Mercurial > urweb
view tests/coalesce.ur @ 2109:f42fea631c1d
Improve wildification for records of type-class witnesses
author | Adam Chlipala <adam@chlipala.net> |
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date | Wed, 28 Jan 2015 08:47:04 -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>)