diff --git a/src/Database/Esqueleto/Utils.hs b/src/Database/Esqueleto/Utils.hs
index 228179f9c..e0b93ee5b 100644
--- a/src/Database/Esqueleto/Utils.hs
+++ b/src/Database/Esqueleto/Utils.hs
@@ -26,7 +26,7 @@ module Database.Esqueleto.Utils
   , maybe, maybe2, maybeEq, guardMaybe, unsafeCoalesce
   , bool
   , max, min
-  , greatest
+  , greatest, least
   , abs
   , SqlProject(..)
   , (->.), (#>>.)
@@ -36,7 +36,7 @@ module Database.Esqueleto.Utils
   , selectMaybe
   , day, diffDays, diffTimes
   , exprLift
-  , explicitUnsafeCoerceSqlExprValue 
+  , explicitUnsafeCoerceSqlExprValue   
   , module Database.Esqueleto.Utils.TH
   ) where
 
@@ -435,6 +435,8 @@ min a b = bool a b $ b E.<. a
 greatest :: PersistField a => (E.SqlExpr (E.Value a), E.SqlExpr (E.Value a)) -> E.SqlExpr (E.Value a)
 greatest = E.unsafeSqlFunction "GREATEST" . E.toArgList
 
+least :: PersistField a => (E.SqlExpr (E.Value a), E.SqlExpr (E.Value a)) -> E.SqlExpr (E.Value a)
+least = E.unsafeSqlFunction "LEAST" . E.toArgList
 
 
 abs :: (PersistField a, Num a)
diff --git a/src/Handler/Utils/Users.hs b/src/Handler/Utils/Users.hs
index 5a50fcd79..6a2bd800e 100644
--- a/src/Handler/Utils/Users.hs
+++ b/src/Handler/Utils/Users.hs
@@ -243,7 +243,7 @@ assimilateUser :: UserId -- ^ @newUserId@
 -- ^ Move all relevant properties (submissions, corrections, grades, ...) from @oldUserId@ to @newUserId@
 --
 -- Fatal errors are thrown, non-fatal warnings are returned
-assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do
+assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do  
   E.insertSelectWithConflict
     UniqueCourseFavourite 
     (E.from $ \courseFavourite -> do
@@ -779,7 +779,7 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do
           E.<&> E.val newUserId
           E.<&> (systemMessageHidden E.^. SystemMessageHiddenTime)
     )
-    (\current excluded -> [ SystemMessageHiddenTime E.=. E.max (current E.^. SystemMessageHiddenTime) (excluded E.^. SystemMessageHiddenTime) ])
+    (\current excluded -> [ SystemMessageHiddenTime E.=. combineWith current excluded E.max SystemMessageHiddenTime])
   deleteWhere [ SystemMessageHiddenUser ==. oldUserId ]
 
   let getStudyFeatures = selectSource [ StudyFeaturesUser ==. oldUserId ] []
@@ -808,6 +808,29 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do
             delete oldSFId
    in runConduit $ getStudyFeatures .| C.mapM_ upsertStudyFeatures
 
+  -- lms     
+  E.insertSelectWithConflict
+    UniqueQualificationUser
+    (E.from $ \qualificationUser -> do
+        E.where_ $ qualificationUser E.^. QualificationUserUser E.==. E.val oldUserId
+        return $ QualificationUser
+          E.<#  E.val newUserId
+          E.<&> (qualificationUser E.^. QualificationUserQualification)
+          E.<&> (qualificationUser E.^. QualificationUserValidUntil)
+          E.<&> (qualificationUser E.^. QualificationUserLastRefresh)
+          E.<&> (qualificationUser E.^. QualificationUserFirstHeld)
+          E.<&> (qualificationUser E.^. QualificationUserBlockedDue)
+    )
+    (\current excluded ->       
+      [ QualificationUserValidUntil  E.=. combineWith current excluded E.max QualificationUserValidUntil
+      , QualificationUserLastRefresh E.=. combineWith current excluded E.max QualificationUserLastRefresh
+      , QualificationUserFirstHeld   E.=. combineWith current excluded E.min QualificationUserFirstHeld
+      , QualificationUserBlockedDue  E.=. combineWith current excluded E.max QualificationUserBlockedDue
+      ] 
+    )
+  -- TODO: LmsUser!
+  deleteWhere [ QualificationUserUser ==. oldUserId ]
+
   userIdents <- E.select . E.from $ \user -> do
     E.where_ $ user E.^. UserId `E.in_` E.valList [newUserId, oldUserId]
     return ( user E.^. UserId
@@ -827,3 +850,13 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do
 
     tellError :: forall a. UserAssimilateExceptionReason -> ReaderT SqlBackend (WriterT (Set UserAssimilateException) Handler) a
     tellError = throwM . UserAssimilateException oldUserId newUserId
+
+
+
+combineWith :: (PersistEntity val, PersistField typ1) =>
+                     E.SqlExpr (Entity val)
+                     -> E.SqlExpr (Entity val)
+                     -> (E.SqlExpr (E.Value typ1) -> E.SqlExpr (E.Value typ1) -> E.SqlExpr (E.Value typ2))
+                     -> EntityField val typ1
+                     -> E.SqlExpr (E.Value typ2)
+combineWith x y f pj = f (x E.^. pj) (y E.^. pj)
\ No newline at end of file
diff --git a/src/Jobs/Handler/SendNotification.hs b/src/Jobs/Handler/SendNotification.hs
index 80574a065..a819c3d4e 100644
--- a/src/Jobs/Handler/SendNotification.hs
+++ b/src/Jobs/Handler/SendNotification.hs
@@ -22,6 +22,15 @@ import Jobs.Handler.SendNotification.CourseRegistered
 import Jobs.Handler.SendNotification.SubmissionEdited
 import Jobs.Handler.SendNotification.Qualification 
 
+dispatchJobSendNotification :: UserId -> Notification -> JobHandler UniWorX
+dispatchJobSendNotification jRecipient jNotification = JobHandlerException $ 
+  $(dispatchTH ''Notification) jNotification jRecipient
+  
+{-
+IDEAS:
+  1) change type of dispatchNotificationfunctions to take another argument in addition to
+      jRecipient jNotificiation
+  2) change mailT and sendPrintJob to account for supervisors
 
 dispatchJobSendNotification :: UserId -> Notification -> JobHandler UniWorX
 dispatchJobSendNotification jRecipient jNotification = JobHandlerException $ do 
@@ -32,3 +41,4 @@ dispatchJobSendNotification jRecipient jNotification = JobHandlerException $ do
     then $(dispatchTH ''Notification) jNotification jRecipient
     else forM_ superVs $ \Entity { entityVal = UserSupervisor { userSupervisorSupervisor = svr } } -> 
             $(dispatchTH ''Notification) jNotification svr
+-}
\ No newline at end of file