Mercurial > urweb
view tests/coalesce.ur @ 2092:d4eb9b6729f8
Another try at a proper fix for constraint matching in subsignature checking
author | Adam Chlipala <adam@chlipala.net> |
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date | Tue, 23 Dec 2014 11:23:27 -0500 |
parents | e44be6ece475 |
children |
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table t : { A : option int } fun main () : transaction page = queryX (SELECT COALESCE(t.A, 13) FROM t) (fn r => <xml>{[r.1]},</xml>)