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CollectionModify::set — 设置文档属性
$collection_field, string $expression_or_literal): mysql_xdevapi\CollectionModify设置或更新集合中文档的属性。
collection_field要设置的项目的文档路径(名称)。
expression_or_literal要设置的值。
一个CollectionModify对象。
示例 #1 mysql_xdevapi\CollectionModify::set() 示例
<?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");
$collection = $schema->createCollection("people");
$result = $collection
->add(
'{"name": "Bernie",
"traits": ["Friend", "Brother", "Human"]}')
->execute();
$collection
->modify("name = :name")
->bind(['name' => 'Bernie'])
->set("name", "Bern")
->execute();
$result = $collection
->find()
->execute();
print_r($result->fetchAll());
?>以上示例将输出类似以下内容
Array
(
[0] => Array
(
[_id] => 00005b6b53610000000000000111
[name] => Bern
[traits] => Array
(
[0] => Friend
[1] => Brother
[2] => Human
)
)
)