MongoDB\Driver\Exception\BulkWriteCommandException::getPartialResult

(mongodb >=2.1.0)

MongoDB\Driver\Exception\BulkWriteCommandException::getPartialResultReturns the result of any successful write operations

Опис

final public MongoDB\Driver\Exception\BulkWriteCommandException::getPartialResult(): ?MongoDB\Driver\BulkWriteCommandResult

Параметри

У цієї функції немає параметрів.

Значення, що повертаються

Returns a MongoDB\Driver\BulkWriteCommandResult reporting the result of any successful operations that were performed before the error was encountered. The return value will be null if it cannot be determined that at least one write was successfully performed (and acknowledged).

Приклади

Приклад #1 Partial result if at least one write is successful

<?php

$manager
= new MongoDB\Driver\Manager;

$bulk = new MongoDB\Driver\BulkWriteCommand;
$bulk->deleteMany('db.coll', []);
$bulk->insertOne('db.coll', ['_id' => 1]);
$bulk->insertOne('db.coll', ['_id' => 1]);

try {
$result = $manager->executeBulkWriteCommand($bulk);
} catch (
MongoDB\Driver\Exception\BulkWriteCommandException $e) {
$result = $e->getPartialResult();
}

var_dump($result?->getInsertedCount());

?>

Поданий вище приклад виведе:

int(1)

Приклад #2 No partial result if no writes are successful

<?php

$manager
= new MongoDB\Driver\Manager;

$bulk = new MongoDB\Driver\BulkWriteCommand;
$bulk->deleteMany('db.coll', []);
$bulk->insertOne('db.coll', ['_id' => 1]);
$manager->executeBulkWriteCommand($bulk);

$bulk = new MongoDB\Driver\BulkWriteCommand;
$bulk->insertOne('db.coll', ['_id' => 1]);

try {
$result = $manager->executeBulkWriteCommand($bulk);
} catch (
MongoDB\Driver\Exception\BulkWriteCommandException $e) {
$result = $e->getPartialResult();
}

var_dump($result?->getInsertedCount());

?>

Поданий вище приклад виведе:

NULL

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