{"action":"opened","issue":{"url":"https://api.github.com/repos/airbnb/caravel/issues/1349","repository_url":"https://api.github.com/repos/airbnb/caravel","labels_url":"https://api.github.com/repos/airbnb/caravel/issues/1349/labels{/name}","comments_url":"https://api.github.com/repos/airbnb/caravel/issues/1349/comments","events_url":"https://api.github.com/repos/airbnb/caravel/issues/1349/events","html_url":"https://github.com/airbnb/caravel/issues/1349","id":183061018,"number":1349,"title":"Question about Druid metadata","user":{"login":"noppanit","id":638379,"avatar_url":"https://avatars.githubusercontent.com/u/638379?v=3","gravatar_id":"","url":"https://api.github.com/users/noppanit","html_url":"https://github.com/noppanit","followers_url":"https://api.github.com/users/noppanit/followers","following_url":"https://api.github.com/users/noppanit/following{/other_user}","gists_url":"https://api.github.com/users/noppanit/gists{/gist_id}","starred_url":"https://api.github.com/users/noppanit/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/noppanit/subscriptions","organizations_url":"https://api.github.com/users/noppanit/orgs","repos_url":"https://api.github.com/users/noppanit/repos","events_url":"https://api.github.com/users/noppanit/events{/privacy}","received_events_url":"https://api.github.com/users/noppanit/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-10-14T14:14:13Z","updated_at":"2016-10-14T14:14:13Z","closed_at":null,"body":"We have a fairly large Druid data. So, to refresh the data takes a quiet a long time. I check Druid documentation and it seems like people recommend using `merge` and `analysisTypes` when querying metadata for faster result. I tried that and it seems to be the case. \r\n\r\nMy question is, currently caravel doesn't support those properties would it be better if Caravel supports that and what would be the impact of that? From what I've seen in the codebase https://github.com/airbnb/caravel/blob/master/caravel/models.py#L1560 it seems like Caravel only cares about`columns`. \r\n\r\nReference:\r\nhttp://druid.io/docs/latest/querying/segmentmetadataquery.html"}}
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