haskell/esqueleto
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Final touchs on docs.

Browse Source
This commit is contained in:
Felipe Lessa 2013-07-01 11:06:53 -03:00
parent 4b776dd7b6
commit 66e67e1cff
1 changed files with 11 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
src/Database/Esqueleto.hs
View File

@ -322,32 +322,35 @@ import qualified Database.Persist
-- from $ \\p -> do -- from $ \\p -> do
-- where_ (p ^. PersonAge <. just (val 14)) -- where_ (p ^. PersonAge <. just (val 14))
-- @ -- @
-- --
-- The results of queries can also be used for insertions. -- The results of queries can also be used for insertions.
-- In @SQL@, we might write the following, inserting a new blog -- In @SQL@, we might write the following, inserting a new blog
-- post for every user: -- post for every user:
-- --
-- @ -- @
-- INSERT INTO BlogPost -- INSERT INTO BlogPost
-- SELECT ('Group Blog Post', id) -- SELECT ('Group Blog Post', id)
-- FROM Person -- FROM Person
-- @ -- @
-- --
-- In @esqueleto@, we may write the same query above as: -- In @esqueleto@, we may write the same query above as:
-- --
-- @ -- @
-- insertSelect $ from $ \p-> -- insertSelect $ from $ \p->
-- return $ BlogPost \<# \"Group Blog Post\" \<&\> (p ^. PersonId) -- return $ BlogPost \<# \"Group Blog Post\" \<&\> (p ^. PersonId)
-- @ -- @
-- --
-- Individual insertions can be performed through Persistent's -- Individual insertions can be performed through Persistent's
-- 'insert' function, reexported for convenience. -- 'insert' function, reexported for convenience.
---------------------------------------------------------------------- ----------------------------------------------------------------------
-- $reexports -- $reexports
-- --
-- We re-export many symbols from @persistent@ for convenince -- We re-export many symbols from @persistent@ for convenince:
--
-- * \"Store functions\" from "Database.Persist". -- * \"Store functions\" from "Database.Persist".
-- --
-- * Everything from "Database.Persist.Class" except for -- * Everything from "Database.Persist.Class" except for