---
name: "MaxMind::DB::Metadata"
section: "3pm"
platform: "linux"
package: "libmaxmind-db-common-perl"
version: "0.040001-1.1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/MaxMind::DB::Metadata"
---

# MaxMind::DB::Metadata(3pm)

A class for metadata related to a MaxMind DB database

## NAME

MaxMind::DB::Metadata - A class for metadata related to a MaxMind DB database

## VERSION

version 0.040001

## SYNOPSIS

```
    my $reader = MaxMind::DB::Reader->new( file => $path );
    my $metadata = $reader->metadata();
    print $metadata->description()->{en};
```

## DESCRIPTION

This class provides an API for representing the metadata of a MaxMind DB database. See http://maxmind.github.io/MaxMind-DB/ for the official format spec.

## API

This class provides methods for each metadata attribute in a database.

### $metadata-\>binary\_format\_major\_version()

Returns the binary format major version number.

### $metadata-\>binary\_format\_minor\_version()

Returns the binary format minor version number.

### $metadata-\>build\_epoch()

Returns the database's build timestamp as an epoch value.

### $metadata-\>database\_type()

Returns a string indicating the database's type.

### $metadata-\>languages()

Returns an arrayref of locale codes indicating what languages this database has information for.

### $metadata-\>description()

Returns a hashref of descriptions. The keys should be locale codes like "en" or "pt-BR" and the values are the description in that language.

### $metadata-\>ip\_version()

Returns a 4 or 6 indicating what type of IP addresses this database can be used to look up.

### $metadata-\>node\_count()

Returns the number of nodes in the database's search tree.

### $metadata-\>record\_size()

Returns the record size for nodes in the database's search tree.

## AUTHORS

- •

  Dave Rolsky \<drolsky@maxmind.com\>

- •

  Olaf Alders \<oalders@maxmind.com\>

## COPYRIGHT AND LICENSE

This software is Copyright (c) 2016 by MaxMind, Inc..

This is free software, licensed under:

```
  The Artistic License 2.0 (GPL Compatible)
```