MongoDB\Driver\BulkWrite::count
(mongodb >=1.0.0)
MongoDB\Driver\BulkWrite::count — Count expected roundtrips for executing the bulk
Опис
public int MongoDB\Driver\BulkWrite::count
( void
)
Returns the expected number of client-to-server roundtrips required to execute all write operations in the MongoDB\Driver\BulkWrite.
Параметри
В цієї функції немає параметрів.
Значення, що повертаються
Returns number of expected roundtrips to execute the MongoDB\Driver\BulkWrite.
Помилки/Винятки
- Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.
Приклади
Приклад #1 MongoDB\Driver\BulkWrite::count() example
<?php
$bulk = new MongoDB\Driver\BulkWrite;
$bulk->insert(['_id' => 1, 'x' => 1]);
$bulk->insert(['_id' => 2, 'x' => 2]);
$bulk->update(['x' => 2], ['$set' => ['x' => 1]]);
$bulk->delete(['x' => 1]);
var_dump(count($bulk));
?>
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