Thanks Michael,
I have it working now though I had make a few modifications in your
code: the REMOVE property was set to ALL on a major upgrade as well as
on uninstall so I added another property to check whether it's a product
upgrade - I only want to drop the database on an uninstall and nor on an
upgrade.
Here is the code that I add to the SqlString element:
use [master]
IF ('[REMOVE]' = 'ALL' AND '[KMFUNINSTALL]' = 'KMFUNINSTALL')
BEGIN
ALTER DATABASE $(var.DataBaseName)
SET SINGLE_USER WITH ROLLBACK IMMEDIATE
DROP DATABASE $(var.DataBaseName)
END
<CustomAction Id="CheckKMFUninstall" Property="KMFUNINSTALL"
Value="KMFUNINSTALL"/>
In the execute sequence:
<Custom Action="CheckKMFUninstall" After="InstallInitialize">Installed
AND NOT UPGRADINGPRODUCTCODE</Custom>
Michael Osmond wrote:
Joe,
My appologies, I was not carefull. If you put that SQL code in a SQLString element (not SQLScript), then it is treated like a formatted MSI string, so the [REMOVE] gets expanded to the REMOVE property before execution. My understanding is that REMOVE is set to ALL for an uninstall.
Michael
________________________________
From: Joe Osman [mailto:joe.os...@tait.co.nz]
Sent: Tue 17/02/2009 12:26 PM
To: General discussion for Windows Installer XMLtoolset.
Subject: Re: [WiX-users] sql:SqlDatabase drops database on major upgrade
Hi Michael,
In your answer are you referring to WIX V2 or WIX V3?
I am using V3 and when I tried to reschedule the custom action
DeleteExistingProduct I got the error message: Unresolved reference to
symbol 'CustomAction:DeleteExistingProduct' .
In your second comment you are saying that the script should run on
ExecuteOnUninstall. Based on your suggestion I've created the following
sql script:
USE [master]
GO
IF ('[REMOVE]' = 'ALL')
BEGIN
DROP DATABASE MyDataBase
END
but the database doesn't get removed on uninstall. How can the sql
script determine the value of [REMOVE] on uninstall?
Thank you.
Michael Osmond wrote:
Hello Joe,
I've been in a similar situation. The possible solutions I am aware of:
1. If you schedule the DeleteExistingProduct action at the end of the
install (I think after the InstallFinalise), my understanding is that
the install should calculate that there still is a count of one on the
database component and not remove it. For other reasons I don't use
this with mine.
2. Don't use the DropOnUnistall. Set the database as CreateOnInstall=y
ContinueOnError=y and then have an SQL Script that is set to run
ExecuteOnUninstall that drops the database. You could then put an MSI
condition into the script eg: IF ('[REMOVE]' = 'ALL') drop database
[DBNAME]. It gives you a little more control.
For the books. Because of the nature of data in our server application,
our uninstall does not delete the database at all, the user must
manually (and hence knowingly) drop the database.
PS: Something to check. Test what happens if there is a rollback
during (or after) the SQL Install. My experience was that the rollback
(because this is technically an install of a new database component)
would do the rollback by droping the database. (I am still on WIX V2
and have a slightly modified version of the SQL Custom Actions).
Mihael
-----Original Message-----
From: Joe Osman [mailto:joe.os...@tait.co.nz]
Sent: Monday, 16 February 2009 12:14 PM
To: General discussion for Windows Installer XMLtoolset.
Subject: [WiX-users] sql:SqlDatabase drops database on major upgrade
I want to have my database dropped only during uninstall and to do that
I am using sql:SqlDatabase element. The problem is that the database is
dropped during a major upgrade. How can I prevent it from happening?
Here is the command I am using:
<Component Id="KmfDatabase"
Guid="{82B345FC-A889-44c2-A964-DE2495DC0D29}">
<sql:SqlDatabase Id="TaitKmf" Database="TaitKmf"
ContinueOnError="yes" CreateOnReinstall="no" CreateOnUninstall="no"
CreateOnInstall="no"
DropOnReinstall="no" DropOnUninstall="yes" DropOnInstall="no"
Server="[ComputerName]"/>
</Component>
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