Mercurial > urweb
view tests/sql_ops.ur @ 1288:fc7ecf8883b1
Some post-type-checking support for polymorphic variants
author | Adam Chlipala <adam@chlipala.net> |
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date | Sat, 21 Aug 2010 10:58:13 -0400 |
parents | 5d494183ca89 |
children |
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table t : { A : int, B : float } val q = (SELECT t.A + t.A AS X, t.B * t.B AS Y FROM t) fun main () : transaction page = xml <- queryX q (fn r => <xml>{[r.X]}, {[r.Y]}<br/></xml>); return <xml><body>{xml}</body></xml>