mysql_xdevapi\Collection
PHP Manual

Collection::addOrReplaceOne

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Collection::addOrReplaceOneAdd or replace collection document

说明

public mysql_xdevapi\Result mysql_xdevapi\Collection::addOrReplaceOne ( string $id , string $doc )

Add a new document, or replace a document if it already exists.

Here are several scenarios for this method:

参数

id

This is the filter id. If this id or any other field that has a unique index already exists in the collection, then it will update the matching document instead.

By default, this id is automatically generated by MySQL Server when the record was added, and is referenced as a field named '_id'.

doc

This is the document to add or replace, which is a JSON string.

返回值

A Result object.

范例

Example #1 mysql_xdevapi\Collection::addOrReplaceOne() 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");
$create $schema->createCollection("people");

$collection $schema->getCollection("people");

// Using add()
$result $collection->add('{"name": "Wilma", "age": 23, "job": "Teacher"}')->execute();

// Using addOrReplaceOne()
// Note: we're passing in a known _id value here
$result $collection->addOrReplaceOne('00005b6b53610000000000000056''{"name": "Fred",  "age": 21, "job": "Construction"}');

?>

mysql_xdevapi\Collection
PHP Manual