{"action":"created","issue":{"url":"https://api.github.com/repos/movingname/ddbsim/issues/15","labels_url":"https://api.github.com/repos/movingname/ddbsim/issues/15/labels{/name}","comments_url":"https://api.github.com/repos/movingname/ddbsim/issues/15/comments","events_url":"https://api.github.com/repos/movingname/ddbsim/issues/15/events","html_url":"https://github.com/movingname/ddbsim/issues/15","id":54082033,"number":15,"title":"CQP sometime performs better than central planning","user":{"login":"movingname","id":3957121,"avatar_url":"https://avatars.githubusercontent.com/u/3957121?v=3","gravatar_id":"","url":"https://api.github.com/users/movingname","html_url":"https://github.com/movingname","followers_url":"https://api.github.com/users/movingname/followers","following_url":"https://api.github.com/users/movingname/following{/other_user}","gists_url":"https://api.github.com/users/movingname/gists{/gist_id}","starred_url":"https://api.github.com/users/movingname/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/movingname/subscriptions","organizations_url":"https://api.github.com/users/movingname/orgs","repos_url":"https://api.github.com/users/movingname/repos","events_url":"https://api.github.com/users/movingname/events{/privacy}","received_events_url":"https://api.github.com/users/movingname/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/movingname/ddbsim/labels/bug","name":"bug","color":"fc2929"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-01-12T17:29:55Z","updated_at":"2015-01-12T17:32:07Z","closed_at":null,"body":"\r\nBug input:\r\n\r\nCQPAbnormalQuery1.ser\r\nCQPAbnormalTestPara1.ser\r\n\r\nPossible causes:\r\n\r\nInconsistency of stats between the parent query and the sub query.\r\n\r\nWe should translate all tableID in sub query plan to parents'. So we simply go through the tree.\r\n\r\nThe CQP creates some plans that violates some policies.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n"},"comment":{"url":"https://api.github.com/repos/movingname/ddbsim/issues/comments/69609348","html_url":"https://github.com/movingname/ddbsim/issues/15#issuecomment-69609348","issue_url":"https://api.github.com/repos/movingname/ddbsim/issues/15","id":69609348,"user":{"login":"movingname","id":3957121,"avatar_url":"https://avatars.githubusercontent.com/u/3957121?v=3","gravatar_id":"","url":"https://api.github.com/users/movingname","html_url":"https://github.com/movingname","followers_url":"https://api.github.com/users/movingname/followers","following_url":"https://api.github.com/users/movingname/following{/other_user}","gists_url":"https://api.github.com/users/movingname/gists{/gist_id}","starred_url":"https://api.github.com/users/movingname/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/movingname/subscriptions","organizations_url":"https://api.github.com/users/movingname/orgs","repos_url":"https://api.github.com/users/movingname/repos","events_url":"https://api.github.com/users/movingname/events{/privacy}","received_events_url":"https://api.github.com/users/movingname/received_events","type":"User","site_admin":false},"created_at":"2015-01-12T17:32:07Z","updated_at":"2015-01-12T17:32:07Z","body":"One temporary patch is to adjust the cost of CQP to central whenever this case happens."}}