how to convert columns into rows in HIVE
<p>I have a table in HIVE which looks like this</p>

<pre><code>cust_1,month_1, f1,f2,f3 
cust_1,month_2, f2,f3,f4   
cust_2,month_1, f1,f5,f4
</code></pre>

<p>I would like to convert it in the following format</p>

<pre><code>cust_1,month_1, f1
cust_1,month_1, f2   
cust_1,month_1, f3
</code></pre>

<p>....</p>

<p>How that is possible in HIVE? </p>