title: How to add timestamp formatter in slick scala?
body: <p>I am trying to convert long into timestamps in scala slick . It is working fine.</p>
  
  <pre><code>val longToTimeStamp = SimpleFunction.unary[Long, Timestamp]("to_timestamp")
  </code></pre>
  
  <p>But I need to apply the formatting like "<code>YYYY-mm-dd</code>" .</p>
  
  <p>Is there any way to format the timestamp ? </p>