{"action":"created","issue":{"url":"https://api.github.com/repos/druid-io/druid/issues/3285","repository_url":"https://api.github.com/repos/druid-io/druid","labels_url":"https://api.github.com/repos/druid-io/druid/issues/3285/labels{/name}","comments_url":"https://api.github.com/repos/druid-io/druid/issues/3285/comments","events_url":"https://api.github.com/repos/druid-io/druid/issues/3285/events","html_url":"https://github.com/druid-io/druid/pull/3285","id":167504606,"number":3285,"title":"Support projection post operator","user":{"login":"navis","id":809395,"avatar_url":"https://avatars.githubusercontent.com/u/809395?v=3","gravatar_id":"","url":"https://api.github.com/users/navis","html_url":"https://github.com/navis","followers_url":"https://api.github.com/users/navis/followers","following_url":"https://api.github.com/users/navis/following{/other_user}","gists_url":"https://api.github.com/users/navis/gists{/gist_id}","starred_url":"https://api.github.com/users/navis/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/navis/subscriptions","organizations_url":"https://api.github.com/users/navis/orgs","repos_url":"https://api.github.com/users/navis/repos","events_url":"https://api.github.com/users/navis/events{/privacy}","received_events_url":"https://api.github.com/users/navis/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":1,"created_at":"2016-07-26T01:56:05Z","updated_at":"2016-07-29T00:57:42Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/druid-io/druid/pulls/3285","html_url":"https://github.com/druid-io/druid/pull/3285","diff_url":"https://github.com/druid-io/druid/pull/3285.diff","patch_url":"https://github.com/druid-io/druid/pull/3285.patch"},"body":"To retain only required columns in result. We can make columns via post-aggregator, etc. but cannot remove column which is not needed or should not be returned."},"comment":{"url":"https://api.github.com/repos/druid-io/druid/issues/comments/236067705","html_url":"https://github.com/druid-io/druid/pull/3285#issuecomment-236067705","issue_url":"https://api.github.com/repos/druid-io/druid/issues/3285","id":236067705,"user":{"login":"navis","id":809395,"avatar_url":"https://avatars.githubusercontent.com/u/809395?v=3","gravatar_id":"","url":"https://api.github.com/users/navis","html_url":"https://github.com/navis","followers_url":"https://api.github.com/users/navis/followers","following_url":"https://api.github.com/users/navis/following{/other_user}","gists_url":"https://api.github.com/users/navis/gists{/gist_id}","starred_url":"https://api.github.com/users/navis/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/navis/subscriptions","organizations_url":"https://api.github.com/users/navis/orgs","repos_url":"https://api.github.com/users/navis/repos","events_url":"https://api.github.com/users/navis/events{/privacy}","received_events_url":"https://api.github.com/users/navis/received_events","type":"User","site_admin":false},"created_at":"2016-07-29T00:57:42Z","updated_at":"2016-07-29T00:57:42Z","body":"example: \r\n```\r\n\"context\": {\r\n   \"postProcessing\" : {\r\n      \"type\": \"projection\",\r\n      \"columns\": [\"column\", \"list\", \"you\", \"want\", \"to\", \"retain\"]\r\n   }\r\n}\r\n```"}}
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