title: How to specify column types for CTE (Common Table Expressions) in PostgreSQL?
body: <p>Consider</p>
  
  <pre><code>WITH t (f0, f1) as (
    values 
       (1, 10),
       (2, 20)     
  )...
  </code></pre>
  
  <p>How do I specify that f0 and f1 are of type bigint?</p>