use DBIx::Class::_Util qw( UNRESOLVABLE_CONDITION dbic_internal_try fail_on_internal_call );
use SQL::Abstract 'is_literal_value';
use Devel::GlobalDestruction;
-use Scalar::Util qw/blessed weaken isweak/;
+use Scalar::Util qw( blessed weaken isweak refaddr );
# FIXME - somehow breaks ResultSetManager, do not remove until investigated
use DBIx::Class::ResultSet;
use namespace::clean;
-__PACKAGE__->mk_group_accessors(simple => qw/
- source_name name source_info
- _ordered_columns _columns _primaries _unique_constraints
- _relationships resultset_attributes
- column_info_from_storage sqlt_deploy_callback
-/);
+my @hashref_attributes = qw(
+ source_info resultset_attributes
+ _columns _unique_constraints _relationships
+);
+my @arrayref_attributes = qw(
+ _ordered_columns _primaries
+);
+__PACKAGE__->mk_group_accessors(simple =>
+ @hashref_attributes,
+ @arrayref_attributes,
+ qw( source_name name column_info_from_storage sqlt_deploy_callback ),
+);
__PACKAGE__->mk_group_accessors(component_class => qw/
resultset_class
=cut
{
+ my $rsrc_registry;
+
+ sub __derived_instances {
+ map {
+ (defined $_->{weakref})
+ ? $_->{weakref}
+ : ()
+ } values %{ $rsrc_registry->{ refaddr($_[0]) }{ derivatives } }
+ }
+
sub new {
my ($class, $attrs) = @_;
$class = ref $class if ref $class;
- my $self = bless { %{$attrs || {}} }, $class;
+ my $ancestor = delete $attrs->{__derived_from};
+
+ my $self = bless { %$attrs }, $class;
DBIx::Class::_ENV_::ASSERT_NO_ERRONEOUS_METAINSTANCE_USE
Carp::confess("Incorrect instantiation of '$self': you almost certainly wanted to call ->clone() instead");
+ my $own_slot = $rsrc_registry->{
+ my $own_addr = refaddr $self
+ } = { derivatives => {} };
+
+ weaken( $own_slot->{weakref} = $self );
+
+ if(
+ length ref $ancestor
+ and
+ my $ancestor_slot = $rsrc_registry->{
+ my $ancestor_addr = refaddr $ancestor
+ }
+ ) {
+
+ # on ancestry recording compact registry slots, prevent unbound growth
+ for my $r ( $rsrc_registry, map { $_->{derivatives} } values %$rsrc_registry ) {
+ defined $r->{$_}{weakref} or delete $r->{$_}
+ for keys %$r;
+ }
+
+ weaken( $_->{$own_addr} = $own_slot ) for map
+ { $_->{derivatives} }
+ (
+ $ancestor_slot,
+ (grep
+ { defined $_->{derivatives}{$ancestor_addr} }
+ values %$rsrc_registry
+ ),
+ )
+ ;
+ }
+
+
$self->{resultset_class} ||= 'DBIx::Class::ResultSet';
$self->{name} ||= "!!NAME NOT SET!!";
$self->{_columns_info_loaded} ||= 0;
$self->{sqlt_deploy_callback} ||= 'default_sqlt_deploy_hook';
$self->{$_} = { %{ $self->{$_} || {} } }
- for qw( _columns _relationships resultset_attributes );
+ for @hashref_attributes;
- $self->{_ordered_columns} = [ @{ $self->{_ordered_columns} || [] } ];
+ $self->{$_} = [ @{ $self->{$_} || [] } ]
+ for @arrayref_attributes;
$self;
}
+
+ sub DBIx::Class::__Rsrc_Ancestry_iThreads_handler__::CLONE {
+ for my $r ( $rsrc_registry, map { $_->{derivatives} } values %$rsrc_registry ) {
+ %$r = map {
+ defined $_->{weakref}
+ ? ( refaddr $_->{weakref} => $_ )
+ : ()
+ } values %$r
+ }
+ }
}
=head2 clone
$self->new({
(
(length ref $self)
- ? %$self
+ ? ( %$self, __derived_from => $self )
: ()
),
(
my ($self, @cols) = @_;
$self->_ordered_columns(\@cols) unless $self->_ordered_columns;
- my @added;
+ my ( @added, $colinfos );
my $columns = $self->_columns;
+
while (my $col = shift @cols) {
- my $column_info = {};
- if ($col =~ s/^\+//) {
- $column_info = $self->column_info($col);
- }
+ my $column_info =
+ (
+ $col =~ s/^\+//
+ and
+ ( $colinfos ||= $self->columns_info )->{$col}
+ )
+ ||
+ {}
+ ;
# If next entry is { ... } use that for the column info, if not
# use an empty hashref
push(@added, $col) unless exists $columns->{$col};
$columns->{$col} = $column_info;
}
+
push @{ $self->_ordered_columns }, @added;
return $self;
}
=cut
sub column_info {
- my ($self, $column) = @_;
- $self->throw_exception("No such column $column")
- unless exists $self->_columns->{$column};
-
- if ( ! $self->_columns->{$column}{data_type}
- and ! $self->{_columns_info_loaded}
- and $self->column_info_from_storage
- and my $stor = dbic_internal_try { $self->schema->storage } )
- {
- $self->{_columns_info_loaded}++;
-
- # try for the case of storage without table
- dbic_internal_try {
- my $info = $stor->columns_info_for( $self->from );
- my $lc_info = { map
- { (lc $_) => $info->{$_} }
- ( keys %$info )
- };
-
- foreach my $col ( keys %{$self->_columns} ) {
- $self->_columns->{$col} = {
- %{ $self->_columns->{$col} },
- %{ $info->{$col} || $lc_info->{lc $col} || {} }
- };
- }
- };
- }
+ DBIx::Class::_ENV_::ASSERT_NO_INTERNAL_INDIRECT_CALLS and fail_on_internal_call;
- return $self->_columns->{$column};
+ #my ($self, $column) = @_;
+ $_[0]->columns_info([ $_[1] ])->{$_[1]};
}
=head2 columns
}
}
else {
+ # the shallow copy is crucial - there are exists() checks within
+ # the wider codebase
%ret = %$colinfo;
}
# auto-increment
my $rel_source = $self->related_source($rel_name);
+ my $colinfos;
+
foreach my $p ($self->primary_columns) {
- if (exists $keyhash->{$p}) {
- unless (defined($rel_data->{$keyhash->{$p}})
- || $rel_source->column_info($keyhash->{$p})
- ->{is_auto_increment}) {
- return 0;
- }
- }
+ return 0 if (
+ exists $keyhash->{$p}
+ and
+ ! defined( $rel_data->{$keyhash->{$p}} )
+ and
+ ! ( $colinfos ||= $rel_source->columns_info )
+ ->{$keyhash->{$p}}{is_auto_increment}
+ )
}
return 1;