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diff tests/window.ur @ 1777:59b07fdae1ff

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Partitioning and ordering for window functions
author Adam Chlipala <adam@chlipala.net>
date Sat, 02 Jun 2012 16:47:09 -0400
parents 8f28c3295148
children 818d4097e2ed
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--- a/tests/window.ur	Sat Jun 02 16:00:50 2012 -0400
+++ b/tests/window.ur	Sat Jun 02 16:47:09 2012 -0400
@@ -3,9 +3,11 @@
                    Salary : int }
 
 fun main () : transaction page =
-    x <- queryX (SELECT empsalary.Depname, empsalary.Empno, empsalary.Salary, RANK() AS R
+    x <- queryX (SELECT empsalary.Depname, empsalary.Empno, empsalary.Salary,
+                   RANK() OVER (PARTITION BY empsalary.Depname ORDER BY empsalary.Salary DESC) AS R,
+                   AVG(empsalary.Salary) OVER (PARTITION BY empsalary.Depname) AS A
                  FROM empsalary)
-                (fn r => <xml>{[r.Empsalary.Depname]}, {[r.Empsalary.Empno]}, {[r.Empsalary.Salary]}, {[r.R]}<br/></xml>);
+                (fn r => <xml>{[r.Empsalary.Depname]}, {[r.Empsalary.Empno]}, {[r.Empsalary.Salary]}, {[r.R]}, {[r.A]}<br/></xml>);
     return <xml><body>
       {x}
     </body></xml>