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diff src/prepare.sml @ 297:59dc042629b9

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pquery working with all four types of columns
author Adam Chlipala <adamc@hcoop.net>
date Sun, 07 Sep 2008 13:29:01 -0400
parents 550100a44cca
children 52d4c60518d4
line wrap: on
line diff
--- a/src/prepare.sml	Sun Sep 07 12:58:33 2008 -0400
+++ b/src/prepare.sml	Sun Sep 07 13:29:01 2008 -0400
@@ -60,6 +60,7 @@
         in
             ((ECon (dk, pc, SOME e), loc), sns)
         end
+      | ENone t => (e, sns)
       | ESome (t, e) =>
         let
             val (e, sns) = prepExp (e, sns)