Mercurial > urweb

diff tests/coalesce.ur @ 1602:e44be6ece475

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
COALESCE
author Adam Chlipala <adam@chlipala.net>
date Sat, 19 Nov 2011 10:43:57 -0500
parents
children
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/coalesce.ur	Sat Nov 19 10:43:57 2011 -0500
@@ -0,0 +1,6 @@
+table t : { A : option int }
+
+fun main () : transaction page =
+    queryX (SELECT COALESCE(t.A, 13)
+            FROM t)
+    (fn r => <xml>{[r.1]},</xml>)