use Scope::Guard ();
use Context::Preserve ();
use Try::Tiny;
+use namespace::clean;
=head1 NAME
my $txn_scope_guard = $self->txn_scope_guard;
$self->_do_query('alter session set constraints = deferred');
-
+
my $sg = Scope::Guard->new(sub {
$self->_do_query('alter session set constraints = immediate');
});