{"action":"opened","issue":{"url":"https://api.github.com/repos/GoogleCloudPlatform/DataflowJavaSDK/issues/44","labels_url":"https://api.github.com/repos/GoogleCloudPlatform/DataflowJavaSDK/issues/44/labels{/name}","comments_url":"https://api.github.com/repos/GoogleCloudPlatform/DataflowJavaSDK/issues/44/comments","events_url":"https://api.github.com/repos/GoogleCloudPlatform/DataflowJavaSDK/issues/44/events","html_url":"https://github.com/GoogleCloudPlatform/DataflowJavaSDK/issues/44","id":94053652,"number":44,"title":"Enabling projection on columns","user":{"login":"q42jaap","id":114642,"avatar_url":"https://avatars.githubusercontent.com/u/114642?v=3","gravatar_id":"","url":"https://api.github.com/users/q42jaap","html_url":"https://github.com/q42jaap","followers_url":"https://api.github.com/users/q42jaap/followers","following_url":"https://api.github.com/users/q42jaap/following{/other_user}","gists_url":"https://api.github.com/users/q42jaap/gists{/gist_id}","starred_url":"https://api.github.com/users/q42jaap/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/q42jaap/subscriptions","organizations_url":"https://api.github.com/users/q42jaap/orgs","repos_url":"https://api.github.com/users/q42jaap/repos","events_url":"https://api.github.com/users/q42jaap/events{/privacy}","received_events_url":"https://api.github.com/users/q42jaap/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-07-09T13:52:02Z","updated_at":"2015-07-09T13:52:02Z","closed_at":null,"body":"As you pay per processed column in BigQuery, projection should be implemented in the BigQuery reader. This might significantly reduce costs when working with large rows, when you only need a small subset of columns."}}