instance method translate_exception

# File activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb, line 171
        def translate_exception(exception, message:, sql:, binds:)
          if exception.is_a?(::Mysql2::Error::TimeoutError) && !exception.error_number
            ActiveRecord::AdapterTimeout.new(message, sql: sql, binds: binds, connection_pool: @pool)
          elsif exception.is_a?(::Mysql2::Error::ConnectionError)
            if exception.message.match?(/MySQL client is not connected/i)
              ActiveRecord::ConnectionNotEstablished.new(exception, connection_pool: @pool)
            else
              ActiveRecord::ConnectionFailed.new(message, sql: sql, binds: binds, connection_pool: @pool)
            end
          else
            super
          end
        end