0db807ec28
Summary: Based on feedback from spetrunia, we should better differentiate error statuses for transaction failures. https://github.com/MySQLOnRocksDB/mysql-5.6/issues/86#issuecomment-124605954 Test Plan: unit tests Reviewers: rven, kradhakrishnan, spetrunia, yhchiang, sdong Reviewed By: sdong Subscribers: dhruba, leveldb Differential Revision: https://reviews.facebook.net/D43323