Fey::FK - Represents a foreign key
my $fk = Fey::FK->new( source => $user_id_from_user_table, target => $user_id_from_department_table, );
This class represents a foreign key, connecting one or more columns in one table to columns in another table.
This class provides the following methods:
This method constructs a new
Fey::FK object. It takes the following parameters:
These parameters must be either a single
Fey::Column object or an array reference containing one or more column objects.
The number of columns for the source and target must be the same.
Returns the appropriate
Returns the appropriate list of
Fey::Column objects as an array reference.
Returns an array reference. Each element of this reference is in turn a two-element array reference of
Fey::Column objects, one from the source table and one from the target.
This method returns true if the foreign key includes both of the specified tables. The tables can be specified by name or as
Fey::Column object, this method returns true if the foreign key includes the specified column.
This returns true if the the source and target tables for the foreign key are the same table.
Returns a stringified representation of the foreign key in a pretty layout something like this:
User Message ------- ------- user_id user_id
See Fey for details on how to report bugs.
Dave Rolsky <email@example.com>
This software is Copyright (c) 2011 by Dave Rolsky.
This is free software, licensed under:
The Artistic License 2.0 (GPL Compatible)