my ($pri, $too_many) = keys %f_primaries;
$class->throw_exception("Can't infer join condition for ${rel} on ${class}; ${f_class} has no primary keys")
- unless defined $pri;
+ unless defined $pri;
$class->throw_exception("Can't infer join condition for ${rel} on ${class}; ${f_class} has multiple primary keys")
- if $too_many;
+ if $too_many;
my $fk = defined $cond ? $cond : $rel;
$class->throw_exception("Can't infer join condition for ${rel} on ${class}; $fk is not a column")