Mercurial > urweb
diff lib/ur/top.ur @ 1006:5a0f6ec208ce
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author | Adam Chlipala <adamc@hcoop.net> |
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date | Thu, 22 Oct 2009 11:15:37 -0400 |
parents | a87495bcaeec |
children | 5d9f47124c4c |
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--- a/lib/ur/top.ur Tue Oct 20 13:08:42 2009 -0400 +++ b/lib/ur/top.ur Thu Oct 22 11:15:37 2009 -0400 @@ -246,6 +246,11 @@ (fn fs _ => return (Some fs.nm)) None +fun oneOrNoRowsE1 [tab ::: Name] [nm ::: Name] [t ::: Type] [[tab] ~ [nm]] (q : sql_query [tab = []] [nm = t]) = + query q + (fn fs _ => return (Some fs.nm)) + None + fun oneRow [tables ::: {{Type}}] [exps ::: {Type}] [tables ~ exps] (q : sql_query tables exps) = o <- oneOrNoRows q;