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ActiveRecord::Simple - Simple to use lightweight implementation of ActiveRecord pattern.
Perl Perl6

add method "abstract"

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README.md

ActiveRecord::Simple

ActiveRecord::Simple - Simple to use lightweight implementation of ActiveRecord pattern.

It is fast, don't have any dependencies and realy easy to use.

The basic setup of your package should be:

package Model::Foo;

use base 'ActiveRecord::Simple';

__PACKAGE__->table_name('foo');
__PACKAGE__->columns(['id', 'bar', 'baz']);
__PACKAGE__->primary_key('id');

1;

And then, you can use your package in a program:

use Foo;

my $foo = Foo->new({ bar => 'value', baz => 'value' });
$foo->save();

# or
my $foo = Foo->get(1);
say $foo->bar;

# or
$foo->bar('new value')->save();

say $foo->bar;

That's it. ActiveRecord::Simple provides a variety of techniques to make your work with data little easier. It contains only a basic set of operations, such as search, create, update and delete data.

ActiveRecord::Simple doesn't handle your database connection, but you may keep it in the special method (class attribute) "dbh":

Foo->dbh($dbh);

# or
ActiveRecord::Simple->dbh($dbh);

# or you can use a special function, like this:
sub dbhandler {
    unless ($dbh->ping) {
        $dbh->connect("...");
    }

    return $dbh;
}

ActiveRecord::Simple->dbh(&dbhandler);

See pod documentation of the module for more information about using ActiveRecord::Simple.

What we've got?

Flexible search

Person->find(1); # by ID
Person->find([1, 2, 3]); # by several ID's
Person->find({ name => 'Foo' }); # by parameters
Person->find('name = ? OR lastname = ?', 'Foo', 'Bar'); # by condition

Person->last;
Person->first;

Easy fetch

# Just one object:
my $bill = Person->find({ name => 'Bill' })->fetch;

# Only 3 objects:
my @list = Person->find('age > ?', 21)->fetch(3);

# All objects:
my @list = Person->find->fetch;

# Even more:
while (my $person = Person->find->fetch) {
    say $person->name;
}

Simple ordering:

Person->find->order_by('name');
Person->find->order_by('name', 'last_name');
Person->find->order_by('name')->desc;

Limit, Offset:

Person->find->limit(3);
Person->find->offset(10);
Person->find->limit(3)->offset(12);

Left joins:

my $person = Person->find->with('misc_info')->fetch;
say $person->name;
say $person->misc_info->zip;

And, of course, all of this together:

my $new_customer =
    Person->find
          ->only('name')
          ->oreder_by('date_register')
          ->desc
          ->limit(1)
          ->with('misc_info', 'payment_info')
          ->fetch;

say $new_customer->name;
say $new_customer->misc_info->zip;
say $new_customer->payment_info->last_payment;

Also one-to-one, one-to-many, many-to-one and many-to-many relations, smart_saving and even more.

Check it out!

INSTALLATION

To install this module, run the following commands:

$ perl Makefile.PL
$ make
$ make test
$ make install

or:

    $ sudo cpan ActiveRecord::Simple

SUPPORT AND DOCUMENTATION

After installing, you can find documentation for this module with the perldoc command.

perldoc ActiveRecord::Simple

Feel free to join as at google groups: https://groups.google.com/forum/#!forum/activerecord-simple

Also the github page: http://shootnix.github.io/activerecord-simple/

LICENSE AND COPYRIGHT

Copyright (C) 2013-2014 shootnix

This program is free software; you can redistribute it and/or modify it under the terms of either: the GNU General Public License as published by the Free Software Foundation; or the Artistic License.

See http://dev.perl.org/licenses/ for more information.

CREDITS

@shootnix @kberov @chorny @lifeofguenter @neilbowers @dsteinbrunner

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