instance method `select_for_count`

Ruby on Rails 8.0.4

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

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select_for_count()

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Source

# File activerecord/lib/active_record/relation/calculations.rb, line 644
      def select_for_count
        if select_values.empty?
          :all
        else
          with_connection do |conn|
            arel_columns(select_values).map { |column| conn.visitor.compile(column) }.join(", ")
          end
        end
      end

Defined in activerecord/lib/active_record/relation/calculations.rb line 644 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::Calculations

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