civicrm/civihr — pull request #49 by ravishnair (2013-07-19 13:07:47+00:00)
Title: -- CRM-13076 made is_primary = 1 for first and 0 for other job records in generated data

Now, there will be 1,2 or 3 job records for each contact. The first one will have is_primary = 1 while the rest records will have its value as 0.