method
column_for
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Class: ActiveRecord::Calculations
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column_for(field)
private
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# File activerecord/lib/active_record/relation/calculations.rb, line 335 def column_for(field) field_name = field.respond_to?(:name) ? field.name.to_s : field.to_s.split('.').last @klass.columns.detect { |c| c.name.to_s == field_name } end