[fpc-devel] MySQL v4.0 v4.1 and v5.0

[Daniël Mantione]

Op Fri, 18 Nov 2005, schreef Joost van der Sluis:

> > >>For mysql connection I would prefer an component for each version so
> > >>users have it clear from begining, and not need to change anything.
> > > 
> > > The problem is that those different components coud not be installed at
> > > the same time. 
> 
> > Why is it impossible to have a mysql40connection, mysql41connection and 
> > mysql50connection in one application? In what way is this different from 
> > having mysqlconnection and ibconnection in one application?
> 
> If we implement that, and sqldb is installed
> 
> Laz --> mysql40conn (tmysql40conn) --> mysql40 (pmysql, mysql_init())
>         mysql41conn (tmysql41conn) --> mysql41 (pmysql, mysql_init())
>         mysql50conn (tmysql50conn) --> mysql50 (pmysql, mysql_init())
> 
> Lazarus uses the mysql40conn,mysql41conn and mysql50conn units, they all
> use a different mysql-unit, but all those units implement functions and
> procedures with the same name, but with other arguments. 
> 
> I'm not sure it the compiler will allow that?

Should not be a problem.

Daniël