--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SQL/mssql/2013061000.sql	Thu Jan 04 15:50:29 2018 -0500
@@ -0,0 +1,44 @@
+ALTER TABLE [dbo].[cache] ADD [expires] [datetime] NULL
+GO
+ALTER TABLE [dbo].[cache_shared] ADD [expires] [datetime] NULL
+GO
+ALTER TABLE [dbo].[cache_index] ADD [expires] [datetime] NULL
+GO
+ALTER TABLE [dbo].[cache_thread] ADD [expires] [datetime] NULL
+GO
+ALTER TABLE [dbo].[cache_messages] ADD [expires] [datetime] NULL
+GO
+
+UPDATE [dbo].[cache] SET [expires] = DATEADD(second, 604800, [created])
+GO
+UPDATE [dbo].[cache_shared] SET [expires] = DATEADD(second, 604800, [created])
+GO
+UPDATE [dbo].[cache_index] SET [expires] = DATEADD(second, 604800, [changed])
+GO
+UPDATE [dbo].[cache_thread] SET [expires] = DATEADD(second, 604800, [changed])
+GO
+UPDATE [dbo].[cache_messages] SET [expires] = DATEADD(second, 604800, [changed])
+GO
+
+DROP INDEX [IX_cache_created]
+GO
+DROP INDEX [IX_cache_shared_created]
+GO
+ALTER TABLE [dbo].[cache_index] DROP COLUMN [changed]
+GO
+ALTER TABLE [dbo].[cache_thread] DROP COLUMN [changed]
+GO
+ALTER TABLE [dbo].[cache_messages] DROP COLUMN [changed]
+GO
+
+CREATE INDEX [IX_cache_expires] ON [dbo].[cache]([expires]) ON [PRIMARY]
+GO
+CREATE INDEX [IX_cache_shared_expires] ON [dbo].[cache_shared]([expires]) ON [PRIMARY]
+GO
+CREATE INDEX [IX_cache_index_expires] ON [dbo].[cache_index]([expires]) ON [PRIMARY]
+GO
+CREATE INDEX [IX_cache_thread_expires] ON [dbo].[cache_thread]([expires]) ON [PRIMARY]
+GO
+CREATE INDEX [IX_cache_messages_expires] ON [dbo].[cache_messages]([expires]) ON [PRIMARY]
+GO
+
\ No newline at end of file