MongoDB\Driver\BulkWriteCommandResult
PHP マニュアル

MongoDB\Driver\BulkWriteCommandResult::getModifiedCount

Returns the number of existing documents updated

説明

final public int MongoDB\Driver\BulkWriteCommandResult::getModifiedCount()

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\BulkWriteCommandResult::getMatchedCount.

パラメータ

この関数にはパラメータはありません。

戻り値

Returns the total number of existing documents updated by all operations.

エラー / 例外

  • Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.
  • Throws MongoDB\Driver\Exception\LogicException if the write was not acknowledged.

例

例1 MongoDB\Driver\BulkWriteCommandResult::getModifiedCount example

<?php

$manager = new MongoDB\Driver\Manager;

$bulk = new MongoDB\Driver\BulkWriteCommand;
$bulk->insertOne('db.coll', ['x' => 1]);
$bulk->updateOne('db.coll', ['x' => 1], ['$set' => ['y' => 3]]);
$bulk->updateOne('db.coll', ['x' => 2], ['$set' => ['y' => 1]], ['upsert' => true]);
$bulk->updateOne('db.coll', ['x' => 3], ['$set' => ['y' => 2]], ['upsert' => true]);
$bulk->deleteMany('db.coll', []);

$result = $manager->executeBulkWriteCommand($bulk);

var_dump($result->getModifiedCount());

?>

上の例の出力は以下となります。

int(1)

参考

  • MongoDB\Driver\BulkWriteCommandResult::getMatchedCount
  • MongoDB\Driver\BulkWriteCommandResult::getUpdateResults
  • MongoDB\Driver\BulkWriteCommandResult::isAcknowledged