How to use Perl's DBI connect when no mysql passwd is set?

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cgi::session::driver::dbi

CGI::Session::Driver::DBI(3pm)				User Contributed Perl Documentation			    CGI::Session::Driver::DBI(3pm)

NAME

       CGI::Session::Driver::DBI - Base class for native DBI-related CGI::Session drivers

SYNOPSIS

	   require CGI::Session::Driver::DBI;
	   @ISA = qw( CGI::Session::Driver::DBI );

DESCRIPTION

       In most cases you can create a new DBI-driven CGI::Session driver by simply creating an empty driver file that inherits from
       CGI::Session::Driver::DBI. That's exactly what sqlite does. The only reason why this class doesn't suit for a valid driver is its name
       isn't in lowercase. I'm serious!

   NOTES
       CGI::Session::Driver::DBI defines init() method, which makes DBI handle available for drivers in Handle - object attribute regardless of
       what "\%dsn_args" were used in creating session object. Should your driver require non-standard initialization you have to re-define init()
       method in your .pm file, but make sure to set 'Handle' - object attribute to database handle (returned by DBI->connect(...)) if you wish to
       inherit any of the methods from CGI::Session::Driver::DBI.

STORAGE

       Before you can use any DBI-based session drivers you need to make sure compatible database table is created for CGI::Session to work with.
       Following command will produce minimal requirements in most SQL databases:

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

       Your session table can define additional columns, but the above two are required. Name of the session table is expected to be sessions by
       default. You may use a different name if you wish. To do this you have to pass TableName as part of your " \%dsn_args ":

	   $s = CGI::Session->new('driver:sqlite', undef, {TableName=>'my_sessions'});
	   $s = CGI::Session->new('driver:mysql', undef,
	   {
	       TableName=>'my_sessions',
	       DataSource=>'dbi:mysql:shopping_cart'.
	   });

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

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

       or

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

DRIVER ARGUMENTS

       Following driver arguments are supported:

       DataSource
	   First argument to be passed to DBI->connect(). If the driver makes the database connection itself, it will also explicitly disconnect
	   from the database when the driver object is DESTROYed.

       User
	   User privileged to connect to the database defined in "DataSource".

       Password
	   Password of the User privileged to connect to the database defined in "DataSource"

       Handle
	   An existing DBI database handle object. The handle can be created on demand by providing a code reference as a argument, such as
	   "<sub{DBI-"connect}>>.  This way, the database connection is only created if it actually needed. This can be useful when combined with
	   a framework plugin like CGI::Application::Plugin::Session, which creates a CGI::Session object on demand as well.

	   "Handle" will override all the above arguments, if any present.

       TableName
	   Name of the table session data will be stored in.

LICENSING

       For support and licensing information see CGI::Session

perl v5.12.4							    2011-07-08					    CGI::Session::Driver::DBI(3pm)

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