(PHP 8 >= 8.4.0)
Pdo\Pgsql::setNoticeCallback — Set a callback to handle notice and warning messages generated by the backend
Set a callback to handle notice and warning messages generated by the backend.
This includes messages emitted by PostgreSQL itself,
as well as those raised by user-defined SQL functions using RAISE.
Please note that the actual receipt of these messages
depends on the backend setting client_min_messages.
callbacknull is passed, the handler is reset to its default state.
Otherwise, the handler is a callback with the following signature:
message没有返回值。
示例 #1 Pdo\Pgsql::setNoticeCallback() example
<?php
<?php
$pdo = new Pdo\Pgsql('pgsql:dbname=test host=localhost', $user, $pass);
$pdo->exec('CREATE TABLE parent(id int primary key)');
$pdo->exec('CREATE TABLE child(id int references parent)');
$pdo->setNoticeCallback(function ($message) {
echo $message;
});
$pdo->exec('TRUNCATE parent CASCADE');
?>以上示例的输出类似于：
NOTICE: truncate cascades to table "child"