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Tatsuhiko Miyagawa > Class-DBI-AbstractSearch > Class::DBI::AbstractSearch



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Module Version: 0.07   Source  


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 { '!=', 'outdated' },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 { '!=', 'outdated' } },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.


Takes a hash to specify WHERE clause. See SQL::Abstract for hash options.


Takes hash reference to specify WHERE clause. See SQL::Abstract for hash options. Takes a hash reference to specify additional query attributes. Class::DBI::AbstractSearch uses these attributes:

  • order_by

    Array reference of fields that will be used to order the results of your query.

  • limit_dialect

    Scalar, DBI handle, object class, etc. that describes the syntax model for a LIMIT/OFFSET SQL clause. Please see SQL::Abstract::Limit for more information.

  • limit

    Scalar value that will be used for LIMIT argument in a query.

  • offset

    Scalar 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 <> 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.


Class::DBI, SQL::Abstract, SQL::Abstract::Limit

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