. Before enabling MySQL engine, you must install the package <code class="docutils literal notranslate"><span class="pre">mysql-connector-python</span></code>.</p> <p>The authentication plugin is configurable by setting <code class="docutils literal notranslate"><span class="pre">auth_plugin</span></code> in the attributes. By default it is set to <code class="docutils literal notranslate"><span class="pre">caching_sha2_password</span></code>.</p> <section id="id7"> <h4>Example<a class="headerlink" href="#id7" title="Link to this heading">¶</a></h4> <p>This is an example configuration for querying a MySQL server:</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">my_database</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">mysql_server</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">my_database</span> <span class="w"> </span><span class="nt">username</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">searxng</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">password</span> <span class="w"> </span><span class="nt">limit</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">5</span> <span class="w"> </span><span class="nt">query_str</span><span class="p">:</span><span class="w"> </span><span class="s">'SELECT</span><span class="nv"> </span><span class="s">*</span><span class="nv"> </span><span class="s">from</span><span class="nv"> </span><span class="s">my_table</span><span class="nv"> </span><span class="s">WHERE</span><span class="nv"> </span><span class="s">my_column=%(query)s'</span> </pre></div> </div> </section> <section id="id8"> <h4>Implementations<a class="headerlink" href="#id8" title="Link to this heading">¶</a></h4> </section> <dl class="py data"> <dt class="sig sig-object py" id="searx.engines.mysql_server.host"> <span class="sig-prename descclassname"><span class="pre">searx.engines.mysql_server.</span></span><span class="sig-name descname"><span class="pre">host</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">'127.0.0.1'</span></em><a class="headerlink" href="#searx.engines.mysql_server.host" title="Link to this definition">¶</a></dt> <dd><p>Hostname of the DB connector</p> </dd></dl> <dl class="py data"> <dt class="sig sig-object py" id="searx.engines.mysql_server.port"> <span class="sig-prename descclassname"><span class="pre">searx.engines.mysql_server.</span></span><span class="sig-name descname"><span class="pre">port</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">3306</span></em><a class="headerlink" href="#searx.engines.mysql_server.port" title="Link to this definition">¶</a></dt> <dd><p>Port of the DB connector</p> </dd></dl> <dl class="py data"> <dt class="sig sig-object py" id="searx.engines.mysql_server.database"> <span class="sig-prename descclassname"><span class="pre">searx.engines.mysql_server.</span></span><span class="sig-name descname"><span class="pre">database</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">''</span></em><a class="headerlink" href="#searx.engines.mysql_server.database" title="Link to this definition">¶</a></dt> <dd><p>Name of the database.</p> </dd></dl> <dl class="py data"> <dt class="sig sig-object py" id="searx.engines.mysql_server.username"> <span class="sig-prename descclassname"><span class="pre">searx.engines.mysql_server.</span></span><span class="sig-name descname"><span class="pre">username</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">''</span></em><a class="headerlink" href="#searx.engines.mysql_server.username" title="Link to this definition">¶</a></dt> <dd><p>Username for the DB connection.</p> </dd></dl> <dl class="py data"> <dt class="sig sig-object py" id="searx.engines.mysql_server.password"> <span class="sig-prename descclassname"><span class="pre">searx.engines.mysql_server.</span></span><span class="sig-name descname"><span class="pre">password</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">''</span></em><a class="headerlink" href="#searx.engines.mysql_server.password" title="Link to this definition">¶</a></dt> <dd><p>Password for the DB connection.</p> </dd></dl> <dl class="py data"> <dt class="sig sig-object py" id="searx.engines.mysql_server.query_str"> <span class="sig-prename descclassname"><span class="pre">searx.engines.mysql_server.</span></span><span class="sig-name descname"><span class="pre">query_str</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">''</span></em><a class="headerlink" href="#searx.engines.mysql_server.query_str" title="Link to this definition">¶</a></dt> <dd><p>SQL query that returns the result items.</p> </dd></dl> </section> <section id="mariadb"> <span id="engine-mariadb-server"></span><h3><a class="toc-backref" href="#id16" role="doc-backlink">MariaDB</a><a class="headerlink" href="#mariadb" title="Link to this heading">¶</a></h3> <aside class="sidebar"> <p class="sidebar-title">info</p> <ul class="simple"> <li><p><a class="extlink-origin reference external" href="https://github.com/searxng/searxng/blob/master/searx/engines/mariadb_server.py">mariadb_server.py</a></p></li> <li><p><code class="docutils literal notranslate"><span class="pre">pip</span> <span class="pre">install</span></code> <a class="extlink-pypi reference external" href="https://pypi.org/project/mariadb">mariadb</a></p></li> </ul> </aside> <p id="module-searx.engines.mariadb_server">MariaDB is a community driven fork of MySQL. Before enabling MariaDB engine, you must the install the pip package <code class="docutils literal notranslate"><span class="pre">mariadb</span></code> along with the necessary prerequities.</p> <p><a class="reference external" href="https://mariadb.com/docs/server/connect/programming-languages/c/install/">See the following documentation for more details</a></p> <section id="id9"> <h4>Example<a class="headerlink" href="#id9" title="Link to this heading">¶</a></h4> <p>This is an example configuration for querying a MariaDB server:</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">my_database</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">mariadb_server</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">my_database</span> <span class="w"> </span><span class="nt">username</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">searxng</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">password</span> <span class="w"> </span><span class="nt">limit</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">5</span> <span class="w"> </span><span class="nt">query_str</span><span class="p">:</span><span class="w"> </span><span class="s">'SELECT</span><span class="nv"> </span><span class="s">*</span><span class="nv"> </span><span class="s">from</span><span class="nv"> </span><span class="s">my_table</span><span class="nv"> </span><span class="s">WHERE</span><span class="nv"> </span><span class="s">my_column=%(query)s'</span> </pre></div> </div> </section> <section id="id10"> <h4>Implementations<a class="headerlink" href="#id10" title="Link to this heading">¶</a></h4> </section> <dl class="py data"> <dt class="sig sig-object py" id="searx.engines.mariadb_server.host"> <span class="sig-prename descclassname"><span class="pre">searx.engines.mariadb_server.</span></span><span class="sig-name descname"><span class="pre">host</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">'127.0.0.1'</span></em><a class="headerlink" href="#searx.engines.mariadb_server.host" title="Link to this definition">¶</a></dt> <dd><p>Hostname of the DB connector</p> </dd></dl> <dl class="py data"> <dt class="sig sig-object py" id="searx.engines.mariadb_server.port"> <span class="sig-prename descclassname"><span class="pre">searx.engines.mariadb_server.</span></span><span class="sig-name descname"><span class="pre">port</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">3306</span></em><a class="headerlink" href="#searx.engines.mariadb_server.port" title="Link to this definition">¶</a></dt> <dd><p>Port of the DB connector</p> </dd></dl> <dl class="py data"> <dt class="sig sig-object py" id="searx.engines.mariadb_server.database"> <span class="sig-prename descclassname"><span class="pre">searx.engines.mariadb_server.</span></span><span class="sig-name descname"><span class="pre">database</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">''</span></em><a class="headerlink" href="#searx.engines.mariadb_server.database" title="Link to this definition">¶</a></dt> <dd><p>Name of the database.</p> </dd></dl> <dl class="py data"> <dt class="sig sig-object py" id="searx.engines.mariadb_server.username"> <span class="sig-prename descclassname"><span class="pre">searx.engines.mariadb_server.</span></span><span class="sig-name descname"><span class="pre">username</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">''</span></em><a class="headerlink" href="#searx.engines.mariadb_server.username" title="Link to this definition">¶</a></dt> <dd><p>Username for the DB connection.</p> </dd></dl> <dl class="py data"> <dt class="sig sig-object py" id="searx.engines.mariadb_server.password"> <span class="sig-prename descclassname"><span class="pre">searx.engines.mariadb_server.</span></span><span class="sig-name descname"><span class="pre">password</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">''</span></em><a class="headerlink" href="#searx.engines.mariadb_server.password" title="Link to this definition">¶</a></dt> <dd><p>Password for the DB connection.</p> </dd></dl> <dl class="py data"> <dt class="sig sig-object py" id="searx.engines.mariadb_server.query_str"> <span class="sig-prename descclassname"><span class="pre">searx.engines.mariadb_server.</span></span><span class="sig-name descname"><span class="pre">query_str</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">''</span></em><a class="headerlink" href="#searx.engines.mariadb_server.query_str" title="Link to this definition">¶</a></dt> <dd><p>SQL query that returns the result items.</p> </dd></dl> </section> </section> </section> <div class="clearer"></div> </div> </div> </div> <span id="sidebar-top"></span> <div class="sphinxsidebar" role="navigation" aria-label="Main"> <div class="sphinxsidebarwrapper"> <p class="logo"><a href="../../../index.html"> 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