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Manual Reference Pages  -  CGI::SESSION::DRIVER::MYSQL (3)

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NAME

CGI::Session::Driver::mysql - CGI::Session driver for MySQL database

CONTENTS

SYNOPSIS



    $s = CGI::Session->new( driver:mysql, $sid);
    $s = CGI::Session->new( driver:mysql, $sid, { DataSource  => dbi:mysql:test,
                                                   User        => sherzodr,
                                                   Password    => hello });
    $s = CGI::Session->new( driver:mysql, $sid, { Handle => $dbh } );



DESCRIPTION

<B>mysqlB> stores session records in a MySQL table. For details see CGI::Session::Driver::DBI, its parent class.

It’s especially important for the MySQL driver that the session ID column be defined as a primary key, or at least unique, like this:



 CREATE TABLE sessions (
     id CHAR(32) NOT NULL PRIMARY KEY,
     a_session TEXT NOT NULL
  );



To use different column names, change the ’create table’ statement, and then simply do this:



    $s = CGI::Session->new(driver:mysql, undef,
    {
        TableName=>session,
        IdColName=>my_id,
        DataColName=>my_data,
        DataSource=>dbi:mysql:project,
    });



or



    $s = CGI::Session->new(driver:mysql, undef,
    {
        TableName=>session,
        IdColName=>my_id,
        DataColName=>my_data,
        Handle=>$dbh,
    });



    DRIVER ARGUMENTS

<B>mysqlB> driver supports all the arguments documented in CGI::Session::Driver::DBI. In addition, DataSource argument can optionally leave leading dbi:mysql: string out:



    $s = CGI::Session->new( driver:mysql, $sid, {DataSource=>shopping_cart});
    # is the same as:
    $s = CGI::Session->new( driver:mysql, $sid, {DataSource=>dbi:mysql:shopping_cart});



    BACKWARDS COMPATIBILITY

As of V 4.30, the global variable $CGI::Session::MySQL::TABLE_NAME cannot be used to set the session table’s name.

This is due to changes in CGI::Session::Driver’s new() method, which now allows the table’s name to be changed (as well as allowing both the ’id’ column name and the ’a_session’ column name to be changed).

See the documentation for CGI::Session::Driver::DBI for details.

In particular, the new syntax for new() applies to all database drivers, whereas the old - and bad - global variable method only applied to MySQL.

Alternately, call $session -> table_name(’new_name’) just after creating the session object if you wish to change the session table’s name.

LICENSING

For support and licensing see CGI::Session.
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perl v5.20.3 CGI::SESSION::DRIVER::MYSQL (3) 2011-07-11

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