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Collection::count

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Collection::countGet document count

Açıklama

public mysql_xdevapi\Collection::count ( ) : int

This functionality is similar to a SELECT COUNT(*) SQL operation against the MySQL server for the current schema and collection. In other words, it counts the number of documents in the collection.

Değiştirgeler

Bu işlevin değiştirgesi yoktur.

Dönen Değerler

The number of documents in the collection.

Örnekler

Örnek 1 mysql_xdevapi\Collection::count() 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");

$result $collection
  
->add(
  
'{"name": "Bernie",
    "jobs": [
      {"title":"Cat Herder","Salary":42000}, 
      {"title":"Father","Salary":0}
    ],
    "hobbies": ["Sports","Making cupcakes"]}'
,
  
'{"name": "Jane",
    "jobs": [
      {"title":"Scientist","Salary":18000}, 
      {"title":"Mother","Salary":0}
    ],
    "hobbies": ["Walking","Making pies"]}'
)
  ->
execute();

var_dump($collection->count());
?>

Yukarıdaki örneğin çıktısı:

int(2)
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