{-# OPTIONS_GHC -fno-warn-orphans #-}
{-# LANGUAGE TemplateHaskell #-}
{-# LANGUAGE MultiParamTypeClasses #-}
module Database.HDBC.Schema.SQLServer (
driverSQLServer,
) where
import qualified Database.Relational.Schema.SQLServer.Columns as Columns
import qualified Database.Relational.Schema.SQLServer.Types as Types
import Control.Applicative ((<$>), (<|>))
import Control.Monad (guard)
import Control.Monad.Trans.Class (lift)
import Control.Monad.Trans.Maybe (MaybeT)
import Data.Map (fromList)
import Data.Maybe (catMaybes)
import Database.HDBC (IConnection, SqlValue)
import Database.HDBC.Record.Query (runQuery')
import Database.HDBC.Record.Persistable ()
import Database.HDBC.Schema.Driver
(TypeMap, LogChan, putVerbose, failWith, maybeIO, hoistMaybe,
Driver, driverConfig, getFieldsWithMap, getPrimaryKey, emptyDriver)
import Database.Record (FromSql, ToSql)
import Database.Relational.Schema.SQLServer (columnTypeQuerySQL, getType, normalizeColumn,
notNull, primaryKeyQuerySQL)
import Database.Relational.Schema.SQLServer.Columns (Columns)
import Database.Relational.Schema.SQLServer.Types (Types)
import Database.Relational.Schema.SQLServer (config)
import Language.Haskell.TH (TypeQ)
instance FromSql SqlValue Columns
instance ToSql SqlValue Columns
instance FromSql SqlValue Types
instance ToSql SqlValue Types
logPrefix :: String -> String
logPrefix :: String -> String
logPrefix = (String
"SQLServer: " forall a. [a] -> [a] -> [a]
++)
putLog :: LogChan -> String -> IO ()
putLog :: LogChan -> String -> IO ()
putLog LogChan
lchan = LogChan -> String -> IO ()
putVerbose LogChan
lchan forall b c a. (b -> c) -> (a -> b) -> a -> c
. String -> String
logPrefix
compileError :: LogChan -> String -> MaybeT IO a
compileError :: forall a. LogChan -> String -> MaybeT IO a
compileError LogChan
lchan = forall a. LogChan -> String -> MaybeT IO a
failWith LogChan
lchan forall b c a. (b -> c) -> (a -> b) -> a -> c
. String -> String
logPrefix
getPrimaryKey' :: IConnection conn
=> conn
-> LogChan
-> String
-> String
-> IO [String]
getPrimaryKey' :: forall conn.
IConnection conn =>
conn -> LogChan -> String -> String -> IO [String]
getPrimaryKey' conn
conn LogChan
lchan String
scm String
tbl = do
[String]
prims <- forall a. [Maybe a] -> [a]
catMaybes forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> forall conn p a.
(IConnection conn, ToSql SqlValue p, FromSql SqlValue a) =>
conn -> Query p a -> p -> IO [a]
runQuery' conn
conn Query (String, String) (Maybe String)
primaryKeyQuerySQL (String
scm,String
tbl)
let primColumns :: [String]
primColumns = forall a b. (a -> b) -> [a] -> [b]
map String -> String
normalizeColumn [String]
prims
LogChan -> String -> IO ()
putLog LogChan
lchan forall a b. (a -> b) -> a -> b
$ String
"getPrimaryKey: keys=" forall a. [a] -> [a] -> [a]
++ forall a. Show a => a -> String
show [String]
primColumns
forall (m :: * -> *) a. Monad m => a -> m a
return [String]
primColumns
getColumns' :: IConnection conn
=> TypeMap
-> conn
-> LogChan
-> String
-> String
-> IO ([(String, TypeQ)], [Int])
getColumns' :: forall conn.
IConnection conn =>
TypeMap
-> conn -> LogChan -> String -> String -> IO (TypeMap, [Int])
getColumns' TypeMap
tmap conn
conn LogChan
lchan String
scm String
tbl = forall b a. b -> (a -> b) -> MaybeT IO a -> IO b
maybeIO ([], []) forall a. a -> a
id forall a b. (a -> b) -> a -> b
$ do
[((Columns, Types), String)]
rows <- forall (t :: (* -> *) -> * -> *) (m :: * -> *) a.
(MonadTrans t, Monad m) =>
m a -> t m a
lift forall a b. (a -> b) -> a -> b
$ forall conn p a.
(IConnection conn, ToSql SqlValue p, FromSql SqlValue a) =>
conn -> Query p a -> p -> IO [a]
runQuery' conn
conn Query (String, String) ((Columns, Types), String)
columnTypeQuerySQL (String
scm, String
tbl)
forall (f :: * -> *). Alternative f => Bool -> f ()
guard (Bool -> Bool
not forall a b. (a -> b) -> a -> b
$ forall (t :: * -> *) a. Foldable t => t a -> Bool
null [((Columns, Types), String)]
rows) forall (f :: * -> *) a. Alternative f => f a -> f a -> f a
<|>
forall a. LogChan -> String -> MaybeT IO a
compileError LogChan
lchan
(String
"getFields: No columns found: schema = " forall a. [a] -> [a] -> [a]
++ String
scm forall a. [a] -> [a] -> [a]
++ String
", table = " forall a. [a] -> [a] -> [a]
++ String
tbl)
let columnId :: ((Columns, b), b) -> Int32
columnId ((Columns
cols,b
_),b
_) = Columns -> Int32
Columns.columnId Columns
cols forall a. Num a => a -> a -> a
- Int32
1
let notNullIdxs :: [Int]
notNullIdxs = forall a b. (a -> b) -> [a] -> [b]
map (forall a b. (Integral a, Num b) => a -> b
fromIntegral forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall {b} {b}. ((Columns, b), b) -> Int32
columnId) forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall a. (a -> Bool) -> [a] -> [a]
filter ((Columns, Types), String) -> Bool
notNull forall a b. (a -> b) -> a -> b
$ [((Columns, Types), String)]
rows
forall (t :: (* -> *) -> * -> *) (m :: * -> *) a.
(MonadTrans t, Monad m) =>
m a -> t m a
lift forall b c a. (b -> c) -> (a -> b) -> a -> c
. LogChan -> String -> IO ()
putLog LogChan
lchan
forall a b. (a -> b) -> a -> b
$ String
"getFields: num of columns = " forall a. [a] -> [a] -> [a]
++ forall a. Show a => a -> String
show (forall (t :: * -> *) a. Foldable t => t a -> Int
length [((Columns, Types), String)]
rows)
forall a. [a] -> [a] -> [a]
++ String
", not null columns = " forall a. [a] -> [a] -> [a]
++ forall a. Show a => a -> String
show [Int]
notNullIdxs
let getType' :: ((Columns, Types), String) -> MaybeT IO (String, TypeQ)
getType' rec' :: ((Columns, Types), String)
rec'@((Columns
_,Types
typs),String
typScms) =
forall (m :: * -> *) a. Monad m => Maybe a -> MaybeT m a
hoistMaybe (Map String TypeQ
-> ((Columns, Types), String) -> Maybe (String, TypeQ)
getType (forall k a. Ord k => [(k, a)] -> Map k a
fromList TypeMap
tmap) ((Columns, Types), String)
rec') forall (f :: * -> *) a. Alternative f => f a -> f a -> f a
<|>
forall a. LogChan -> String -> MaybeT IO a
compileError LogChan
lchan
(String
"Type mapping is not defined against SQLServer type: "
forall a. [a] -> [a] -> [a]
++ String
typScms forall a. [a] -> [a] -> [a]
++ String
"." forall a. [a] -> [a] -> [a]
++ Types -> String
Types.name Types
typs)
TypeMap
types <- forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM ((Columns, Types), String) -> MaybeT IO (String, TypeQ)
getType' [((Columns, Types), String)]
rows
forall (m :: * -> *) a. Monad m => a -> m a
return (TypeMap
types, [Int]
notNullIdxs)
driverSQLServer :: IConnection conn => Driver conn
driverSQLServer :: forall conn. IConnection conn => Driver conn
driverSQLServer =
forall conn. IConnection conn => Driver conn
emptyDriver { getFieldsWithMap :: TypeMap
-> conn -> LogChan -> String -> String -> IO (TypeMap, [Int])
getFieldsWithMap = forall conn.
IConnection conn =>
TypeMap
-> conn -> LogChan -> String -> String -> IO (TypeMap, [Int])
getColumns' }
{ getPrimaryKey :: conn -> LogChan -> String -> String -> IO [String]
getPrimaryKey = forall conn.
IConnection conn =>
conn -> LogChan -> String -> String -> IO [String]
getPrimaryKey' }
{ driverConfig :: Config
driverConfig = Config
config }