and thinking about backward compability, if we start automatically doing projection queries and users don't have the proper indexes the queries will fail until they specify the indexes. (though it could just be an upgrade step for users to generate the proper indexes).
is there a strong preference between automatic projection queries or user specified? On Tuesday, June 12, 2012 11:49:16 AM UTC-7, Anthony wrote: > > It is a requirement that if a list of fields is specific in the >> select(*fields) a superset of those fields be returned. Not a subset and >> not an error. This is because of backward compatibility. We need to detect >> problems with *fields and find a workaround. > > > Or at the very least, make the projection query optional (and not the > default). In that case, the user can be responsible for making sure the > projection query is valid, and if the case does not allow for a projection > query, they can simply get the standard behavior. > > Anthony >
