(沒有版本資訊，可能只在 Git 中)
DocResult::getWarningsCount — 取得上次操作的警告數量
此函數沒有參數。
上次操作的警告數量。
範例 #1 mysql_xdevapi\DocResult::getWarningsCount() 範例
<?php
$session = mysql_xdevapi\getSession("mysqlx://user:password@localhost");
$session->sql("DROP DATABASE IF EXISTS addressbook")->execute();
$session->sql("CREATE DATABASE addressbook")->execute();
$schema = $session->getSchema("addressbook");
$create = $schema->createCollection("people");
$create->add('{"name": "Alfred", "age": 18, "job": "Butler"}')->execute();
$create->add('{"name": "Reginald", "age": 42, "job": "Butler"}')->execute();
// ...
$collection = $schema->getCollection("people");
// 產生一個 DocResult 物件
$result = $collection
->find('job like :job and age > :age')
->bind(['job' => 'Butler', 'age' => 16])
->sort('age desc')
->execute();
if (!$result->getWarningsCount()) {
echo "發生錯誤:\n";
print_r($result->getWarnings());
exit;
}
var_dump($result->fetchOne());
?>上述範例將輸出類似以下的內容
array(4) {
["_id"]=>
string(28) "00005b6b53610000000000000135"
["age"]=>
int(42)
["job"]=>
string(6) "Butler"
["name"]=>
string(8) "Reginald"
}