civicrm/civicrm-core — pull request #846 by pradpnayak (2013-05-23 19:50:36+00:00)
Title: --everting code since regression issue faced on online contribution page...

... for payment processor, CRM-12498

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* CRM-12498: API contribution.create/update DB Error: constraint violation
http://issues.civicrm.org/jira/browse/CRM-12498