{"push_id":1061993284,"size":1,"distinct_size":1,"ref":"refs/heads/master","head":"beb30b4c6ae6ec29de24ef0f1036e87f5f748033","before":"6e7139616ff8d4c5ff61e0d59bae275903d68ddb","commits":[{"sha":"beb30b4c6ae6ec29de24ef0f1036e87f5f748033","author":{"email":"65aa4478ce14f76fe2cde6b935f3e1c323bc1a94@cs.wisc.edu","name":"Jianqiao Zhu"},"message":"Optimizer support for the EXISTS subquery. (#154)","distinct":true,"url":"https://api.github.com/repos/pivotalsoftware/quickstep/commits/beb30b4c6ae6ec29de24ef0f1036e87f5f748033"}]}