{"comment":{"url":"https://api.github.com/repos/dain/presto/comments/12432508","html_url":"https://github.com/dain/presto/commit/56493af45c2404ab95e90aa03967a9af8d542d63#commitcomment-12432508","id":12432508,"user":{"login":"martint","id":14387,"avatar_url":"https://avatars.githubusercontent.com/u/14387?v=3","gravatar_id":"","url":"https://api.github.com/users/martint","html_url":"https://github.com/martint","followers_url":"https://api.github.com/users/martint/followers","following_url":"https://api.github.com/users/martint/following{/other_user}","gists_url":"https://api.github.com/users/martint/gists{/gist_id}","starred_url":"https://api.github.com/users/martint/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/martint/subscriptions","organizations_url":"https://api.github.com/users/martint/orgs","repos_url":"https://api.github.com/users/martint/repos","events_url":"https://api.github.com/users/martint/events{/privacy}","received_events_url":"https://api.github.com/users/martint/received_events","type":"User","site_admin":false},"position":392,"line":228,"path":"presto-main/src/main/java/com/facebook/presto/execution/SqlStageExecution.java","commit_id":"56493af45c2404ab95e90aa03967a9af8d542d63","created_at":"2015-07-29T22:29:42Z","updated_at":"2015-07-29T22:29:42Z","body":"At some point, we should should add an abstraction to manage this (e.g., `VersionedValue`) . We do similar behavior in multiple places, if I recall correctly."}}