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Reinforcement Learning
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SQL Cheat-sheet
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SQL Cheat-sheet
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Using sqlite3 via docker
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Open the DB
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Get all trades in the table
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Fix trade still open after a manual exit on the exchange
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Remove trade from the database
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Use a different database system
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<h1 id="sql-helper">SQL Helper<a class="headerlink" href="#sql-helper" title="Permanent link">&para;</a></h1>
<p>This page contains some help if you want to edit your sqlite db.</p>
<h2 id="install-sqlite3">Install sqlite3<a class="headerlink" href="#install-sqlite3" title="Permanent link">&para;</a></h2>
<p>Sqlite3 is a terminal based sqlite application.
Feel free to use a visual Database editor like SqliteBrowser if you feel more comfortable with that.</p>
<h3 id="ubuntudebian-installation">Ubuntu/Debian installation<a class="headerlink" href="#ubuntudebian-installation" title="Permanent link">&para;</a></h3>
<div class="highlight"><pre><span></span><code>sudo<span class="w"> </span>apt-get<span class="w"> </span>install<span class="w"> </span>sqlite3
</code></pre></div>
<h3 id="using-sqlite3-via-docker">Using sqlite3 via docker<a class="headerlink" href="#using-sqlite3-via-docker" title="Permanent link">&para;</a></h3>
<p>The freqtrade docker image does contain sqlite3, so you can edit the database without having to install anything on the host system.</p>
<div class="highlight"><pre><span></span><code>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>freqtrade<span class="w"> </span>/bin/bash
sqlite3<span class="w"> </span>&lt;database-file&gt;.sqlite
</code></pre></div>
<h2 id="open-the-db">Open the DB<a class="headerlink" href="#open-the-db" title="Permanent link">&para;</a></h2>
<div class="highlight"><pre><span></span><code>sqlite3
.open<span class="w"> </span>&lt;filepath&gt;
</code></pre></div>
<h2 id="table-structure">Table structure<a class="headerlink" href="#table-structure" title="Permanent link">&para;</a></h2>
<h3 id="list-tables">List tables<a class="headerlink" href="#list-tables" title="Permanent link">&para;</a></h3>
<div class="highlight"><pre><span></span><code>.tables
</code></pre></div>
<h3 id="display-table-structure">Display table structure<a class="headerlink" href="#display-table-structure" title="Permanent link">&para;</a></h3>
<div class="highlight"><pre><span></span><code>.schema<span class="w"> </span>&lt;table_name&gt;
</code></pre></div>
<h2 id="get-all-trades-in-the-table">Get all trades in the table<a class="headerlink" href="#get-all-trades-in-the-table" title="Permanent link">&para;</a></h2>
<div class="highlight"><pre><span></span><code><span class="k">SELECT</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="k">FROM</span><span class="w"> </span><span class="n">trades</span><span class="p">;</span>
</code></pre></div>
<h2 id="fix-trade-still-open-after-a-manual-exit-on-the-exchange">Fix trade still open after a manual exit on the exchange<a class="headerlink" href="#fix-trade-still-open-after-a-manual-exit-on-the-exchange" title="Permanent link">&para;</a></h2>
<div class="admonition warning">
<p class="admonition-title">Warning</p>
<p>Manually selling a pair on the exchange will not be detected by the bot and it will try to sell anyway. Whenever possible, /forceexit <tradeid> should be used to accomplish the same thing.<br />
It is strongly advised to backup your database file before making any manual changes.</p>
</div>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>This should not be necessary after /forceexit, as force_exit orders are closed automatically by the bot on the next iteration.</p>
</div>
<div class="highlight"><pre><span></span><code><span class="k">UPDATE</span><span class="w"> </span><span class="n">trades</span>
<span class="k">SET</span><span class="w"> </span><span class="n">is_open</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span>
<span class="w"> </span><span class="n">close_date</span><span class="o">=&lt;</span><span class="n">close_date</span><span class="o">&gt;</span><span class="p">,</span>
<span class="w"> </span><span class="n">close_rate</span><span class="o">=&lt;</span><span class="n">close_rate</span><span class="o">&gt;</span><span class="p">,</span>
<span class="w"> </span><span class="n">close_profit</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">close_rate</span><span class="w"> </span><span class="o">/</span><span class="w"> </span><span class="n">open_rate</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="mi">1</span><span class="p">,</span>
<span class="w"> </span><span class="n">close_profit_abs</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="n">amount</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="o">&lt;</span><span class="n">close_rate</span><span class="o">&gt;</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="p">(</span><span class="mi">1</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="n">fee_close</span><span class="p">)</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="p">(</span><span class="n">amount</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="p">(</span><span class="n">open_rate</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="p">(</span><span class="mi">1</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="n">fee_open</span><span class="p">)))),</span>
<span class="w"> </span><span class="n">exit_reason</span><span class="o">=&lt;</span><span class="n">exit_reason</span><span class="o">&gt;</span>
<span class="k">WHERE</span><span class="w"> </span><span class="n">id</span><span class="o">=&lt;</span><span class="n">trade_ID_to_update</span><span class="o">&gt;</span><span class="p">;</span>
</code></pre></div>
<h3 id="example">Example<a class="headerlink" href="#example" title="Permanent link">&para;</a></h3>
<div class="highlight"><pre><span></span><code><span class="k">UPDATE</span><span class="w"> </span><span class="n">trades</span>
<span class="k">SET</span><span class="w"> </span><span class="n">is_open</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span>
<span class="w"> </span><span class="n">close_date</span><span class="o">=</span><span class="s1">&#39;2020-06-20 03:08:45.103418&#39;</span><span class="p">,</span>
<span class="w"> </span><span class="n">close_rate</span><span class="o">=</span><span class="mi">0</span><span class="p">.</span><span class="mi">19638016</span><span class="p">,</span>
<span class="w"> </span><span class="n">close_profit</span><span class="o">=</span><span class="mi">0</span><span class="p">.</span><span class="mi">0496</span><span class="p">,</span>
<span class="w"> </span><span class="n">close_profit_abs</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="n">amount</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="mi">0</span><span class="p">.</span><span class="mi">19638016</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="p">(</span><span class="mi">1</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="n">fee_close</span><span class="p">)</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="p">(</span><span class="n">amount</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="p">(</span><span class="n">open_rate</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="p">(</span><span class="mi">1</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="n">fee_open</span><span class="p">)))),</span>
<span class="w"> </span><span class="n">exit_reason</span><span class="o">=</span><span class="s1">&#39;force_exit&#39;</span><span class="w"> </span>
<span class="k">WHERE</span><span class="w"> </span><span class="n">id</span><span class="o">=</span><span class="mi">31</span><span class="p">;</span>
</code></pre></div>
<h2 id="remove-trade-from-the-database">Remove trade from the database<a class="headerlink" href="#remove-trade-from-the-database" title="Permanent link">&para;</a></h2>
<div class="admonition tip">
<p class="admonition-title">Use RPC Methods to delete trades</p>
<p>Consider using <code>/delete &lt;tradeid&gt;</code> via telegram or rest API. That's the recommended way to deleting trades.</p>
</div>
<p>If you'd still like to remove a trade from the database directly, you can use the below query.</p>
<div class="admonition danger">
<p class="admonition-title">Danger</p>
<p>Some systems (Ubuntu) disable foreign keys in their sqlite3 packaging. When using sqlite - please ensure that foreign keys are on by running <code>PRAGMA foreign_keys = ON</code> before the above query.</p>
</div>
<div class="highlight"><pre><span></span><code><span class="k">DELETE</span><span class="w"> </span><span class="k">FROM</span><span class="w"> </span><span class="n">trades</span><span class="w"> </span><span class="k">WHERE</span><span class="w"> </span><span class="n">id</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="o">&lt;</span><span class="n">tradeid</span><span class="o">&gt;</span><span class="p">;</span>
<span class="k">DELETE</span><span class="w"> </span><span class="k">FROM</span><span class="w"> </span><span class="n">trades</span><span class="w"> </span><span class="k">WHERE</span><span class="w"> </span><span class="n">id</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">31</span><span class="p">;</span>
</code></pre></div>
<div class="admonition warning">
<p class="admonition-title">Warning</p>
<p>This will remove this trade from the database. Please make sure you got the correct id and <strong>NEVER</strong> run this query without the <code>where</code> clause.</p>
</div>
<h2 id="use-a-different-database-system">Use a different database system<a class="headerlink" href="#use-a-different-database-system" title="Permanent link">&para;</a></h2>
<p>Freqtrade is using SQLAlchemy, which supports multiple different database systems. As such, a multitude of database systems should be supported.
Freqtrade does not depend or install any additional database driver. Please refer to the <a href="https://docs.sqlalchemy.org/en/14/core/engines.html#database-urls">SQLAlchemy docs</a> on installation instructions for the respective database systems.</p>
<p>The following systems have been tested and are known to work with freqtrade:</p>
<ul>
<li>sqlite (default)</li>
<li>PostgreSQL)</li>
<li>MariaDB</li>
</ul>
<div class="admonition warning">
<p class="admonition-title">Warning</p>
<p>By using one of the below database systems, you acknowledge that you know how to manage such a system. The freqtrade team will not provide any support with setup or maintenance (or backups) of the below database systems.</p>
</div>
<h3 id="postgresql">PostgreSQL<a class="headerlink" href="#postgresql" title="Permanent link">&para;</a></h3>
<p>Installation:
<code>pip install psycopg2-binary</code></p>
<p>Usage:
<code>... --db-url postgresql+psycopg2://&lt;username&gt;:&lt;password&gt;@localhost:5432/&lt;database&gt;</code></p>
<p>Freqtrade will automatically create the tables necessary upon startup.</p>
<p>If you're running different instances of Freqtrade, you must either setup one database per Instance or use different users / schemas for your connections.</p>
<h3 id="mariadb-mysql">MariaDB / MySQL<a class="headerlink" href="#mariadb-mysql" title="Permanent link">&para;</a></h3>
<p>Freqtrade supports MariaDB by using SQLAlchemy, which supports multiple different database systems.</p>
<p>Installation:
<code>pip install pymysql</code></p>
<p>Usage:
<code>... --db-url mysql+pymysql://&lt;username&gt;:&lt;password&gt;@localhost:3306/&lt;database&gt;</code></p>
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