use strict;
use warnings;
-use Try::Tiny;
+use DBIx::Class::_Util 'dbic_internal_try';
use namespace::clean;
our %_pod_inherit_config =
my ($class, $rel, $f_class, $cond, $attrs) = @_;
unless (ref $cond) {
- $class->ensure_class_loaded($f_class);
- my ($pri, $too_many) = try { $class->_pri_cols }
- catch {
- $class->throw_exception("Can't infer join condition for ${rel} on ${class}: $_");
- };
-
- $class->throw_exception(
- "has_many can only infer join for a single primary key; ".
- "${class} has more"
- ) if $too_many;
-
- $class->throw_exception(
- "has_many needs a primary key to infer a join; ".
- "${class} has none"
- ) if !defined $pri && (!defined $cond || !length $cond);
+
+ my $pri = $class->result_source->_single_pri_col_or_die;
my ($f_key,$guess);
if (defined $cond && length $cond) {
$f_key = $cond;
$guess = "caller specified foreign key '$f_key'";
} else {
- $class =~ /([^\:]+)$/;
+ $class =~ /([^\:]+)$/; # match is safe - $class can't be ''
$f_key = lc $1; # go ahead and guess; best we can do
- $guess = "using our class name '$class' as foreign key";
+ $guess = "using our class name '$class' as foreign key source";
}
- my $f_class_loaded = try { $f_class->columns };
- $class->throw_exception(
- "No such column ${f_key} on foreign class ${f_class} ($guess)"
- ) if $f_class_loaded && !$f_class->has_column($f_key);
+# FIXME - this check needs to be moved to schema-composition time...
+# # only perform checks if the far side appears already loaded
+# if (my $f_rsrc = dbic_internal_try { $f_class->result_source } ) {
+# $class->throw_exception(
+# "No such column '$f_key' on foreign class ${f_class} ($guess)"
+# ) if !$f_rsrc->has_column($f_key);
+# }
$cond = { "foreign.${f_key}" => "self.${pri}" };
}
+ my $default_cascade = ref $cond eq 'CODE' ? 0 : 1;
+
$class->add_relationship($rel, $f_class, $cond, {
accessor => 'multi',
join_type => 'LEFT',
- cascade_delete => 1,
- cascade_copy => 1,
+ cascade_delete => $default_cascade,
+ cascade_copy => $default_cascade,
+ is_depends_on => 0,
%{$attrs||{}}
});
}