DBLayout.hs

-----------------------------------------------------------
-- |
-- Module      :  DBLayout
-- Copyright   :  HWT Group (c) 2003, haskelldb-users@lists.sourceforge.net
-- License     :  BSD-style
-- 
-- Maintainer  :  haskelldb-users@lists.sourceforge.net
-- Stability   :  experimental
-- Portability :  non-portable
-- 
-- Exports every function needed by DBDirect generated 
-- files
--
-- 
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module Database.HaskellDB.DBLayout
    (
     module Database.HaskellDB.BoundedString,
     module Database.HaskellDB.DBSpec,
     CalendarTime,
     Expr, Table, Attr, baseTable,
     RecCons,RecNil,FieldTag,fieldName,
     hdbMakeEntry,mkAttr,( # ))
    where

import Database.HaskellDB.HDBRec(Record, RecCons, RecNil, FieldTag,
				 fieldName,( # ))
import Database.HaskellDB.BoundedString
import System.Time (CalendarTime)
import Database.HaskellDB.Query (Expr, Table, Attr(..), 
				 baseTable, attribute, (<<))
import Database.HaskellDB.DBSpec
import Database.HaskellDB.FieldType (FieldType(..))

-- | Constructs a table entry from a field tag
hdbMakeEntry :: FieldTag f => 
		f -- ^ Field tag
	     -> Record (RecCons f (Expr a) RecNil)
hdbMakeEntry f = undefined << attribute (fieldName f)

-- | Make an 'Attr' for a field.
mkAttr :: FieldTag f => 
	  f -- ^ Field tag
       -> Attr f a
mkAttr = Attr . fieldName