I changed it, some other problem occured. 1. How to compare a BoolT column to a True? "t!c .<>. True" could not work. 2. What shoud I use after "!"? Like table!col, recordset!col, what is col? Thanks.
On Fri, Jun 19, 2009 at 1:24 PM, Magicloud Magiclouds<magicloud.magiclo...@gmail.com> wrote: > Hi, > I am learning it following the very few documents on its site. Well, > I failed, with the import modules, I still cannot compile it. The > error is on "T.*". > > 6 import Database.HaskellDB.HDBC.SQLite3 > 7 import Database.HaskellDB > 8 import Database.HaskellDB.DBSpec > 9 import Database.HaskellDB.DBSpec.PPHelpers > 10 import Database.HaskellDB.Query > > 48 q = do > 49 t <- table $ Table "notes" [] > 50 restrict ( t!T.done .<>. False ) > 51 r <- project ( T.subject << t!T.subject ) > 52 order [ desc r T.priority > 53 , desc r T.dt ] > 54 return r > -- > 竹密岂妨流水过 > 山高哪阻野云飞 > -- 竹密岂妨流水过 山高哪阻野云飞 _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
