MongoDB\Driver\WriteResult::getModifiedCount

(mongodb >=1.0.0)

MongoDB\Driver\WriteResult::getModifiedCountReturns the number of existing documents updated

Описание

final public int|null MongoDB\Driver\WriteResult::getModifiedCount ( void )

If the update operation results in no change to the document (e.g. setting the value of a field to its current value), the modified count may be less than the value returned by MongoDB\Driver\WriteResult::getMatchedCount().

Список параметров

У этой функции нет параметров.

Возвращаемые значения

Returns the number of existing documents updated, or NULL if the write was not acknowledged.

The modified count is not available on versions of MongoDB before 2.6, which used the legacy wire protocol version (i.e. OP_UPDATE). If this is the case, the modified count will also be NULL.

Ошибки

Примеры

Пример #1 MongoDB\Driver\WriteResult::getModifiedCount() example

<?php

$manager 
= new MongoDB\Driver\Manager;

$bulk = new MongoDB\Driver\BulkWrite;
$bulk->insert(['x' => 1]);
$bulk->update(['x' => 1], ['$set' => ['y' => 3]]);
$bulk->update(['x' => 2], ['$set' => ['y' => 1]], ['upsert' => true]);
$bulk->update(['x' => 3], ['$set' => ['y' => 2]], ['upsert' => true]);
$bulk->delete(['x' => 1]);

$result $manager->executeBulkWrite('db.collection'$bulk);

var_dump($result->getModifiedCount());

?>

Результат выполнения данного примера:

int(1)

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