By default, alloy will collection.fetch() from a sql adapter using this query:
Where *table* is the name of the table associated with the model/collection. Using a collection, a developer will now be able to do a fetch() based on a custom query, like this:
The developer can put any arbitrary query in the *query* property of the *opts* object passed in to the fetch() function. That queried is assumed to be executed on the database associated with the given model/collection.