{"action":"created","issue":{"url":"https://api.github.com/repos/mbdavid/LiteDB/issues/268","repository_url":"https://api.github.com/repos/mbdavid/LiteDB","labels_url":"https://api.github.com/repos/mbdavid/LiteDB/issues/268/labels{/name}","comments_url":"https://api.github.com/repos/mbdavid/LiteDB/issues/268/comments","events_url":"https://api.github.com/repos/mbdavid/LiteDB/issues/268/events","html_url":"https://github.com/mbdavid/LiteDB/issues/268","id":170731689,"number":268,"title":"collection.Sum(predicate)","user":{"login":"henon","id":44090,"avatar_url":"https://avatars.githubusercontent.com/u/44090?v=3","gravatar_id":"","url":"https://api.github.com/users/henon","html_url":"https://github.com/henon","followers_url":"https://api.github.com/users/henon/followers","following_url":"https://api.github.com/users/henon/following{/other_user}","gists_url":"https://api.github.com/users/henon/gists{/gist_id}","starred_url":"https://api.github.com/users/henon/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/henon/subscriptions","organizations_url":"https://api.github.com/users/henon/orgs","repos_url":"https://api.github.com/users/henon/repos","events_url":"https://api.github.com/users/henon/events{/privacy}","received_events_url":"https://api.github.com/users/henon/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":1,"created_at":"2016-08-11T19:55:42Z","updated_at":"2016-08-11T20:02:12Z","closed_at":null,"body":"How difficult is it to implement a Sum implementation on BSON document level for summing up numeric fields?"},"comment":{"url":"https://api.github.com/repos/mbdavid/LiteDB/issues/comments/239274616","html_url":"https://github.com/mbdavid/LiteDB/issues/268#issuecomment-239274616","issue_url":"https://api.github.com/repos/mbdavid/LiteDB/issues/268","id":239274616,"user":{"login":"mbdavid","id":1137197,"avatar_url":"https://avatars.githubusercontent.com/u/1137197?v=3","gravatar_id":"","url":"https://api.github.com/users/mbdavid","html_url":"https://github.com/mbdavid","followers_url":"https://api.github.com/users/mbdavid/followers","following_url":"https://api.github.com/users/mbdavid/following{/other_user}","gists_url":"https://api.github.com/users/mbdavid/gists{/gist_id}","starred_url":"https://api.github.com/users/mbdavid/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mbdavid/subscriptions","organizations_url":"https://api.github.com/users/mbdavid/orgs","repos_url":"https://api.github.com/users/mbdavid/repos","events_url":"https://api.github.com/users/mbdavid/events{/privacy}","received_events_url":"https://api.github.com/users/mbdavid/received_events","type":"User","site_admin":false},"created_at":"2016-08-11T20:02:12Z","updated_at":"2016-08-11T20:02:12Z","body":"It´s not too hard. \r\n\r\nLiteCollection must have a `FindKey(Query)` that returns an `IEnumerable<BsonValue>` from indexes keys. With this you can run any aggregation function."}}
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