Collection::count

(No version information available, might only be in Git)

Collection::countGet document count

Description

public mysql_xdevapi\Collection::count ( void ) : integer

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.

Liste de param├Ętres

Cette fonction ne contient aucun param├Ętre.

Valeurs de retour

The number of documents in the collection.

Exemples

Exemple #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());
?>

L'exemple ci-dessus va afficher :

int(2)
add a note add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top