instance method `aggregate_column`

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:

aggregate_column(column_name)

No documentation comment.

Parameters

column_name req

Source

# File activerecord/lib/active_record/relation/calculations.rb, line 228
    def aggregate_column(column_name)
      if @klass.column_names.include?(column_name.to_s)
        Arel::Attribute.new(@klass.unscoped.table, column_name)
      else
        Arel.sql(column_name == :all ? "*" : column_name.to_s)
      end
    end

Defined in activerecord/lib/active_record/relation/calculations.rb line 228 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::Calculations

Signature

Parameters