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- {
- package DBD::NullP;
-
- require DBI;
-
- @EXPORT = qw(); # Do NOT @EXPORT anything.
-
- # $Id: NullP.pm,v 1.1 1995/10/24 01:45:52 timbo Exp $
- #
- # Copyright (c) 1994, Tim Bunce
- #
- # You may distribute under the terms of either the GNU General Public
- # License or the Artistic License, as specified in the Perl README file.
-
- $drh = undef; # holds driver handle once initialised
- $err = 0; # The $DBI::err value
-
- sub driver{
- return $drh if $drh;
- my($class, $attr) = @_;
- $class .= "::dr";
- ($drh) = DBI::_new_drh($class, {
- 'Name' => 'NullP',
- 'Version' => '$Revision: 1.1 $',
- 'Attribution' => 'DBD Example Null Perl stub by Tim Bunce',
- }, [ qw'example implementors private data']);
- $drh;
- }
-
- 1;
- }
-
-
- { package DBD::NullP::dr; # ====== DRIVER ======
- $imp_data_size = 0;
- use strict;
- # we use default (dummy) connect method
-
- sub disconnect_all { }
- sub DESTROY { undef }
- }
-
-
- { package DBD::NullP::db; # ====== DATABASE ======
- $imp_data_size = 0;
- use strict;
-
- sub prepare {
- my($dbh, $statement)= @_;
-
- my($outer, $sth) = DBI::_new_sth($dbh, {
- 'Statement' => $statement,
- }, [ qw'example implementors private data']);
-
- $outer;
- }
-
- sub DESTROY { undef }
- }
-
-
- { package DBD::NullP::st; # ====== STATEMENT ======
- $imp_data_size = 0;
- use strict;
-
- sub execute {
- my($sth, $dir) = @_;
- 1;
- }
-
- sub fetch {
- my($sth) = @_;
- $sth->finish; # no more data so finish
- return [];
- }
-
- sub finish {
- my($sth) = @_;
- }
-
- sub FETCH {
- my ($sth, $attrib) = @_;
- # would normally validate and only fetch known attributes
- # else pass up to DBI to handle
- return $sth->DBD::_::dr::FETCH($attrib);
- }
-
- sub STORE {
- my ($sth, $attrib, $value) = @_;
- # would normally validate and only store known attributes
- # else pass up to DBI to handle
- return $sth->DBD::_::dr::STORE($attrib, $value);
- }
-
- sub DESTROY { undef }
- }
-
- 1;
-