[Lazarus] Mysql version

[Michael Van Canneyt]

On Thu, 15 Aug 2024, Larry Dalton via lazarus wrote:

> I am running Lazarus 3.2 on Windows 11.
> I am using MySql version 8.0.39.
> I am using a single form test program, with only one unit.
> My components are:
> InventoryConnection = TMysql80Connection
> InventoryQuery = TSqlQuery with InventoryConnection as database
> InventorySource =Tdatasource with InventoryQuery as dataset
> InventoryTransaction = TSQLTransaction with InventoryConnection as Database
> InventoryGrid =TDBGrid with InventorySource as datasource
>
> The test database is inventory with one table named 'base_info';
> table has two columns: ID = INT and Stock_num =varchar(10);
>
> when I set connection on connected property on InventoryConnection to TRUE
> and set Active property on InventoryQuery to True in design time,
> everything connects and opens just fine, and the columns appear in
> InventoryGrid,
>
> However, when I run the application, I get the following error:
> 'TMySql80Connection can not work the the installed MySQL client erosion:
> Expected (8.0), got (6.1.10), and the application aborts.

if it reports 6.1.10, it means there is a client library 6.1.10 installed
somewhere and it gets used before the 8.0 one.

I made some applications that connect with 8.0, I can't remember doing
anything special, so it's the most likely cause that there is an old lib
lying around?

Michael.