Basic tests
Fetch a publisher by key
#set($publisher = $db.publisher.fetch($db.obfuscate(1)))
$publisher.name
Foreach on books:
#foreach($book in $publisher.books)
$book.title
Fetch a book
#set($book = $db.book.fetch($db.obfuscate(1)))
title: $book.title
author: $book.author.full_name