From a5ee70c370a9420ba56e7685d250f2814b41d975 Mon Sep 17 00:00:00 2001
From: Steffen Jost <S.Jost@Fraport.de>
Date: Fri, 16 Jun 2023 15:04:33 +0000
Subject: [PATCH] chore(ldap): ensure that ldap primary keys are unique

---
 models/users.model | 1 +
 1 file changed, 1 insertion(+)

diff --git a/models/users.model b/models/users.model
index 38305c4f0..8a686feac 100644
--- a/models/users.model
+++ b/models/users.model
@@ -52,6 +52,7 @@ User json    -- Each Uni2work user has a corresponding row in this table; create
     examOfficeGetLabels   Bool default=true     -- whether labels should be displayed for exam results by default
     UniqueAuthentication ident                  -- Column 'ident' can be used as a row-key in this table
     UniqueEmail email                           -- Column 'email' can be used as a row-key in this table
+    UniqueLdapPrimaryKey ldapPrimaryKey !force  -- Column 'ldapPrimaryKey' is either empty or contains a unique value
     deriving Show Eq Ord Generic                -- Haskell-specific settings for runtime-value representing a row in memory
 
 UserFunction -- Administratively assigned functions (lecturer, admin, evaluation, ...)