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https://dev.mysql.com/doc/c-api/8.4/en/mysql-reload.html
int mysql_reload(MYSQL *mysql) Description Asks the MySQL server to reload the grant tables. Use mysql_real_query() or mysql_query() to issue an SQL FLUSH PRIVILEGES statement instead. CR_SERVER_LOST The connection to the server was lost during the ...
https://dev.mysql.com/doc/c-api/8.4/en/mysql-reset-connection.html
int mysql_reset_connection(MYSQL *mysql) Description Resets the connection to clear the session state. mysql_reset_connection() has effects similar to mysql_change_user() or an auto-reconnect except that the connection is not closed and reopened, ...
https://dev.mysql.com/doc/c-api/8.4/en/mysql-select-db.html
int mysql_select_db(MYSQL *mysql, const char *db) Description Causes the database specified by db to become the default (current) database on the connection specified by mysql. In subsequent queries, this database is the default for table ...
https://dev.mysql.com/doc/c-api/8.4/en/mysql-session-track-get-next.html
int mysql_session_track_get_next(MYSQL *mysql, enum enum_session_state_type type, const char **data, size_t *length) Description This function fetches additional session state-change information received from the server, following that retrieved by ...
https://dev.mysql.com/doc/c-api/8.4/en/mysql-set-character-set.html
int mysql_set_character_set(MYSQL *mysql, const char *csname) Description This function is used to set the default character set for the current connection. The connection collation becomes the default collation of the character set. This function ...
https://dev.mysql.com/doc/c-api/8.4/en/mysql-set-server-option.html
int mysql_set_server_option(MYSQL *mysql, enum enum_mysql_set_option option) Description Enables or disables an option for the connection. Option Description MYSQL_OPTION_MULTI_STATEMENTS_ON Enable multiple-statement support ...
https://dev.mysql.com/doc/c-api/8.4/en/mysql-shutdown.html
int mysql_shutdown(MYSQL *mysql, enum mysql_enum_shutdown_level shutdown_level) Description Note mysql_shutdown() is deprecated and will be removed in a future version of MySQL. MySQL servers support only one type of shutdown; shutdown_level must ...
https://dev.mysql.com/doc/c-api/8.4/en/mysql-stmt-attr-set.html
bool mysql_stmt_attr_set(MYSQL_STMT *stmt, enum enum_stmt_attr_type option, const void *arg) Description Can be used to affect behavior for a prepared statement. This function may be called multiple times to set several options. The option argument ...
https://dev.mysql.com/doc/c-api/8.4/en/mysql-stmt-errno.html
unsigned int mysql_stmt_errno(MYSQL_STMT *stmt) Description For the statement specified by stmt, mysql_stmt_errno() returns the error code for the most recently invoked statement API function that can succeed or fail. Client error message numbers ...
https://dev.mysql.com/doc/c-api/8.4/en/mysql-stmt-field-count.html
unsigned int mysql_stmt_field_count(MYSQL_STMT *stmt) Description Returns the number of columns for the most recent statement for the statement handler. This value is zero for statements such as INSERT or DELETE that do not produce result sets.