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diff src/compiler.sml @ 1394:d328983dc5a6

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Allow subqueries to reference aggregate-only columns of free tables; treat non-COUNT aggregate functions as possibly returning NULL
author Adam Chlipala <adam@chlipala.net>
date Sat, 15 Jan 2011 14:53:13 -0500
parents 802c179dac1f
children 115d217bbfbc
line wrap: on
line diff
--- a/src/compiler.sml	Thu Jan 13 18:15:04 2011 -0500
+++ b/src/compiler.sml	Sat Jan 15 14:53:13 2011 -0500
@@ -1311,9 +1311,15 @@
                 (compile, link)
 
         val link = foldl (fn (s, link) => link ^ " " ^ s) link link'
+
+        fun system s =
+            (if debug then
+                 print (s ^ "\n")
+             else
+                 ();
+             OS.Process.isSuccess (OS.Process.system s))
     in
-        OS.Process.isSuccess (OS.Process.system compile)
-        andalso OS.Process.isSuccess (OS.Process.system link)
+        system compile andalso system link
     end
 
 fun compile job =