haskell/esqueleto
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22 Commits

Author SHA1 Message Date
Felipe Lessa
bb7775b672 Create a separate sqlSelectColCount. 2012-09-04 00:45:16 -03:00
Felipe Lessa
57c3b403d5 Avoid undefined. 2012-09-04 00:29:39 -03:00
Felipe Lessa
dc6bcda8e4 Correctly consume connection resources. 2012-09-04 00:27:47 -03:00
Felipe Lessa
7ebb2d87bf Throw PersistMarshalError instead of using fail. 2012-09-04 00:27:18 -03:00
Felipe Lessa
fdf9985142 Fix parens (silly bug). 2012-09-03 23:13:51 -03:00
Felipe Lessa
979ea1c6d1 Write FROM on the queries. 2012-09-03 23:13:40 -03:00
Felipe Lessa
670eebbc96 fromSingle is internal. 2012-09-03 23:13:19 -03:00
Felipe Lessa
1230245749 Manually avoid spurious warnings. 
http://hackage.haskell.org/trac/ghc/ticket/6124
 2012-09-03 21:40:28 -03:00
Felipe Lessa
ea4a58a970 Do not export internal functions from Database.Esqueleto. 2012-09-03 21:33:35 -03:00
Felipe Lessa
e1118c7676 Better re-exports (and improved docs). 2012-09-03 18:52:10 -03:00
Felipe Lessa
217b03d22e Export selectSource. 2012-09-03 18:45:20 -03:00
Felipe Lessa
531ca905fd Steal code from rawSql and stop using it. 
Unfortunately we can't use rawSql, since we need explicit control
of the SELECT (i.e. we can't use "??").
 2012-09-03 18:43:17 -03:00
Felipe Lessa
2986d0996e Nicer 'from' interface. 
Instead of

  select $ do
    (x,y,z) <- from
    where_ (z^.f ==. y^.f)
    return (x, y^.f, z)

now you may write

  select $
  from $ \(x,y,z) -> do
    where_ (z^.f ==. y^.f)
    return (x, y^.f, z)

Now the only difference in reading order wrt. SQL is the return
on the bottom of the expression. =)

Note that this does not change at all the expressivity of the
language since

  oldFrom = from return
 2012-09-03 17:03:07 -03:00
Felipe Lessa
5bdac55e90 Remove test code from Esqueleto.hs. 2012-09-03 17:02:49 -03:00
Felipe Lessa
3330e6c4ee Doc improvements. 2012-09-03 16:39:01 -03:00
Felipe Lessa
dd417a98e2 Some package re-exports from Esqueleto. 2012-09-03 16:26:42 -03:00
Felipe Lessa
b189791dc3 Use fundeps on SqlSelect. 
This allows GHC to infer the type of from by the return of
select.
 2012-09-03 16:26:02 -03:00
Felipe Lessa
33d04d5f27 Implement sub. 2012-09-03 15:57:20 -03:00
Felipe Lessa
fe7a32e7e4 Pass escaping function as argument to ERaw (instead of Connection). 2012-09-03 15:53:38 -03:00
Felipe Lessa
a4bd0268aa Change ERaw, more dependent on Connection. 2012-09-03 15:51:12 -03:00
Felipe Lessa
aba36832f6 Second prototype, now using finally tagless style. 2012-09-03 15:42:28 -03:00
Felipe Lessa
acc119e61f Initial skeleton. 2012-09-03 11:38:22 -03:00