From ce988a0778aee7fb42ce5fc42e2986d562b6ccbb Mon Sep 17 00:00:00 2001
From: thomascube <thomas@roundcube.net>
Date: Wed, 09 Feb 2011 05:33:26 -0500
Subject: [PATCH] Always generate valid DOM identifiers using html_identifier() write original identifier string to rel attribute where possible
---
SQL/mssql.initial.sql | 9 ++++++---
1 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/SQL/mssql.initial.sql b/SQL/mssql.initial.sql
index 3678858..823d1b3 100644
--- a/SQL/mssql.initial.sql
+++ b/SQL/mssql.initial.sql
@@ -291,8 +291,11 @@
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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