__PACKAGE__->mk_group_accessors('simple' =>
qw/_connect_info _dbi_connect_info _dbh _sql_maker _sql_maker_opts
_conn_pid _conn_tid disable_sth_caching on_connect_do
- on_disconnect_do transaction_depth unsafe _dbh_autocommit/
+ on_disconnect_do transaction_depth unsafe _dbh_autocommit
+ auto_savepoint/
);
__PACKAGE__->cursor_class('DBIx::Class::Storage::DBI::Cursor');
especially if you set a C<HandleError> handler that suppresses exceptions
and/or disable C<RaiseError>.
+=item auto_savepoint
+
+If this option is true, L<DBIx::Class> will use savepoints when nesting
+transactions, making it possible to recover from failure in the inner
+transaction without having to abort all outer transactions.
+
=back
These options can be mixed in with your other L<DBI> connection attributes,
$last_info = { %$last_info }; # so delete is non-destructive
my @storage_option = qw(
on_connect_do on_disconnect_do disable_sth_caching unsafe cursor_class
+ auto_savepoint
);
for my $storage_opt (@storage_option) {
if(my $value = delete $last_info->{$storage_opt}) {
ref $coderef eq 'CODE' or $self->throw_exception
('$coderef must be a CODE reference');
- return $coderef->(@_) if $self->{transaction_depth};
+ return $coderef->(@_) if $self->{transaction_depth} && ! $self->auto_savepoint;
local $self->{_in_dbh_do} = 1;
# we should reconnect on begin_work
# for AutoCommit users
$self->dbh->begin_work;
+ } elsif ($self->auto_savepoint) {
+ $self->svp_begin ("savepoint_$self->{transaction_depth}");
}
$self->{transaction_depth}++;
}
if $self->_dbh_autocommit;
}
elsif($self->{transaction_depth} > 1) {
- $self->{transaction_depth}--
+ $self->{transaction_depth}--;
+ $self->svp_release ("savepoint_$self->{transaction_depth}")
+ if $self->auto_savepoint;
}
}
}
elsif($self->{transaction_depth} > 1) {
$self->{transaction_depth}--;
+ if ($self->auto_savepoint) {
+ $self->svp_rollback ("savepoint_$self->{transaction_depth}");
+ $self->svp_release ("savepoint_$self->{transaction_depth}");
+ }
}
else {
die DBIx::Class::Storage::NESTED_ROLLBACK_EXCEPTION->new;