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Only fetch relationships when needed
Is there a way to fetch a document, and only fetch the documents related to it when needed? For example comments on a post shouldn't be loaded right away if a user didn't ask for them.
TL;DR
Developers are suggesting using the select query to only fetch specific columns when needed. This way, unrelated columns will not be loaded right away. 
I think you can use the select query and select all the items you need, if you don't need that related column don't select it.
