Rails: how to select_rows with fields names (mysql) -

i looking way result set mysql query similar output of activerecord::base.connection.select_rows includes result's columns names first element.

for example:

activerecord::base.connection.select_rows_with_fields("select id,name users")      => [["id", "name"], ["1","amy"],["2","bob"],["3","cam"]] 

select_rows_with_fields:

module activerecord   module connectionadapters     class mysql2adapter       def select_rows_with_fields(sql)         result = execute(sql)         rows = result.to_a         rows.unshift(result.fields)       end     end   end end