{"action":"created","issue":{"url":"https://api.github.com/repos/jw2013/elixir-china/issues/46","labels_url":"https://api.github.com/repos/jw2013/elixir-china/issues/46/labels{/name}","comments_url":"https://api.github.com/repos/jw2013/elixir-china/issues/46/comments","events_url":"https://api.github.com/repos/jw2013/elixir-china/issues/46/events","html_url":"https://github.com/jw2013/elixir-china/pull/46","id":54093347,"number":46,"title":"use ecto 0.5","user":{"login":"lidashuang","id":612381,"avatar_url":"https://avatars.githubusercontent.com/u/612381?v=3","gravatar_id":"","url":"https://api.github.com/users/lidashuang","html_url":"https://github.com/lidashuang","followers_url":"https://api.github.com/users/lidashuang/followers","following_url":"https://api.github.com/users/lidashuang/following{/other_user}","gists_url":"https://api.github.com/users/lidashuang/gists{/gist_id}","starred_url":"https://api.github.com/users/lidashuang/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/lidashuang/subscriptions","organizations_url":"https://api.github.com/users/lidashuang/orgs","repos_url":"https://api.github.com/users/lidashuang/repos","events_url":"https://api.github.com/users/lidashuang/events{/privacy}","received_events_url":"https://api.github.com/users/lidashuang/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":2,"created_at":"2015-01-12T19:08:07Z","updated_at":"2015-01-13T11:46:52Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/jw2013/elixir-china/pulls/46","html_url":"https://github.com/jw2013/elixir-china/pull/46","diff_url":"https://github.com/jw2013/elixir-china/pull/46.diff","patch_url":"https://github.com/jw2013/elixir-china/pull/46.patch"},"body":""},"comment":{"url":"https://api.github.com/repos/jw2013/elixir-china/issues/comments/69732900","html_url":"https://github.com/jw2013/elixir-china/pull/46#issuecomment-69732900","issue_url":"https://api.github.com/repos/jw2013/elixir-china/issues/46","id":69732900,"user":{"login":"lidashuang","id":612381,"avatar_url":"https://avatars.githubusercontent.com/u/612381?v=3","gravatar_id":"","url":"https://api.github.com/users/lidashuang","html_url":"https://github.com/lidashuang","followers_url":"https://api.github.com/users/lidashuang/followers","following_url":"https://api.github.com/users/lidashuang/following{/other_user}","gists_url":"https://api.github.com/users/lidashuang/gists{/gist_id}","starred_url":"https://api.github.com/users/lidashuang/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/lidashuang/subscriptions","organizations_url":"https://api.github.com/users/lidashuang/orgs","repos_url":"https://api.github.com/users/lidashuang/repos","events_url":"https://api.github.com/users/lidashuang/events{/privacy}","received_events_url":"https://api.github.com/users/lidashuang/received_events","type":"User","site_admin":false},"created_at":"2015-01-13T11:46:52Z","updated_at":"2015-01-13T11:46:52Z","body":"1的话应该是默认值的问题，我看看ecto能设默认值不，或者在poostgresql加,\r\n其它的问题估计也是类似，我去看看\r\n```\r\niex(1)> nil + 3\r\n** (ArithmeticError) bad argument in arithmetic expression\r\n    :erlang.+(nil, 3)\r\niex(1)>\r\n```"}}