NAME

Mango::Collection - MongoDB collection

SYNOPSIS

  use Mango::Collection;

  my $collection = Mango::Collection->new(db => $db);
  my $cursor     = $collection->find({foo => 'bar'});

DESCRIPTION

Mango::Collection is a container for MongoDB collections used by Mango::Database.

ATTRIBUTES

Mango::Collection implements the following attributes.

db

  my $db      = $collection->db;
  $collection = $collection->db(Mango::Database->new);

Mango::Database object this collection belongs to.

name

  my $name    = $collection->name;
  $collection = $collection->name('bar');

Name of this collection.

METHODS

Mango::Collection inherits all methods from Mojo::Base and implements the following new ones.

find

  my $cursor = $collection->find({foo => 'bar'});

Get Mango::Cursor object for query.

find_one

  my $doc = $collection->find_one({foo => 'bar'});
  my $doc = $collection->find_one($oid);

Find one document. You can also append a callback to perform operation non-blocking.

  $collection->find_one({foo => 'bar'} => sub {
    my ($collection, $err, $doc) = @_;
    ...
  });
  Mojo::IOLoop->start unless Mojo::IOLoop->is_running;

full_name

  my $name = $collection->full_name;

Full name of this collection.

insert

  my $oid  = $collection->insert({foo => 'bar'});
  my $oids = $collection->insert([{foo => 'bar'}, {baz => 'yada'}]);

Insert one or more documents into collection. You can also append a callback to perform operation non-blocking.

  $collection->insert({foo => 'bar'} => sub {
    my ($collection, $err, $oid) = @_;
    ...
  });
  Mojo::IOLoop->start unless Mojo::IOLoop->is_running;

remove

  my $doc = $collection->remove;
  my $doc = $collection->remove({foo => 'bar'});
  my $doc = $collection->remove({foo => 'bar'}, {single => 1});

Remove documents from collection. You can also append a callback to perform operation non-blocking.

  $collection->remove(({foo => 'bar'}, {single => 1}) => sub {
    my ($collection, $err, $doc) = @_;
    ...
  });
  Mojo::IOLoop->start unless Mojo::IOLoop->is_running;

These options are currently available:

single: Remove only one document.

update

  my $doc = $collection->update({foo => 'bar'}, {foo => 'baz'});
  my $doc = $collection->update({foo => 'bar'}, {foo => 'baz'}, {multi => 1});

Update document in collection. You can also append a callback to perform operation non-blocking.

  $collection->update(({foo => 'bar'}, {foo => 'baz'}, {multi => 1}) => sub {
    my ($collection, $err, $doc) = @_;
    ...
  });
  Mojo::IOLoop->start unless Mojo::IOLoop->is_running;