title: how to convert integer minutes to interval in postgres
body: <p>I'm trying to convert minutes which are in integer to interval in postgres</p>
  <p>Is there any function that will help me to convert it to interval or should i have divide it by 60 and get the final result</p>
  <pre><code>20 minutes will be like 00:20:00 as result 
  </code></pre>