title: How can I get Quarter to Date in Hive SQL?
body: <p>I'm having a hard time getting the quarter to date values from Hive SQL. 
  How can I get the first day of the current quarter in Hive sql?</p>
  
  <p>Table name: Orders</p>
  
  <p>Fields: date, order_num, sales_num</p>
  
  <p>Please advise. </p>