title: Django -> django.db.backends DEBUG enabled keep printing (%.3f) %s; args=%s
body: <p>When I set the logger level to DEBUG on django.db.backends it keeps printing this message </p>
  
  <pre><code>[14/Jun/2019 18:47:53] [DEBUG] [django.db.backends -&gt; utils.py -&gt; execute -&gt; 90 -&gt; (%.3f) %s; args=%s]
  [14/Jun/2019 18:47:53] [DEBUG] [django.db.backends -&gt; utils.py -&gt; execute -&gt; 90 -&gt; (%.3f) %s; args=%s]
  [14/Jun/2019 18:47:53] [DEBUG] [django.db.backends -&gt; utils.py -&gt; execute -&gt; 90 -&gt; (%.3f) %s; args=%s]
  [14/Jun/2019 18:47:53] [DEBUG] [django.db.backends -&gt; utils.py -&gt; execute -&gt; 90 -&gt; (%.3f) %s; args=%s]
  [14/Jun/2019 18:47:53] [DEBUG] [django.db.backends -&gt; utils.py -&gt; execute -&gt; 90 -&gt; (%.3f) %s; args=%s]
  </code></pre>
  
  <p>My logger format is </p>
  
  <pre><code>'format' : "[%(asctime)s] [%(levelname)s] [%(name)s -&gt; %(filename)s -&gt; %(funcName)s -&gt; %(lineno)s -&gt; %(msg)s]",
  </code></pre>
  
  <p>Python version 3.7
  Django version 1.11.20</p>
  
  <p>Any idea what this is about ?</p>