Module: ActiveRecord::ConnectionAdapters::SQLServer::CoreExt::Calculations

Defined in:
lib/active_record/connection_adapters/sqlserver/core_ext/calculations.rb

Instance Method Summary collapse

Instance Method Details

#calculate(operation, column_name) ⇒ Object

Same as original except we don't perform PostgreSQL hack that removes ordering.



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# File 'lib/active_record/connection_adapters/sqlserver/core_ext/calculations.rb', line 12

def calculate(operation, column_name)
  return super unless klass.connection.adapter_name == "SQLServer"

  if has_include?(column_name)
    relation = apply_join_dependency

    if operation.to_s.downcase == "count"
      unless distinct_value || distinct_select?(column_name || select_for_count)
        relation.distinct!
        relation.select_values = [klass.primary_key || table[Arel.star]]
      end
    end

    relation.calculate(operation, column_name)
  else
    perform_calculation(operation, column_name)
  end
end