How to use function column in select query
<pre><code>select now() as t1,t1;
</code></pre>

<blockquote>
  <p>error :- ERROR: 42703: column "t1" does not exist</p>
</blockquote>

<p>Result should be :</p>

<pre><code>select now() as t1,t1;

7/26/2016   7/26/2016
</code></pre>