instance method `select_for_count`

Ruby on Rails 4.0.13

Since v3.0.20 Private

Available in: v3.0.20 v3.1.12 v3.2.22.5 v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

select_for_count()

TODO: refactor to allow non-string select_values (eg. Arel nodes).

Source

# File activerecord/lib/active_record/relation/calculations.rb, line 382
    def select_for_count
      if select_values.present?
        select = select_values.join(", ")
        select if select !~ /[,*]/
      end
    end

Defined in activerecord/lib/active_record/relation/calculations.rb line 382 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::Calculations

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