maria-developers team mailing list archive

[Gordan Bobic <gordan@xxxxxxxxxx>]

On 05/15/2013 09:24 PM, Roberto Spadim wrote:
> hum, maybe a 'global variable' + a 'counter' function could do the job?
>
> select add_and_return(@global_var,1)
> could return old global_var value +1, and set the global_var to +1
>
> just a idea.. like GET_LOCK(str,timeout) do, but without timeout

How would the function avoid the race condition?
Is it actually possible to have user-defined global variables?

Gordan