X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FRelationship.pm;h=c6f744d3a9b47578b833b1b48f881fee402ffcc5;hb=fcf32d045;hp=f2c33f5ba32f55cf9ec73c126dd576cd94f43b81;hpb=6c30f9c308d6c2f2d6ad82bce84dc70cbd408852;p=dbsrgits%2FDBIx-Class.git diff --git a/lib/DBIx/Class/Relationship.pm b/lib/DBIx/Class/Relationship.pm index f2c33f5..c6f744d 100644 --- a/lib/DBIx/Class/Relationship.pm +++ b/lib/DBIx/Class/Relationship.pm @@ -75,7 +75,7 @@ Each relationship sets up an accessor method on the L objects that represent the items of your table. From L objects, the relationships can be searched using the "search_related" method. -In list context, each returns a list of Row objects for the related class, +In list context, each returns a list of Result objects for the related class, in scalar context, a new ResultSet representing the joined tables is returned. Thus, the calls can be chained to produce complex queries. Since the database is not actually queried until you attempt to retrieve @@ -137,7 +137,7 @@ in this class or C specifies a reference to a join condition. =item accessor_name This argument is the name of the method you can call on a -L object to retrieve the instance of the foreign +L object to retrieve the instance of the foreign class matching this relationship. This is often called the C. @@ -164,9 +164,9 @@ more info see L. =back # in a Book class (where Author has many Books) - My::DBIC::Schema::Book->belongs_to( - author => - 'My::DBIC::Schema::Author', + My::DBIC::Schema::Book->belongs_to( + author => + 'My::DBIC::Schema::Author', 'author_id' ); @@ -174,11 +174,11 @@ more info see L. My::DBIC::Schema::Book->belongs_to( author => 'My::DBIC::Schema::Author', - { 'foreign.author_id' => 'self.author_id' } + { 'foreign.author_id' => 'self.author_id' } ); # OR (similar result but uglier accessor name) - My::DBIC::Schema::Book->belongs_to( + My::DBIC::Schema::Book->belongs_to( author_id => 'My::DBIC::Schema::Author' ); @@ -203,9 +203,9 @@ declaration is shown below: # in a Book class (where Author has_many Books) __PACKAGE__->belongs_to( - author => + author => 'My::DBIC::Schema::Author', - 'author', + 'author', { join_type => 'left' } ); @@ -231,13 +231,13 @@ which can be assigned to relationships as well. =over 4 -=item Arguments: $accessor_name, $related_class, $their_fk_column|\%cond|\@cond|\&cond?, \%attrs? +=item Arguments: $accessor_name, $related_class, $their_fk_column|\%cond|\@cond|\&cond?, L<\%attrs?|DBIx::Class::ResultSet/ATTRIBUTES> =back Creates a one-to-many relationship where the foreign class refers to this class's primary key. This relationship refers to zero or more -records in the foreign table (e.g. a C). This relationship +records in the foreign table (e.g. a C). This relationship defaults to using the end of this classes namespace as the foreign key in C<$related_class> to resolve the join, unless C<$their_fk_column> specifies the foreign key column in C<$related_class> or C @@ -248,9 +248,9 @@ specifies a reference to a join condition. =item accessor_name This argument is the name of the method you can call on a -L object to retrieve a resultset of the related -class restricted to the ones related to the row object. In list -context it returns the row objects. This is often called the +L object to retrieve a resultset of the related +class restricted to the ones related to the result object. In list +context it returns the result objects. This is often called the C. Use this accessor_name in L @@ -278,28 +278,28 @@ more info see L. # in an Author class (where Author has_many Books) # assuming related class is storing our PK in "author_id" My::DBIC::Schema::Author->has_many( - books => - 'My::DBIC::Schema::Book', + books => + 'My::DBIC::Schema::Book', 'author_id' ); # OR (same result) My::DBIC::Schema::Author->has_many( - books => - 'My::DBIC::Schema::Book', + books => + 'My::DBIC::Schema::Book', { 'foreign.author_id' => 'self.id' }, ); # OR (similar result, assuming related_class is storing our PK, in "author") # (the "author" is guessed at from "Author" in the class namespace) My::DBIC::Schema::Author->has_many( - books => - 'My::DBIC::Schema::Book', + books => + 'My::DBIC::Schema::Book', ); # Usage - # resultset of Books belonging to author + # resultset of Books belonging to author my $booklist = $author->books; # resultset of Books belonging to author, restricted by author name @@ -355,7 +355,7 @@ relationships as well. =over 4 -=item Arguments: $accessor_name, $related_class, $their_fk_column|\%cond|\@cond|\&cond?, \%attrs? +=item Arguments: $accessor_name, $related_class, $their_fk_column|\%cond|\@cond|\&cond?, L<\%attrs?|DBIx::Class::ResultSet/ATTRIBUTES> =back @@ -370,7 +370,7 @@ condition. =item accessor_name This argument is the name of the method you can call on a -L object to retrieve the instance of the foreign +L object to retrieve the instance of the foreign class matching this relationship. This is often called the C. @@ -450,7 +450,7 @@ you probably just meant to use C. =over 4 -=item Arguments: $accessor_name, $related_class, $their_fk_column|\%cond|\@cond|\&cond?, \%attrs? +=item Arguments: $accessor_name, $related_class, $their_fk_column|\%cond|\@cond|\&cond?, L<\%attrs?|DBIx::Class::ResultSet/ATTRIBUTES> =back @@ -465,7 +465,7 @@ condition. =item accessor_name This argument is the name of the method you can call on a -L object to retrieve the instance of the foreign +L object to retrieve the instance of the foreign class matching this relationship. This is often called the C. @@ -493,20 +493,20 @@ more info see L. # Every book has exactly one ISBN My::DBIC::Schema::Book->has_one( - isbn => + isbn => 'My::DBIC::Schema::ISBN', 'book_id', ); # OR (same result, assuming related_class stores our PK) My::DBIC::Schema::Book->has_one( - isbn => + isbn => 'My::DBIC::Schema::ISBN', ); # OR (same result) My::DBIC::Schema::Book->has_one( - isbn => + isbn => 'My::DBIC::Schema::ISBN', { 'foreign.book_id' => 'self.id' }, ); @@ -543,7 +543,7 @@ L. =over 4 -=item Arguments: $accessor_name, $link_rel_name, $foreign_rel_name, \%attrs? +=item Arguments: $accessor_name, $link_rel_name, $foreign_rel_name, L<\%attrs?|DBIx::Class::ResultSet/ATTRIBUTES> =back @@ -553,8 +553,8 @@ L. C is not strictly a relationship in its own right. Instead, it is a bridge between two resultsets which provide the same kind of convenience -accessors as true relationships provide. Although the accessor will return a -resultset or collection of objects just like has_many does, you cannot call +accessors as true relationships provide. Although the accessor will return a +resultset or collection of objects just like has_many does, you cannot call C and similar methods which operate on true relationships. =over @@ -562,7 +562,7 @@ C and similar methods which operate on true relationships. =item accessor_name This argument is the name of the method you can call on a -L object to retrieve the rows matching this +L object to retrieve the rows matching this relationship. On a many_to_many, unlike other relationships, this cannot be used in @@ -633,9 +633,9 @@ relationships as well. 1; -=head1 AUTHORS +=head1 AUTHOR AND CONTRIBUTORS -see L +See L and L in DBIx::Class =head1 LICENSE