Limit number of returned documents

# CollectionFind::limit

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CollectionFind::limit — Limit number of returned documents

### 説明

public mysql_xdevapi\CollectionFind::limit ( integer `$rows` ) : mysql_xdevapi\CollectionFind

Set the maximum number of documents to return.

### パラメータ

`rows`

  Maximum number of documents.

### 返り値

A CollectionFind object that can be used for additional processing; chain with the execute() method to return a DocResult object.

### 例

例1 mysql_xdevapi\CollectionFind::limit() 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");
$create
->add('{"name": "Alfred", "age": 18, "job": "Butler"}')
->execute();
$create
->add('{"name": "Reginald", "age": 42, "job": "Butler"}')
->execute();
// ...
$collection = $schema->getCollection("people");
$result = $collection
->find('job like :job and age > :age')
->bind(['job' => 'Butler', 'age' => 16])
->sort('age desc')
->limit(1)
->execute();
var_dump($result->fetchAll());
?>`

上の例の出力は、 たとえば以下のようになります。

    array(1) {
      [0]=>
      array(4) {
        ["_id"]=>
        string(28) "00005b6b536100000000000000f3"
        ["age"]=>
        int(42)
        ["job"]=>
        string(6) "Butler"
        ["name"]=>
        string(8) "Reginald"
      }
    }