GENERATED_KEY function in an input trigger results in validation error if used in presence of a compound primary key which consists of a mix of auto-increment and non-auto-increment variables

The issue refers to
https://issues.jboss.org/browse/TEIID-5782 where if was found, that
the GENERATED_KEY function does result in an validation error

validation error: TEIID31119 Symbol key.fkProduct is specified with an unknown group context

in an INSERT trigger when the view on which the insert is called has a compound primary key which consists of a mix of AUTO_INCREMENT and non-AUTO_INCREMENT variables.
A code example can be found in the following comment

https://issues.jboss.org/browse/TEIID-5782?focusedCommentId=13759345&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13759345