method

select_value

v2.0.3 - Show latest stable - Class: ActiveRecord::ConnectionAdapters::DatabaseStatements

select_value(sql, name = nil)

public

Returns a single value from a record

# File activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb, line 18
      def select_value(sql, name = nil)
        if result = select_one(sql, name)
          result.values.first
        end
      end

select_value

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