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| <div class="section" id="mysql-connection"> |
| <h1>MySQL Connection<a class="headerlink" href="#mysql-connection" title="Permalink to this headline">¶</a></h1> |
| <p>The MySQL connection type provides connection to a MySQL database.</p> |
| <div class="section" id="configuring-the-connection"> |
| <h2>Configuring the Connection<a class="headerlink" href="#configuring-the-connection" title="Permalink to this headline">¶</a></h2> |
| <dl> |
| <dt>Host (required)</dt><dd><p>The host to connect to.</p> |
| </dd> |
| <dt>Schema (optional)</dt><dd><p>Specify the schema name to be used in the database.</p> |
| </dd> |
| <dt>Login (required)</dt><dd><p>Specify the user name to connect.</p> |
| </dd> |
| <dt>Password (required)</dt><dd><p>Specify the password to connect.</p> |
| </dd> |
| <dt>Extra (optional)</dt><dd><p>Specify the extra parameters (as json dictionary) that can be used in MySQL |
| connection. The following parameters are supported:</p> |
| <ul class="simple"> |
| <li><p><strong>charset</strong>: specify charset of the connection</p></li> |
| <li><p><strong>cursor</strong>: one of “sscursor”, “dictcursor, “ssdictcursor” . Specifies cursor class to be |
| used</p></li> |
| <li><p><strong>local_infile</strong>: controls MySQL’s LOCAL capability (permitting local data loading by |
| clients). See <a class="reference external" href="https://mysqlclient.readthedocs.io/user_guide.html">MySQLdb docs</a> |
| for details.</p></li> |
| <li><p><strong>unix_socket</strong>: UNIX socket used instead of the default socket.</p></li> |
| <li><p><strong>ssl</strong>: Dictionary of SSL parameters that control connecting using SSL. Those |
| parameters are server specific and should contain “ca”, “cert”, “key”, “capath”, |
| “cipher” parameters. See |
| <a class="reference external" href="https://mysqlclient.readthedocs.io/user_guide.html">MySQLdb docs</a> for details. |
| Note that to be useful in URL notation, this parameter might also be |
| a string where the SSL dictionary is a string-encoded JSON dictionary.</p></li> |
| </ul> |
| <p>Example “extras” field:</p> |
| <div class="highlight-json notranslate"><div class="highlight"><pre><span></span><span class="p">{</span> |
| <span class="nt">"charset"</span><span class="p">:</span> <span class="s2">"utf8"</span><span class="p">,</span> |
| <span class="nt">"cursorclass"</span><span class="p">:</span> <span class="s2">"sscursor"</span><span class="p">,</span> |
| <span class="nt">"local_infile"</span><span class="p">:</span> <span class="kc">true</span><span class="p">,</span> |
| <span class="nt">"unix_socket"</span><span class="p">:</span> <span class="s2">"/var/socket"</span><span class="p">,</span> |
| <span class="nt">"ssl"</span><span class="p">:</span> <span class="p">{</span> |
| <span class="nt">"cert"</span><span class="p">:</span> <span class="s2">"/tmp/client-cert.pem"</span><span class="p">,</span> |
| <span class="nt">"ca"</span><span class="p">:</span> <span class="s2">"/tmp/server-ca.pem'"</span><span class="p">,</span> |
| <span class="nt">"key"</span><span class="p">:</span> <span class="s2">"/tmp/client-key.pem"</span> |
| <span class="p">}</span> |
| <span class="p">}</span> |
| </pre></div> |
| </div> |
| <p>or</p> |
| <div class="highlight-json notranslate"><div class="highlight"><pre><span></span><span class="p">{</span> |
| <span class="nt">"charset"</span><span class="p">:</span> <span class="s2">"utf8"</span><span class="p">,</span> |
| <span class="nt">"cursorclass"</span><span class="p">:</span> <span class="s2">"sscursor"</span><span class="p">,</span> |
| <span class="nt">"local_infile"</span><span class="p">:</span> <span class="kc">true</span><span class="p">,</span> |
| <span class="nt">"unix_socket"</span><span class="p">:</span> <span class="s2">"/var/socket"</span><span class="p">,</span> |
| <span class="nt">"ssl"</span><span class="p">:</span> <span class="s2">"{\"cert\": \"/tmp/client-cert.pem\", \"ca\": \"/tmp/server-ca.pem\", \"key\": \"/tmp/client-key.pem\"}"</span> |
| <span class="p">}</span> |
| </pre></div> |
| </div> |
| <p>When specifying the connection as URI (in AIRFLOW_CONN_* variable) you should specify it |
| following the standard syntax of DB connections - where extras are passed as parameters |
| of the URI. Note that all components of the URI should be URL-encoded.</p> |
| <p>For example:</p> |
| <div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>mysql://mysql_user:XXXXXXXXXXXX@1.1.1.1:3306/mysqldb?ssl<span class="o">=</span>%7B%22cert%22%3A+%22%2Ftmp%2Fclient-cert.pem%22%2C+%22ca%22%3A+%22%2Ftmp%2Fserver-ca.pem%22%2C+%22key%22%3A+%22%2Ftmp%2Fclient-key.pem%22%7D |
| </pre></div> |
| </div> |
| <div class="admonition note"> |
| <p class="admonition-title">Note</p> |
| <p>If encounter UnicodeDecodeError while working with MySQL connection, check |
| the charset defined is matched to the database charset.</p> |
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