unless (ref $cond) {
$class->ensure_class_loaded($f_class);
- my ($pri, $too_many) = $class->primary_columns;
+ my ($pri, $too_many) = eval { $class->_pri_cols };
+ $class->throw_exception(
+ "Can't infer join condition for ${rel} on ${class}: $@"
+ ) if $@;
$class->throw_exception(
"has_many can only infer join for a single primary key; ".
$class->throw_exception(
"No such column ${f_key} on foreign class ${f_class} ($guess)"
) if $f_class_loaded && !$f_class->has_column($f_key);
-
+
$cond = { "foreign.${f_key}" => "self.${pri}" };
}