:sig
String mysql_error(MySQL* m)

:params
m : pointer to a MySQL connection struct
return value : MySQL error message (if present, otherwise empty string)

:see
>mysql

:content
Returns the last error message associated with the given MySQL connection.

If there is no current error, the result is an empty string.

:example
print("mysql_error is resource-bound; configure the service or connection, then call it in request code.\n");