{"push_id":818148113,"size":1,"distinct_size":1,"ref":"refs/heads/wangqiang/attachments","head":"0bf1107d2a6320dd09874f9575cf7d88a0f89575","before":"90b1bbb85b5473c115e597ae7ae26ba189abc491","commits":[{"sha":"0bf1107d2a6320dd09874f9575cf7d88a0f89575","author":{"email":"88bb26d2ec9910c1c0fcd8b589fa3a27d14a8341@gmail.com","name":"WANG QIANG"},"message":"Update existing models\n\nAdd unique index for has_one association in Course::Material","distinct":true,"url":"https://api.github.com/repos/coursemology-collab/coursemology2/commits/0bf1107d2a6320dd09874f9575cf7d88a0f89575"}]}