Hello Eugeno,
Thanks for your answer. For now, I used a quick and dirty work around which allows me to use %columname% constructions in the where clause of a single_select. To make this work I made the following modification in your "business_logic.php" :
...
if ($where_clause_field !=...
I have a single select field on a form and the list of choices is dependend on the value of another field on that same form. I see there is an option to add a where clause to the selection of the list, but is it possible to use the value of another field in that where clause ?
My situation is...