title: sqlalchemy IS NOT NULL select
body: <p>How can I add the filter as in SQL to select values that are NOT NULL from a certain column ?</p>
  
  <pre><code>SELECT * 
  FROM table 
  WHERE YourColumn IS NOT NULL;
  </code></pre>
  
  <p>How can I do the same with SQLAlchemy filters?</p>
  
  <pre><code>select = select(table).select_from(table).where(all_filters) 
  </code></pre>