{"action":"created","issue":{"url":"https://api.github.com/repos/facebook/presto/issues/2349","labels_url":"https://api.github.com/repos/facebook/presto/issues/2349/labels{/name}","comments_url":"https://api.github.com/repos/facebook/presto/issues/2349/comments","events_url":"https://api.github.com/repos/facebook/presto/issues/2349/events","html_url":"https://github.com/facebook/presto/issues/2349","id":57286442,"number":2349,"title":"How the datas get joined?","user":{"login":"aslldab1","id":1578682,"avatar_url":"https://avatars.githubusercontent.com/u/1578682?v=3","gravatar_id":"","url":"https://api.github.com/users/aslldab1","html_url":"https://github.com/aslldab1","followers_url":"https://api.github.com/users/aslldab1/followers","following_url":"https://api.github.com/users/aslldab1/following{/other_user}","gists_url":"https://api.github.com/users/aslldab1/gists{/gist_id}","starred_url":"https://api.github.com/users/aslldab1/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/aslldab1/subscriptions","organizations_url":"https://api.github.com/users/aslldab1/orgs","repos_url":"https://api.github.com/users/aslldab1/repos","events_url":"https://api.github.com/users/aslldab1/events{/privacy}","received_events_url":"https://api.github.com/users/aslldab1/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":3,"created_at":"2015-02-11T07:56:39Z","updated_at":"2015-02-26T17:54:40Z","closed_at":"2015-02-11T18:19:15Z","body":"After fetching data from nodes, presto need to join the data with join method like `sort merge join`. How much join method do presto support and how to choose join methods? Is there any documents about this question?"},"comment":{"url":"https://api.github.com/repos/facebook/presto/issues/comments/76228673","html_url":"https://github.com/facebook/presto/issues/2349#issuecomment-76228673","issue_url":"https://api.github.com/repos/facebook/presto/issues/2349","id":76228673,"user":{"login":"aslldab1","id":1578682,"avatar_url":"https://avatars.githubusercontent.com/u/1578682?v=3","gravatar_id":"","url":"https://api.github.com/users/aslldab1","html_url":"https://github.com/aslldab1","followers_url":"https://api.github.com/users/aslldab1/followers","following_url":"https://api.github.com/users/aslldab1/following{/other_user}","gists_url":"https://api.github.com/users/aslldab1/gists{/gist_id}","starred_url":"https://api.github.com/users/aslldab1/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/aslldab1/subscriptions","organizations_url":"https://api.github.com/users/aslldab1/orgs","repos_url":"https://api.github.com/users/aslldab1/repos","events_url":"https://api.github.com/users/aslldab1/events{/privacy}","received_events_url":"https://api.github.com/users/aslldab1/received_events","type":"User","site_admin":false},"created_at":"2015-02-26T17:54:40Z","updated_at":"2015-02-26T17:54:40Z","body":"I want to use cost model to estimate cost of join operation in presto."}}