Description
Investigate whether has_many associations have #exists? method that returns whether any child documents exist and queries the database efficiently (i.e. does not retrieve the entire set of child documents)
Document the #exists? method on associations
Remove the #one method added in 4547
Attachments
Issue Links
- is caused by
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MONGOID-4547 Implement #take / #take! for AR feature parity
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- Backlog
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- related to
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MONGOID-4470 relations requests causes scanAndOrder queries
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- Closed
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MONGOID-4522 Make #any? not retrieve entire result set, like #exists?
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- Closed
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- links to