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35 Commits

Author SHA1 Message Date
Felipe Lessa
c41a7dd464 Avoid using AS as much as possible. 2012-09-05 20:33:32 -03:00
Felipe Lessa
f84304deb8 Inline getConnection. 2012-09-05 19:19:28 -03:00
Felipe Lessa
dad271a75a Prettify LANGUAGE pragmas. 2012-09-05 19:16:28 -03:00
Felipe Lessa
9a24c7774c Allow SELECT DISTINCT queries as well. 2012-09-05 19:14:03 -03:00
Felipe Lessa
0c694e92a5 On collectOnClauses, match from clauses in the correct order. 
Previously it tried matching on the right branch just after
matching on the current node, which means that on the default
right fixity everything was reversed.

Note: SQLite didn't give any error messages for this bug!
 2012-09-05 16:53:55 -03:00
Felipe Lessa
c0f5993be7 Correctly parenthesize and put ON clauses. 2012-09-05 16:47:33 -03:00
Felipe Lessa
8973d650a4 Allow ON clauses on sub-JOINs. 2012-09-05 16:47:15 -03:00
Felipe Lessa
7bb68cc233 Allow any parenthesization of JOINs. 2012-09-05 15:55:59 -03:00
Felipe Lessa
1e19d8625b Implement JOIN and ON clauses. Also add (?.). 2012-09-05 15:38:14 -03:00
Felipe Lessa
80d60bb9b6 Avoid using capitalized "Esqueleto" when referring to the library. 2012-09-04 18:37:02 -03:00
Felipe Lessa
31b4b0669f orderBy, asc, desc. 2012-09-04 18:12:40 -03:00
Felipe Lessa
c601613162 isNothing, just, nothing. 2012-09-04 18:12:25 -03:00
Felipe Lessa
df8279b306 Re-export all of GenericSql from Esqueleto. 2012-09-04 01:01:56 -03:00
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