debian man page for class::dbi::loader::relationship

Query: class::dbi::loader::relationship

OS: debian

Section: 3pm

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

Relationship(3pm)					User Contributed Perl Documentation					 Relationship(3pm)

NAME
Class::DBI::Loader::Relationship - Easier relationship specification in CDBI::L
SYNOPSIS
use Class::DBI::Loader::Relationship; my $loader = Class::DBI::Loader->new( dsn => "mysql:beerdb", namespace => "BeerDB"); Now instead of saying BeerDB::Brewery->has_many(beers => "BeerDB::Beer"); BeerDB::Beer->has_a(brewery => "BeerDB::Brewery"); BeerDB::Handpump->has_a(beer => "BeerDB::Beer"); BeerDB::Handpump->has_a(pub => "BeerDB::Pub"); BeerDB::Pub->has_many(beers => [ BeerDB::Handpump => 'beer' ]); BeerDB::Beer->has_many(pubs => [ BeerDB::Handpump => 'pub' ]); Just say $loader->relationship( "a brewery produces beers" ); $loader->relationship( "a pub has beers on handpumps" );
DESCRIPTION
This module acts as a mix-in, adding the "relationship" method to "Class::DBI::Loader". Since "Class::DBI::Loader" knows how to map between table names and class names, there ought to be no need to replicate the names. In addition, it is common (but not universal) to want reverse relationships defined for has-many relationships, and for has-a relationships to be defined for the linkages surrounding a many-to-many table. The aim of "CDBIL::Relationship" is to simplify the declaration of common database relationships by providing both of these features. The "relationship" takes a string. It recognises table names (singular or plural, for convenience) and extracts them from the "sentence".
AUTHOR
Simon Cozens, "simon@cpan.org"
SEE ALSO
Class::DBI::Loader. perl v5.10.1 2010-07-04 Relationship(3pm)
Related Man Pages
class::dbi::loader(3pm) - debian
class::dbi::loader::relationship(3pm) - debian
dbix::class::schema::loader::dbi::interbase(3pm) - debian
dbix::class::schema::loader::dbi::mssql(3pm) - debian
dbix::class::schema::loader::relbuilder(3pm) - debian
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