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<article role="main" id="furo-main-content">
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<section id="sql-engines">
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<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">
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<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>
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<aside class="sidebar">
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<p class="sidebar-title">info</p>
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<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>
|
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</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>Extra Dependencies<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>Configure the engines<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>SQLite<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><span class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">''</span></span><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><span class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">''</span></span><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><span 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 v3.14)"><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></span><span class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">'KeyValue'</span></span><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 v3.14)"><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 v3.14)"><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>PostgreSQL<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><span 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></span><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><span class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">'5432'</span></span><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><span class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">''</span></span><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><span class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">''</span></span><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><span class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">''</span></span><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><span class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">''</span></span><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>MySQL<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="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><span 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></span><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><span class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">3306</span></span><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><span class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">''</span></span><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><span class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">''</span></span><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><span class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">''</span></span><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><span class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">''</span></span><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>MariaDB<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="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><span 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></span><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><span class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">3306</span></span><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><span class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">''</span></span><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><span class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">''</span></span><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><span class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">''</span></span><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><span class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">''</span></span><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>
|
||
|
||
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|
||
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|
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|
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<ul>
|
||
<li><a class="reference internal" href="#">SQL Engines</a><ul>
|
||
<li><a class="reference internal" href="#extra-dependencies">Extra Dependencies</a></li>
|
||
<li><a class="reference internal" href="#configure-the-engines">Configure the engines</a><ul>
|
||
<li><a class="reference internal" href="#engine-sqlite">SQLite</a><ul>
|
||
<li><a class="reference internal" href="#configuration">Configuration</a></li>
|
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<li><a class="reference internal" href="#example">Example</a></li>
|
||
<li><a class="reference internal" href="#implementations">Implementations</a></li>
|
||
<li><a class="reference internal" href="#searx.engines.sqlite.database"><code class="docutils literal notranslate"><span class="pre">database</span></code></a></li>
|
||
<li><a class="reference internal" href="#searx.engines.sqlite.query_str"><code class="docutils literal notranslate"><span class="pre">query_str</span></code></a></li>
|
||
<li><a class="reference internal" href="#searx.engines.sqlite.result_type"><code class="docutils literal notranslate"><span class="pre">result_type</span></code></a></li>
|
||
<li><a class="reference internal" href="#searx.engines.sqlite.sqlite_cursor"><code class="docutils literal notranslate"><span class="pre">sqlite_cursor()</span></code></a></li>
|
||
</ul>
|
||
</li>
|
||
<li><a class="reference internal" href="#engine-postgresql">PostgreSQL</a><ul>
|
||
<li><a class="reference internal" href="#id4">Example</a></li>
|
||
<li><a class="reference internal" href="#id5">Implementations</a></li>
|
||
<li><a class="reference internal" href="#searx.engines.postgresql.host"><code class="docutils literal notranslate"><span class="pre">host</span></code></a></li>
|
||
<li><a class="reference internal" href="#searx.engines.postgresql.port"><code class="docutils literal notranslate"><span class="pre">port</span></code></a></li>
|
||
<li><a class="reference internal" href="#searx.engines.postgresql.database"><code class="docutils literal notranslate"><span class="pre">database</span></code></a></li>
|
||
<li><a class="reference internal" href="#searx.engines.postgresql.username"><code class="docutils literal notranslate"><span class="pre">username</span></code></a></li>
|
||
<li><a class="reference internal" href="#searx.engines.postgresql.password"><code class="docutils literal notranslate"><span class="pre">password</span></code></a></li>
|
||
<li><a class="reference internal" href="#searx.engines.postgresql.query_str"><code class="docutils literal notranslate"><span class="pre">query_str</span></code></a></li>
|
||
</ul>
|
||
</li>
|
||
<li><a class="reference internal" href="#engine-mysql-server">MySQL</a><ul>
|
||
<li><a class="reference internal" href="#id7">Example</a></li>
|
||
<li><a class="reference internal" href="#id8">Implementations</a></li>
|
||
<li><a class="reference internal" href="#searx.engines.mysql_server.host"><code class="docutils literal notranslate"><span class="pre">host</span></code></a></li>
|
||
<li><a class="reference internal" href="#searx.engines.mysql_server.port"><code class="docutils literal notranslate"><span class="pre">port</span></code></a></li>
|
||
<li><a class="reference internal" href="#searx.engines.mysql_server.database"><code class="docutils literal notranslate"><span class="pre">database</span></code></a></li>
|
||
<li><a class="reference internal" href="#searx.engines.mysql_server.username"><code class="docutils literal notranslate"><span class="pre">username</span></code></a></li>
|
||
<li><a class="reference internal" href="#searx.engines.mysql_server.password"><code class="docutils literal notranslate"><span class="pre">password</span></code></a></li>
|
||
<li><a class="reference internal" href="#searx.engines.mysql_server.query_str"><code class="docutils literal notranslate"><span class="pre">query_str</span></code></a></li>
|
||
</ul>
|
||
</li>
|
||
<li><a class="reference internal" href="#mariadb">MariaDB</a><ul>
|
||
<li><a class="reference internal" href="#id9">Example</a></li>
|
||
<li><a class="reference internal" href="#id10">Implementations</a></li>
|
||
<li><a class="reference internal" href="#searx.engines.mariadb_server.host"><code class="docutils literal notranslate"><span class="pre">host</span></code></a></li>
|
||
<li><a class="reference internal" href="#searx.engines.mariadb_server.port"><code class="docutils literal notranslate"><span class="pre">port</span></code></a></li>
|
||
<li><a class="reference internal" href="#searx.engines.mariadb_server.database"><code class="docutils literal notranslate"><span class="pre">database</span></code></a></li>
|
||
<li><a class="reference internal" href="#searx.engines.mariadb_server.username"><code class="docutils literal notranslate"><span class="pre">username</span></code></a></li>
|
||
<li><a class="reference internal" href="#searx.engines.mariadb_server.password"><code class="docutils literal notranslate"><span class="pre">password</span></code></a></li>
|
||
<li><a class="reference internal" href="#searx.engines.mariadb_server.query_str"><code class="docutils literal notranslate"><span class="pre">query_str</span></code></a></li>
|
||
</ul>
|
||
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|
||
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|
||
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|
||
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