From e6bb836e053913ec8a5930a6d51af1fa55eb08e2 Mon Sep 17 00:00:00 2001
From: thomascube <thomas@roundcube.net>
Date: Fri, 25 Feb 2011 11:37:22 -0500
Subject: [PATCH] Create interactive update script with improved DB schema check; udated installer with new features and styles

---
 SQL/mssql.initial.sql |   18 ++++++++++++------
 1 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/SQL/mssql.initial.sql b/SQL/mssql.initial.sql
index 553e68a..4aa6fc9 100644
--- a/SQL/mssql.initial.sql
+++ b/SQL/mssql.initial.sql
@@ -13,10 +13,11 @@
 	[changed] [datetime] NOT NULL ,
 	[del] [char] (1) COLLATE Latin1_General_CI_AI NOT NULL ,
 	[name] [varchar] (128) COLLATE Latin1_General_CI_AI NOT NULL ,
-	[email] [varchar] (128) COLLATE Latin1_General_CI_AI NOT NULL ,
+	[email] [varchar] (255) COLLATE Latin1_General_CI_AI NOT NULL ,
 	[firstname] [varchar] (128) COLLATE Latin1_General_CI_AI NOT NULL ,
 	[surname] [varchar] (128) COLLATE Latin1_General_CI_AI NOT NULL ,
-	[vcard] [text] COLLATE Latin1_General_CI_AI NULL 
+	[vcard] [text] COLLATE Latin1_General_CI_AI NULL ,
+	[words] [text] COLLATE Latin1_General_CI_AI NULL 
 ) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]
 GO
 
@@ -194,6 +195,8 @@
 	CONSTRAINT [DF_contactgroupmembers_created] DEFAULT (getdate()) FOR [created]
 GO
 
+CREATE  INDEX [IX_contactgroupmembers_contact_id] ON [dbo].[contactgroupmembers]([contact_id]) ON [PRIMARY]
+GO
 
 ALTER TABLE [dbo].[identities] ADD 
 	CONSTRAINT [DF_identities_user] DEFAULT ('0') FOR [user_id],
@@ -255,7 +258,7 @@
 	CONSTRAINT [DF_users_created] DEFAULT (getdate()) FOR [created]
 GO
 
-CREATE  INDEX [IX_users_username] ON [dbo].[users]([username]) ON [PRIMARY]
+CREATE  UNIQUE INDEX [IX_users_username] ON [dbo].[users]([username],[mail_host]) ON [PRIMARY]
 GO
 
 CREATE  INDEX [IX_users_alias] ON [dbo].[users]([alias]) ON [PRIMARY]
@@ -291,8 +294,11 @@
     ON DELETE CASCADE ON UPDATE CASCADE
 GO
 
-ALTER TABLE [dbo].[contactgroupmembers] ADD CONSTRAINT [FK_contactgroupmembers_contact_id] 
-    FOREIGN KEY ([contact_id]) REFERENCES [dbo].[contacts] ([contact_id])
-    ON DELETE CASCADE ON UPDATE CASCADE
+-- Use trigger instead of foreign key (#1487112)
+-- "Introducing FOREIGN KEY constraint ... may cause cycles or multiple cascade paths."
+CREATE TRIGGER [contact_delete_member] ON [dbo].[contacts]
+    AFTER DELETE AS
+    DELETE FROM [dbo].[contactgroupmembers]
+    WHERE [contact_id] IN (SELECT [contact_id] FROM deleted)
 GO
 

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