title: Hive - Converting a string to bigint
body: <p>Suppose I have a string like <code>'00321'</code> and I want to convert it into a <code>BIGINT</code> in Hive, how would I do it?</p>
  
  <p>Follow-up question: would the resulting <code>BIGINT</code> value be <code>321</code> or <code>00321</code>?</p>