From 3a5476d150419b46847dd922935f368c969519c1 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Wed, 23 Feb 2011 03:13:02 -0500
Subject: [PATCH] - Add index on contactgroupmembers.contact_id column. Improves performance and fixes problem with contactgroupmembers table creation on MySQL 4.x
---
SQL/mssql.upgrade.sql | 15 +++++++++++----
1 files changed, 11 insertions(+), 4 deletions(-)
diff --git a/SQL/mssql.upgrade.sql b/SQL/mssql.upgrade.sql
index cf0c171..8534afd 100644
--- a/SQL/mssql.upgrade.sql
+++ b/SQL/mssql.upgrade.sql
@@ -77,9 +77,10 @@
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
+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
ALTER TABLE [dbo].[contactgroups] ADD CONSTRAINT [FK_contactgroups_user_id]
@@ -95,4 +96,10 @@
GO
ALTER TABLE [dbo].[contacts] ALTER COLUMN [email] [varchar] (255) COLLATE Latin1_General_CI_AI NOT NULL
GO
-
+
+-- Updates from version 0.5.x
+
+ALTER TABLE [dbo].[contacts] ADD [words] [text] COLLATE Latin1_General_CI_AI NULL
+GO
+CREATE INDEX [IX_contactgroupmembers_contact_id] ON [dbo].[contactgroupmembers]([contact_id]) ON [PRIMARY]
+GO
--
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