RE: Win32 dev on two versions of mysql

As long, only ONE service is running at a time it's ok to use same port.

The database `mysql` are not 100% compatible between 4.0 and 5.0 
So you should use seperate datadirs for each service.

my.cnf could contain:
-----------------------
[mysql4]
datdir = path/to/v4data

[mysql5]
datdir = path/to/v5data
-----------------------

For installing them use:
c:\path-to-4.0\bin\mysqld.exe --install-manual mysql4
c:\path-to-5.0\bin\mysqld.exe --install-manual mysql5



/jesper

-----Original Message-----
From: Jorge Bastos [mailto:[email protected]]
Sent: 24. oktober 2006 21:16
To: [email protected]
Subject: Fw: Win32 dev on two versions of mysql


And don't forget to run them in diferent ports also.




----- Original Message ----- 
From: "Daniel da Veiga" <[email protected]>
To: "MySQL Win32 List" <[email protected]>
Sent: Tuesday, October 24, 2006 7:05 PM
Subject: Re: Win32 dev on two versions of mysql


> On 10/23/06, Brad <[email protected]> wrote:
>> Hi,
>>
>> I read the recent thread (Sept) on installing two instances of mysqld
>> and binding them to two different IP addresses, but unfortunately I have
>> to develop on two different versions of MySQL and they both need to work
>> on 127.0.0.1 (localhost)--though not at the same time, of course.
>> What's an easy way to accomplish this, so that I can (quickly, if
>> possible) switch between say, 4.1 and 5.0.23 or whatever and have them
>> both on localhost?  I realize that I can remove the instance of the
>> service on each, in turn, using the MySQL Server Instance Config Wizard,
>> but I'm hoping there's a quicker and easier way to do this than that.
>>
>> Can anyone help out..? I'm sure this isn't too unusual a situation for
>> developers on Windows.
>>
>
> Simply install manually both versions, giving different names for each
> service, set the service to the "manual" state, so windows will not
> turn it on automatically, then create simple batch files like that:
>
> net stop mysql4
> net start mysql5
>
> and another
>
> net stop mysql5
> net start mysql4
>
> Place a shortcut on your Desktop and you can quickly switch between 
> versions...
>
>
> -- 
> Daniel da Veiga
> Computer Operator - RS - Brazil
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>

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