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#############################################################################
#
# Apache::Session::Store::DBI
# A base class for the MySQL, Postgres, and other DBI stores
# Copyright(c) 2000, 2004 Jeffrey William Baker (jwbaker@acm.org)
# Distribute under the Perl License
#
############################################################################
package Apache::Session::Store::DBI;
use strict;
use DBI;
use vars qw($VERSION);
$VERSION = '1.02';
$Apache::Session::Store::DBI::TableName = "sessions";
sub new {
my $class = shift;
return bless { table_name => $Apache::Session::Store::DBI::TableName }, $class;
}
sub insert {
my $self = shift;
my $session = shift;
$self->connection($session);
local $self->{dbh}->{RaiseError} = 1;
if (!defined $self->{insert_sth}) {
$self->{insert_sth} =
$self->{dbh}->prepare_cached(qq{
INSERT INTO $self->{'table_name'} (id, a_session) VALUES (?,?)});
}
$self->{insert_sth}->bind_param(1, $session->{data}->{_session_id});
$self->{insert_sth}->bind_param(2, $session->{serialized});
$self->{insert_sth}->execute;
$self->{insert_sth}->finish;
}
sub update {
my $self = shift;
my $session = shift;
$self->connection($session);
local $self->{dbh}->{RaiseError} = 1;
if (!defined $self->{update_sth}) {
$self->{update_sth} =
$self->{dbh}->prepare_cached(qq{
UPDATE $self->{'table_name'} SET a_session = ? WHERE id = ?});
}
$self->{update_sth}->bind_param(1, $session->{serialized});
$self->{update_sth}->bind_param(2, $session->{data}->{_session_id});
$self->{update_sth}->execute;
$self->{update_sth}->finish;
}
sub materialize {
my $self = shift;
my $session = shift;
$self->connection($session);
local $self->{dbh}->{RaiseError} = 1;
if (!defined $self->{materialize_sth}) {
$self->{materialize_sth} =
$self->{dbh}->prepare_cached(qq{
SELECT a_session FROM $self->{'table_name'} WHERE id = ?});
}
$self->{materialize_sth}->bind_param(1, $session->{data}->{_session_id});
$self->{materialize_sth}->execute;
my $results = $self->{materialize_sth}->fetchrow_arrayref;
if (!(defined $results)) {
die "Object does not exist in the data store";
}
$self->{materialize_sth}->finish;
$session->{serialized} = $results->[0];
}
sub remove {
my $self = shift;
my $session = shift;
$self->connection($session);
local $self->{dbh}->{RaiseError} = 1;
if (!defined $self->{remove_sth}) {
$self->{remove_sth} =
$self->{dbh}->prepare_cached(qq{
DELETE FROM $self->{'table_name'} WHERE id = ?});
}
$self->{remove_sth}->bind_param(1, $session->{data}->{_session_id});
$self->{remove_sth}->execute;
$self->{remove_sth}->finish;
}
1;
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