Mercurial > urweb
view tests/coalesce.ur @ 1768:a613cae954ca
Some standard library additions from Edward Z. Yang
author | Adam Chlipala <adam@chlipala.net> |
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date | Sat, 19 May 2012 11:32:12 -0400 |
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>)