use strict;
use warnings FATAL => 'all';
+no warnings 'recursion';
use base 'DBM::Deep';
##
my $self = shift->_get_self;
- warn "HASH:FIRSTKEY($self)\n" if DBM::Deep::DEBUG;
-
$self->lock_shared;
my $result = $self->_engine->get_next_key( $self );
- $self->unlock();
+ $self->unlock;
return ($result && $self->_engine->storage->{filter_fetch_key})
? $self->_engine->storage->{filter_fetch_key}->($result)
? $self->_engine->storage->{filter_store_key}->($_[0])
: $_[0];
- warn "HASH:NEXTKEY($self,$prev_key)\n" if DBM::Deep::DEBUG;
-
$self->lock_shared;
my $result = $self->_engine->get_next_key( $self, $prev_key );
- $self->unlock();
-
+ $self->unlock;
+
return ($result && $self->_engine->storage->{filter_fetch_key})
? $self->_engine->storage->{filter_fetch_key}->($result)
: $result;
sub first_key { (shift)->FIRSTKEY(@_) }
sub next_key { (shift)->NEXTKEY(@_) }
+sub _clear {
+ my $self = shift;
+
+ while ( defined(my $key = $self->first_key) ) {
+ do {
+ $self->_engine->delete_key( $self, $key, $key );
+ } while defined($key = $self->next_key($key));
+ }
+
+ return;
+}
+
sub _copy_node {
my $self = shift;
my ($db_temp) = @_;
my $key = $self->first_key();
- while ($key) {
+ while (defined $key) {
my $value = $self->get($key);
$self->_copy_value( \$db_temp->{$key}, $value );
$key = $self->next_key($key);