You just do that in the parent class, i.e. the one that is holding a copy of other class' primary key in its table. If you want a has_many method in the child class that goes the other way, you could code one of those too, using a search() instead of retrieve().

In reply to Re^3: Class::DBI has_a() relationships with multi-value keys by perrin
in thread Class::DBI has_a() relationships with multi-value keys by MrCromeDome

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