{"action":"created","comment":{"url":"https://api.github.com/repos/cockroachdb/cockroach/pulls/comments/40242040","id":40242040,"diff_hunk":"@@ -269,6 +269,19 @@ func TestEvalExpr(t *testing.T) {\n \t\t{`'1h'::interval - '12h2m1s23ms'::interval`, `-11h2m1.023s`},\n \t\t{`3 * '1h2m'::interval * 3`, `9h18m0s`},\n \t\t{`'3h'::interval / 2`, `1h30m0s`},\n+\t\t// Conditional expressions.\n+\t\t{`IF(true, 1, 2/0)`, `1`},\n+\t\t{`IF(false, 1/0, 2)`, `2`},\n+\t\t{`IF(NULL, 1/0, 2)`, `2`},\n+\t\t{`NULLIF(1, 1)`, `NULL`},\n+\t\t{`NULLIF(1, 2)`, `1`},\n+\t\t{`NULLIF(2, 1)`, `2`},\n+\t\t{`IFNULL(1, 2/0)`, `1`},\n+\t\t{`IFNULL(NULL, 2)`, `2`},\n+\t\t{`IFNULL(1, NULL)`, `1`},\n+\t\t{`COALESCE(1, 2, 3, 4/0)`, `1`},\n+\t\t{`COALESCE(NULL, 2, 3, 4/0)`, `2`},\n+\t\t{`COALESCE(NULL, NULL, NULL, 4)`, `4`},","path":"sql/parser/eval_test.go","position":16,"original_position":16,"commit_id":"4655145fdd3600568e21977a835e21ec6f8d1856","original_commit_id":"4655145fdd3600568e21977a835e21ec6f8d1856","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":"Oops. Added.","created_at":"2015-09-23T18:49:56Z","updated_at":"2015-09-23T18:49:56Z","html_url":"https://github.com/cockroachdb/cockroach/pull/2634#discussion_r40242040","pull_request_url":"https://api.github.com/repos/cockroachdb/cockroach/pulls/2634","_links":{"self":{"href":"https://api.github.com/repos/cockroachdb/cockroach/pulls/comments/40242040"},"html":{"href":"https://github.com/cockroachdb/cockroach/pull/2634#discussion_r40242040"},"pull_request":{"href":"https://api.github.com/repos/cockroachdb/cockroach/pulls/2634"}}},"pull_request":{"url":"https://api.github.com/repos/cockroachdb/cockroach/pulls/2634","id":45782335,"html_url":"https://github.com/cockroachdb/cockroach/pull/2634","diff_url":"https://github.com/cockroachdb/cockroach/pull/2634.diff","patch_url":"https://github.com/cockroachdb/cockroach/pull/2634.patch","issue_url":"https://api.github.com/repos/cockroachdb/cockroach/issues/2634","number":2634,"state":"open","locked":false,"title":"Add support for conditional functions: IF, IFNULL, NULLIF and COALESCE.","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":"Conditional functions differ 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