NAME¶
DR::Tarantool::Spaces - spaces container
SYNOPSIS¶
use DR::Tarantool::Spaces;
my $s = new DR::Tarantool::Spaces({
1 => {
name => 'users', # space name
default_type => 'STR', # undescribed fields
fields => [
qw(login password role),
{
name => 'counter',
type => 'NUM'
},
{
name => 'something',
type => 'UTF8STR',
},
{
name => 'opts',
type => 'JSON',
}
],
indexes => {
0 => 'login',
1 => [ qw(login password) ],
2 => {
name => 'my_idx',
fields => 'login',
},
3 => {
name => 'my_idx2',
fields => [ 'counter', 'something' ]
}
}
},
0 => {
...
}
});
my $f = $s->pack_field('users', 'counter', 10);
my $f = $s->pack_field('users', 1, 10); # the same
my $f = $s->pack_field(1, 1, 10); # the same
my $ts = $s->pack_keys([1,2,3] => 'my_idx');
my $t = $s->pack_primary_key([1,2,3]);
DESCRIPTION¶
The package describes all spaces that You use. It supports the following field
types:
- NUM, NUM64, STR
- - standard tarantool <http://tarantool.org>
types.
- UTF8STR
- - the same as STR, but string will be utf8-decoded
after extracting from database.
- INT & INT64
- - the same as NUM and NUM64, but contain
signed values.
- JSON
- - the filed will be encoded by JSON::XS before inserting
and decoded after extracting from database.
METHODS¶
new¶
my $spaces = DR::Tarantool::Spaces->new( $spaces );
space¶
Returns space object by number or name.
my $space = $spaces->space('name');
my $space = $spaces->space(0);
pack_field¶
packs one field before making database request
my $field = $spaces->pack_field('space', 'field', $data);
unpack_field¶
unpacks one field after extracting data from database
my $field = $spaces->unpack_field('space', 'field', $data);
pack_tuple¶
packs tuple before making database request
my $t = $spaces->pack_tuple('space', [ 1, 2, 3 ]);
unpack_tuple¶
unpacks tuple after extracting data from database
my $t = $spaces->unpack_tuple('space', \@fields);
SPACES methods¶
new¶
constructor
use DR::Tarantool::Spaces;
my $space = DR::Tarantool::Space->new($no, $space);
name¶
returns space name
number¶
returns space number
pack_field¶
packs field before making database request
unpack_field¶
unpacks field after extracting data from database
pack_tuple¶
packs tuple before making database request
unpack_tuple¶
unpacks tuple after extracting data from database
COPYRIGHT AND LICENSE¶
Copyright (C) 2011 Dmitry E. Oboukhov <unera@debian.org>
Copyright (C) 2011 Roman V. Nikolaev <rshadow@rambler.ru>
This program is free software, you can redistribute it and/or
modify it under the terms of the Artistic License.
VCS¶
The project is placed git repo on github:
https://github.com/unera/dr-tarantool/
<
https://github.com/unera/dr-tarantool/>.