FM / DBD

/usr/local/lib64/perl5/DBD

Name	Size	Mode	Actions
File/	-	0755	rm
Gofer/	-	0755	rm
DBM.pm	52096	0444	edit dl rm
ExampleP.pm	12413	0444	edit dl rm
File.pm	40741	0444	edit dl rm
Gofer.pm	49070	0444	edit dl rm
NullP.pm	6056	0444	edit dl rm
Proxy.pm	29211	0444	edit dl rm
Sponge.pm	7966	0444	edit dl rm

Edit: /usr/local/lib64/perl5/DBD/NullP.pm (6056B)

use strict;
{
    package DBD::NullP;

require DBI;
    require Carp;

our @EXPORT = qw(); # Do NOT @EXPORT anything.
    our $VERSION = "12.014715";

#   $Id: NullP.pm 14714 2011-02-22 17:27:07Z Tim $
#
#   Copyright (c) 1994-2007 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.

our $drh = undef;	# holds driver handle once initialised

sub driver{
	return $drh if $drh;
	my($class, $attr) = @_;
	$class .= "::dr";
	($drh) = DBI::_new_drh($class, {
	    'Name' => 'NullP',
	    'Version' => $VERSION,
	    'Attribution' => 'DBD Example Null Perl stub by Tim Bunce',
	    }, [ qw'example implementors private data']);
	$drh;
    }

sub CLONE {
        undef $drh;
    }
}

{   package DBD::NullP::dr; # ====== DRIVER ======
    our $imp_data_size = 0;
    use strict;

sub connect { # normally overridden, but a handy default
        my $dbh = shift->SUPER::connect(@_)
            or return;
        $dbh->STORE(Active => 1);
        $dbh;
    }

sub DESTROY { undef }
}

{   package DBD::NullP::db; # ====== DATABASE ======
    our $imp_data_size = 0;
    use strict;
    use Carp qw(croak);

# Added get_info to support tests in 10examp.t
    sub get_info {
        my ($dbh, $type) = @_;

if ($type == 29) {      # identifier quote
            return '"';
        }
        return;
    }

# Added table_info to support tests in 10examp.t
    sub table_info {
        my ($dbh, $catalog, $schema, $table, $type) = @_;

my ($outer, $sth) = DBI::_new_sth($dbh, {
            'Statement'     => 'tables',
        });
        if (defined($type) && $type eq '%' && # special case for tables('','','','%')
                grep {defined($_) && $_ eq ''} ($catalog, $schema, $table)) {
            $outer->{dbd_nullp_data} = [[undef, undef, undef, 'TABLE', undef],
                                        [undef, undef, undef, 'VIEW', undef],
                                        [undef, undef, undef, 'ALIAS', undef]];
        } elsif (defined($catalog) && $catalog eq '%' && # special case for tables('%','','')
                grep {defined($_) && $_ eq ''} ($schema, $table)) {
            $outer->{dbd_nullp_data} = [['catalog1', undef, undef, undef, undef],
                                        ['catalog2', undef, undef, undef, undef]];
        } else {
            $outer->{dbd_nullp_data} = [['catalog', 'schema', 'table1', 'TABLE']];
            $outer->{dbd_nullp_data} = [['catalog', 'schema', 'table2', 'TABLE']];
            $outer->{dbd_nullp_data} = [['catalog', 'schema', 'table3', 'TABLE']];
        }
        $outer->STORE(NUM_OF_FIELDS => 5);
        $sth->STORE(Active => 1);
        return $outer;
    }

sub prepare {
	my ($dbh, $statement)= @_;

my ($outer, $sth) = DBI::_new_sth($dbh, {
	    'Statement'     => $statement,
        });

return $outer;
    }

sub FETCH {
	my ($dbh, $attrib) = @_;
	# In reality this would interrogate the database engine to
	# either return dynamic values that cannot be precomputed
	# or fetch and cache attribute values too expensive to prefetch.
	return $dbh->SUPER::FETCH($attrib);
    }

sub STORE {
	my ($dbh, $attrib, $value) = @_;
	# would normally validate and only store known attributes
	# else pass up to DBI to handle
	if ($attrib eq 'AutoCommit') {
	    Carp::croak("Can't disable AutoCommit") unless $value;
            # convert AutoCommit values to magic ones to let DBI
            # know that the driver has 'handled' the AutoCommit attribute
            $value = ($value) ? -901 : -900;
	} elsif ($attrib eq 'nullp_set_err') {
           # a fake attribute to produce a test case where STORE issues a warning
           $dbh->set_err($value, $value);
        }
	return $dbh->SUPER::STORE($attrib, $value);
    }

sub ping { 1 }

sub disconnect {
	shift->STORE(Active => 0);
    }

}

{   package DBD::NullP::st; # ====== STATEMENT ======
    our $imp_data_size = 0;
    use strict;

sub bind_param {
        my ($sth, $param, $value, $attr) = @_;
        $sth->{ParamValues}{$param} = $value;
        $sth->{ParamAttr}{$param}   = $attr
            if defined $attr; # attr is sticky if not explicitly set
        return 1;
    }

sub execute {
	my $sth = shift;
        $sth->bind_param($_, $_[$_-1]) for (1..@_);
        if ($sth->{Statement} =~ m/^ \s* SELECT \s+/xmsi) {
            $sth->STORE(NUM_OF_FIELDS => 1);
            $sth->{NAME} = [ "fieldname" ];
            # just for the sake of returning something, we return the params
            my $params = $sth->{ParamValues} || {};
            $sth->{dbd_nullp_data} = [ @{$params}{ sort keys %$params } ];
            $sth->STORE(Active => 1);
        }
        # force a sleep - handy for testing
        elsif ($sth->{Statement} =~ m/^ \s* SLEEP \s+ (\S+) /xmsi) {
            my $secs = $1;
            if (eval { require Time::HiRes; defined &Time::HiRes::sleep }) {
                Time::HiRes::sleep($secs);
            }
            else {
                sleep $secs;
            }
        }
        # force an error - handy for testing
        elsif ($sth->{Statement} =~ m/^ \s* ERROR \s+ (\d+) \s* (.*) /xmsi) {
            return $sth->set_err($1, $2);
        }
        # anything else is silently ignored, successfully
	1;
    }

sub fetchrow_arrayref {
	my $sth = shift;
	my $data = shift @{$sth->{dbd_nullp_data}};
        if (!$data || !@$data) {
            $sth->finish;     # no more data so finish
            return undef;
	}
        return $sth->_set_fbav($data);
    }
    *fetch = \&fetchrow_arrayref; # alias

sub FETCH {
	my ($sth, $attrib) = @_;
	# would normally validate and only fetch known attributes
	# else pass up to DBI to handle
	return $sth->SUPER::FETCH($attrib);
    }

sub STORE {
	my ($sth, $attrib, $value) = @_;
	# would normally validate and only store known attributes
	# else pass up to DBI to handle
	return $sth->SUPER::STORE($attrib, $value);
    }

}

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