Class::DBI::AbstractSearch - Abstract Class::DBI's SQL with SQL::Abstract::Limit |
Class::DBI::AbstractSearch - Abstract Class::DBI's SQL with SQL::Abstract::Limit
package CD::Music; use Class::DBI::AbstractSearch;
package main; my @music = CD::Music->search_where( artist => [ 'Ozzy', 'Kelly' ], status => { '!=', 'outdated' }, );
my @misc = CD::Music->search_where( { artist => [ 'Ozzy', 'Kelly' ], status => { '!=', 'outdated' } }, { order_by => "reldate DESC", limit_dialect => 'LimitOffset', limit => 1 offset => 2 });
Class::DBI::AbstractSearch is a Class::DBI plugin to glue SQL::Abstract::Limit into Class::DBI.
Using this module adds following methods into your data class.
$class->search_where(%where);
Takes a hash to specify WHERE clause. See the SQL::Abstract manpage for hash options.
$class->search_where(\%where,\%attrs);
Takes hash reference to specify WHERE clause. See the SQL::Abstract manpage for hash options. Takes a hash reference to specify additional query attributes. Class::DBI::AbstractSearch uses these attributes:
Array reference of fields that will be used to order the results of your query.
limit_dialectScalar, DBI handle, object class, etc. that describes the syntax model for a LIMIT/OFFSET SQL clause. Please see SQL::Abstract::Limit for more information.
limitScalar value that will be used for LIMIT argument in a query.
offsetScalar value that will be used for OFFSET argument in a query.
Any other attributes are passed to the SQL::Abstract::Limit constructor, and can be used to control how queries are created. For example, to use 'AND' instead of 'OR' by default, use:
$class->search_where(\%where, { logic => 'AND' });
Tatsuhiko Miyagawa <miyagawa@bulknews.net> with some help from cdbi-talk mailing list, especially:
Tim Bunce Simon Wilcox Tony Bowden
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
the Class::DBI manpage, the SQL::Abstract manpage, the SQL::Abstract::Limit manpage
Class::DBI::AbstractSearch - Abstract Class::DBI's SQL with SQL::Abstract::Limit |