Php/docs/mysqlnduhconnection.getlastmessage
MysqlndUhConnection::getLastMessage
(PECL mysqlnd-uh >= 1.0.0-alpha)
MysqlndUhConnection::getLastMessage — Retrieves information about the most recently executed query
说明
public MysqlndUhConnection::getLastMessage
( mysqlnd_connection $connection
) : void
Retrieves information about the most recently executed query.
参数
connection- Mysqlnd connection handle. Do not modify!
返回值
Last message. Trying to return a string longer than 511 bytes
will cause an error of the type E_WARNING and
result in the string being truncated.
范例
Example #1 MysqlndUhConnection::getLastMessage() example
<?phpclass proxy extends MysqlndUhConnection { public function getLastMessage($res) { printf("%s(%s)\n", __METHOD__, var_export(func_get_args(), true)); $ret = parent::getLastMessage($res); printf("%s returns %s\n", __METHOD__, var_export($ret, true)); return $ret; }}mysqlnd_uh_set_connection_proxy(new proxy());$mysqli = new mysqli("localhost", "root", "", "test");var_dump($mysqli->info);$mysqli->query("DROP TABLE IF EXISTS test");var_dump($mysqli->info);?>
以上例程会输出：
proxy::getLastMessage(array ( 0 => NULL, )) proxy::getLastMessage returns '' string(0) "" proxy::getLastMessage(array ( 0 => NULL, )) proxy::getLastMessage returns '' string(0) ""
参见
- mysqlnd_uh_set_connection_proxy() - Installs a proxy for mysqlnd connections
- mysqli_info() - 返回最近执行的 SQL 语句的信息
- mysql_info() - 取得最近一条查询的信息
