instance method `select_for_count`

Ruby on Rails 7.2.3

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 637
      def select_for_count
        if select_values.present?
          return select_values.first if select_values.one?

          select_values.map do |field|
            column = arel_column(field.to_s) do |attr_name|
              Arel.sql(attr_name)
            end

            if column.is_a?(Arel::Nodes::SqlLiteral)
              column
            else
              "#{adapter_class.quote_table_name(column.relation.name)}.#{adapter_class.quote_column_name(column.name)}"
            end
          end.join(", ")
        else
          :all
        end
      end

Defined in activerecord/lib/active_record/relation/calculations.rb line 637 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::Calculations

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