use warnings;
use Carp::Clan qw/^DBIx::Class/;
+use Scalar::Util qw/weaken/;
use base qw/DBIx::Class/;
$reg{$moniker} = $source;
$self->source_registrations(\%reg);
$source->schema($self);
+ weaken($source->{schema}) if ref($self);
if ($source->result_class) {
my %map = %{$self->class_mappings};
$map{$source->result_class} = $moniker;
foreach my $prefix (keys %comps_for) {
foreach my $comp (@{$comps_for{$prefix}||[]}) {
my $comp_class = "${prefix}::${comp}";
- eval "use $comp_class"; # If it fails, assume the user fixed it
- if ($@) {
- $comp_class =~ s/::/\//g;
- die $@ unless $@ =~ /Can't locate.+$comp_class\.pm\sin\s\@INC/;
- warn $@ if $@;
- }
-
+ $class->ensure_class_loaded($comp_class);
$comp_class->source_name($comp) unless $comp_class->source_name;
push(@to_register, [ $comp_class->source_name, $comp_class ]);
$target_class => $source->result_class, ($base ? $base : ())
);
$source->result_class($target_class);
+ $target_class->result_source_instance($source)
+ if $target_class->can('result_source_instance');
}
}
Class::C3->reinitialize();
For example,
my $author_rs = $schema->resultset('Author')->find(1);
+ my @titles = qw/Night Day It/;
my $coderef = sub {
- my ($author, @titles) = @_;
-
# If any one of these fails, the entire transaction fails
- $author->create_related('books', {
+ $author_rs->create_related('books', {
title => $_
}) foreach (@titles);
my $rs;
eval {
- $rs = $schema->txn_do($coderef, $author_rs, qw/Night Day It/);
+ $rs = $schema->txn_do($coderef);
};
- if ($@) {
- my $error = $@;
- if ($error =~ /Rollback failed/) {
- die "something terrible has happened!";
- } else {
- deal_with_failed_transaction();
- }
+ if ($@) { # Transaction failed
+ die "something terrible has happened!" #
+ if ($@ =~ /Rollback failed/); # Rollback failed
+
+ deal_with_failed_transaction();
}
In a nested transaction (calling txn_do() from within a txn_do() coderef) only
sub txn_do {
my ($self, $coderef, @args) = @_;
- ref $self or $self->throw_exception
- ('Cannot execute txn_do as a class method');
+ $self->storage or $self->throw_exception
+ ('txn_do called on $schema without storage');
ref $coderef eq 'CODE' or $self->throw_exception
('$coderef must be a CODE reference');
Note that this feature is currently EXPERIMENTAL and may not work correctly
across all databases, or fully handle complex relationships.
+See L<SQL::Translator/METHODS> for a list of values for C<$sqlt_args>. The most
+common value for this would be C<< { add_drop_table => 1, } >> to have the SQL
+produced include a DROP TABLE statement for each table created.
+
=cut
sub deploy {
$self->storage->deploy($self, undef, $sqltargs);
}
+=head2 create_ddl_dir (EXPERIMENTAL)
+
+=over 4
+
+=item Arguments: \@databases, $version, $directory, $sqlt_args
+
+=back
+
+Creates an SQL file based on the Schema, for each of the specified
+database types, in the given directory.
+
+Note that this feature is currently EXPERIMENTAL and may not work correctly
+across all databases, or fully handle complex relationships.
+
+=cut
+
sub create_ddl_dir
{
my $self = shift;
$self->storage->create_ddl_dir($self, @_);
}
+=head2 ddl_filename (EXPERIMENTAL)
+
+ my $filename = $table->ddl_filename($type, $dir, $version)
+
+Creates a filename for a SQL file based on the table class name. Not
+intended for direct end user use.
+
+=cut
+
sub ddl_filename
{
my ($self, $type, $dir, $version) = @_;