#168 Reference action not shown with a @ReadOnly @SearchKey

[Javier Paniza]

If you have a class with @SearchKey with the last key @ReadOnly:
class Invoice {

@SearchKey
int year

@ReadOnly
@SearchKey
int number

...
}

When you have a reference to it:
@ManyToOne
Invoice invoice

The actions for searching, modifying and creating invoices are not shown