title: Additional Functions for Window Functions
body: <p>Thank you so much for the window functions!!!</p>
  
  <p>I'm curious if some more "basic" aggregates will be supported:</p>
  
  <pre><code>Sum()
  Average()
  Min()
  Max()
  </code></pre>
  
  <p>Current result of trying to use Sum():</p>
  
  <p><code>Error: Unrecognized Analytic Function: SUM cannot be used with an OVER() clause.</code></p>