Question 1

How does deep_pluck compare to as_json in terms of performance?

Accepted Answer

DeepPluck is significantly faster, with benchmarks showing 4x to 40x speed improvements by avoiding object instantiation and returning raw data. However, it sacrifices ActiveRecord object features for this gain.

Question 2

Can deep_pluck handle has_many through associations?

Accepted Answer

The README doesn't explicitly mention it, so it might have limitations. For complex associations, you may need to test or use alternative methods, as deep_pluck focuses on standard ActiveRecord relationships.

Question 3

Is deep_pluck compatible with Rails 7.1 and Ruby 3.2?

Accepted Answer

Yes, the README lists support for Rails up to 7.2 and Ruby up to 3.2, so it should work seamlessly with newer versions, but always check the gem's documentation for updates.

Question 4

What are good alternatives to deep_pluck for nested data plucking?

Accepted Answer

Alternatives include using as_json with includes for simplicity, or gems like active_model_serializers for more control. DeepPluck excels in raw performance but lacks object-oriented features compared to these.

Question 5

How to use deep_pluck with custom SQL or select statements?

Accepted Answer

DeepPluck is designed to work with ActiveRecord query chains, so you can chain it after where or select. However, for highly custom SQL, you might need to ensure the plucked attributes align with association keys to avoid errors.

Question 6

Does deep_pluck work with ActiveRecord callbacks or methods?

Accepted Answer

No, since deep_pluck returns plain hashes, any callbacks or instance methods defined on models are not executed, which can be a drawback if your logic relies on them during data retrieval.

DeepPluck

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