man DBIx::Class::PK () - Primary Key class

NAME

DBIx::Class::PK - Primary Key class

SYNOPSIS

DESCRIPTION

This class contains methods for handling primary keys and methods depending on them.

METHODS

set_primary_key(@cols)

Defines one or more columns as primary key for this class. Should be called after CWcolumns.

find(@colvalues), find(\%cols)

Finds a row based on its primary key(s).

discard_changes

Re-selects the row from the database, losing any changes that had been made.

id

Returns the primary key(s) for a row. Can't be called as a class method.

primary_columns

Read-only accessor which returns the list of primary keys for a class (in scalar context, only returns the first primary key).

ID

Returns a unique id string identifying a row object by primary key. Used by DBIx::Class::CDBICompat::LiveObjectIndex and DBIx::Class::ObjectCache.

AUTHORS

Matt S. Trout <mst@shadowcatsystems.co.uk>

LICENSE

You may distribute this code under the same terms as Perl itself.