annotate tests/sql_ops.ur @ 2201:1091227f535a

Unnest properly in presence of kind polymorphism
author Adam Chlipala <adam@chlipala.net>
date Sun, 20 Dec 2015 13:41:35 -0500
parents 5d494183ca89
children
rev   line source
adamc@559 1 table t : { A : int, B : float }
adamc@559 2
adamc@559 3 val q = (SELECT t.A + t.A AS X, t.B * t.B AS Y FROM t)
adamc@559 4
adamc@559 5 fun main () : transaction page =
adamc@559 6 xml <- queryX q (fn r => <xml>{[r.X]}, {[r.Y]}<br/></xml>);
adamc@559 7 return <xml><body>{xml}</body></xml>
adamc@559 8