Mercurial > urweb

annotate tests/coalesce.ur @ 1768:a613cae954ca

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Some standard library additions from Edward Z. Yang
author Adam Chlipala <adam@chlipala.net>
date Sat, 19 May 2012 11:32:12 -0400
parents e44be6ece475
children
rev   line source
adam@1602 1 table t : { A : option int }
adam@1602 2
adam@1602 3 fun main () : transaction page =
adam@1602 4 queryX (SELECT COALESCE(t.A, 13)
adam@1602 5 FROM t)
adam@1602 6 (fn r => <xml>{[r.1]},</xml>)