{"action":"created","comment":{"url":"https://api.github.com/repos/cockroachdb/cockroach/pulls/comments/40495744","id":40495744,"diff_hunk":"@@ -493,10 +508,16 @@ func DecodeIfNull(b []byte) ([]byte, bool) {\n // empty string encoding, so do not use this routine where it is necessary to\n // distinguish not-NULL from the empty string.\n func DecodeIfNotNull(b []byte) ([]byte, bool) {\n-\tr := bytes.TrimPrefix(b, encodedNotNull)\n-\treturn r, len(r) < len(b)\n+\tif len(b) >= 1 && b[0] == encodedNotNull {","path":"util/encoding/encoding.go","position":244,"original_position":244,"commit_id":"60992109961ef4e5638d122bfbf2c5f238d8e887","original_commit_id":"60992109961ef4e5638d122bfbf2c5f238d8e887","user":{"login":"petermattis","id":6201335,"avatar_url":"https://avatars.githubusercontent.com/u/6201335?v=3","gravatar_id":"","url":"https://api.github.com/users/petermattis","html_url":"https://github.com/petermattis","followers_url":"https://api.github.com/users/petermattis/followers","following_url":"https://api.github.com/users/petermattis/following{/other_user}","gists_url":"https://api.github.com/users/petermattis/gists{/gist_id}","starred_url":"https://api.github.com/users/petermattis/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/petermattis/subscriptions","organizations_url":"https://api.github.com/users/petermattis/orgs","repos_url":"https://api.github.com/users/petermattis/repos","events_url":"https://api.github.com/users/petermattis/events{/privacy}","received_events_url":"https://api.github.com/users/petermattis/received_events","type":"User","site_admin":false},"body":"Done on the `PeekType` usage. \r\n\r\nPlumbing through error handling everywhere these methods are used will be irritating. And I don't think I've ever seen these panics fire. I have seen other panics from the SQL code (e.g. index out of bounds). 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