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CollectionModify::set

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CollectionModify::setSet document attribute

说明

public mysql_xdevapi\CollectionModify::set(string $collection_field, string $expression_or_literal): mysql_xdevapi\CollectionModify

Sets or updates attributes on documents in a collection.

参数

collection_field

The document path (name) of the item to set.

expression_or_literal

The value to set it to.

返回值

A CollectionModify object.

范例

示例 #1 mysql_xdevapi\CollectionModify::set() example

<?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());
?>

以上例程的输出类似于:

Array
(
    [0] => Array
        (
            [_id] => 00005b6b53610000000000000111
            [name] => Bern
            [traits] => Array
                (
                    [0] => Friend
                    [1] => Brother
                    [2] => Human
                )
        )
)
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