diff --git a/LICENSE b/LICENSE
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--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,30 @@
+Copyright Daniel YU (c) 2018
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+
+    * Neither the name of Daniel YU nor the names of other
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/README.md b/README.md
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--- /dev/null
+++ b/README.md
@@ -0,0 +1,1 @@
+# yam-transaction-odbc
diff --git a/Setup.hs b/Setup.hs
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--- /dev/null
+++ b/Setup.hs
@@ -0,0 +1,2 @@
+import           Distribution.Simple
+main = defaultMain
diff --git a/src/Yam/Transaction/ODBC.hs b/src/Yam/Transaction/ODBC.hs
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--- /dev/null
+++ b/src/Yam/Transaction/ODBC.hs
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+{-# LANGUAGE DataKinds         #-}
+{-# LANGUAGE KindSignatures    #-}
+{-# LANGUAGE OverloadedStrings #-}
+
+module Yam.Transaction.ODBC where
+
+import           Yam.Import
+import           Yam.Logger.MonadLogger
+import           Yam.Transaction
+
+import qualified Data.Map               as M
+import           Database.Persist.ODBC
+import           GHC.TypeLits
+import           System.Environment     (setEnv)
+
+data ODBC (db :: Symbol)
+
+instance KnownSymbol db => HasDataSource (ODBC db)  where
+  connector p logger ds a = do
+    let mayMap = do map <- extra ds
+                    M.lookup "NLS_LANG" map
+    case mayMap of
+      Nothing -> error "DataSource extra.NLS_LANG not set"
+      Just m  -> liftIO $ setEnv "NLS_LANG" $ cs m
+    runLoggingT (withODBCPool (toDbTp $ symbolVal $ toP p) (cs $ conn ds) (thread ds) (lift.a)) logger
+    where toP :: KnownSymbol db => Proxy (ODBC db) -> Proxy db
+          toP _ = Proxy
+          toDbTp :: String -> Maybe DBType
+          toDbTp "oracle12c" = Just (Oracle True)
+          toDbTp "oracle"    = Just (Oracle False)
+          toDbTp _           = Nothing
+
+oracleProvider :: MonadTransaction m => DataSourceProvider m a
+oracleProvider    = ("oracle", connector (Proxy :: Proxy (ODBC "oracle")))
+oracle12cProvider :: MonadTransaction m => DataSourceProvider m a
+oracle12cProvider = ("oracle12c", connector (Proxy :: Proxy (ODBC "oracle12c")))
diff --git a/yam-transaction-odbc.cabal b/yam-transaction-odbc.cabal
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--- /dev/null
+++ b/yam-transaction-odbc.cabal
@@ -0,0 +1,27 @@
+name:                yam-transaction-odbc
+version:             0.1.0.0
+description:         Transaction ODBC Plugin
+homepage:            https://github.com/leptonyu/yam-transaction-odbc#readme
+license:             BSD3
+license-file:        LICENSE
+author:              Daniel YU
+maintainer:          i@icymint.me
+copyright:           Copyright: (c) 2017 Daniel YU
+category:            Web
+build-type:          Simple
+extra-source-files:  README.md
+cabal-version:       >=1.10
+
+library
+  hs-source-dirs:      src
+  exposed-modules:     Yam.Transaction.ODBC
+  build-depends:       base >= 4.7 && < 5
+                     , yam-app
+                     , containers
+                     , HDBC-odbc
+                     , persistent-odbc
+  default-language:    Haskell2010
+
+source-repository head
+  type:     git
+  location: https://github.com/leptonyu/yam-transaction-odbc