- 'title' => array('type' => 'varchar', 'length' => 191, 'description' => 'title of oEmbed resource when available'),
- 'author_name' => array('type' => 'varchar', 'length' => 50, 'description' => 'author name for this oEmbed resource'),
- 'author_url' => array('type' => 'varchar', 'length' => 191, 'description' => 'author URL for this oEmbed resource'),
- 'url' => array('type' => 'varchar', 'length' => 191, 'description' => 'URL for this oEmbed resource when applicable (photo, link)'),
+ 'title' => array('type' => 'text', 'description' => 'title of oEmbed resource when available'),
+ 'author_name' => array('type' => 'text', 'description' => 'author name for this oEmbed resource'),
+ 'author_url' => array('type' => 'text', 'description' => 'author URL for this oEmbed resource'),
+ 'url' => array('type' => 'text', 'description' => 'URL for this oEmbed resource when applicable (photo, link)'),