MySQl attribute Mapping in Shibboleth IDP

[Peter Schober]

* Yasser Afifi <yasser at 3dissue.com> [2015-12-17 12:40]:
>  I am defining attributes to be sent to the SP in my attribute-resolver.xml
> file. I want to send the roleName of the user to the SP. My question is: In
> the attribute-resolver.xml, how can I get the roleName from the role table
> that correspond to the userID ?

What version of the IDP are you using?
Each version (2.4.x, 3.x) has its own documentation which should also
cover how you can use the authenticated subject as part of an SQL query.
-peter