mysql_session_track_get_next - Retrieves the next session status change information

Name Synopsis Description Parameters Return value History See also

Name

mysql_session_track_get_next − Retrieves the next session status change information

Synopsis

#include <mysql.h>


int mysql_session_track_get_next(MYSQL * mysql,
                                 enum enum_session_state_type type,
                                 const char **data,
                                 size_t *length );

Description

mysql_session_track_get_next() retrieves the session status change information received from the server after a successful call to mysql_session_track_get_first(3).

mysql_session_track_get_next() needs to be called repeatedly until a non zero return value indicates end of data.

Parameters

	•		`mysql` − mysql handle, which was previously allocated by mysql_init(3) and connected bys mysql_real_connect(3).
	•		`type` − type of information. Valid values are

•

			`SESSION_TRACK_SYSTEM_VARIABLES`
	•		`SESSION_TRACK_SCHEMA`
	•		`SESSION_TRACK_STATE_CHANGE`
	•		`SESSION_TRACK_GTIDS` (unsupported)
	•

data − pointer to data, which must be declared as const char *

•

length − pointer to a size_t variable, which will contain the length of data

Return value

Zero for success, nonzero if an error occurred.

History

mysql_session_track_get_next() was added in Connector/C 3.0 and MariaDB Server 10.2.