7.4.1 mysql_fetch_row_nonblocking()

enum net_async_status
mysql_fetch_row_nonblocking(MYSQL_RES *result,
                            MYSQL_ROW *row)



mysql_fetch_row_nonblocking() is an asynchronous function. It is the counterpart of the mysql_fetch_row() synchronous function, for use by applications that require asynchronous communication with the server. For general information about writing asynchronous C API applications, see Chapter 7, C API Asynchronous Interface.

mysql_fetch_row_nonblocking() is used similarly to mysql_fetch_row(). For details about the latter, see Section 5.4.22, “mysql_fetch_row()”. The two functions differ as follows:

mysql_fetch_row_nonblocking() was added in MySQL 8.0.16.

Return Values

Returns an enum net_async_status value. See the description in Section 7.2, “C API Asynchronous Interface Data Structures”. A NET_ASYNC_ERROR return status indicates an error.