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Delete max 10000 rows from scheduled task subscribers in cleanup.

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DB may crash when deleting too many rows in one query.
The scheduled_task_subscribers has the potential to contain many records.
This commit adds limit when cleaning up inconsistent data from scheduled task subscribers.
[MAILPOET-6155]
This commit is contained in:
Rostislav Wolny
2024-08-02 14:41:17 +02:00
committed by Aschepikov
parent 4733bde082
commit 5a7462a152
2 changed files with 46 additions and 9 deletions
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37
mailpoet/lib/Util/DataInconsistency/DataInconsistencyRepository.php
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@@ -12,11 +12,15 @@ use MailPoet\Entities\SegmentEntity;
use MailPoet\Entities\SendingQueueEntity;
use MailPoet\Entities\SubscriberEntity;
use MailPoet\Entities\SubscriberSegmentEntity;
use MailPoetVendor\Doctrine\DBAL\ArrayParameterType;
use MailPoetVendor\Doctrine\DBAL\ParameterType;
use MailPoetVendor\Doctrine\ORM\EntityManager;
use MailPoetVendor\Doctrine\ORM\Query;
use MailPoetVendor\Doctrine\ORM\QueryBuilder;
class DataInconsistencyRepository {
const DELETE_ROWS_LIMIT = 10000;
private EntityManager $entityManager;
public function __construct(
@@ -115,6 +119,19 @@ class DataInconsistencyRepository {
->execute();
// delete the scheduled tasks subscribers
$stsTable = $this->entityManager->getClassMetadata(ScheduledTaskSubscriberEntity::class)->getTableName();
$this->entityManager->getConnection()->executeStatement(
"DELETE sts_top FROM $stsTable sts_top
JOIN (
SELECT sts.`task_id`, sts.`subscriber_id` FROM $stsTable sts
WHERE `task_id` IN (:ids)
LIMIT :limit
) as to_delete ON sts_top.`task_id` = to_delete.`task_id` AND sts_top.`subscriber_id` = to_delete.`subscriber_id`",
['limit' => self::DELETE_ROWS_LIMIT, 'ids' => $ids],
['limit' => ParameterType::INTEGER, 'ids' => ArrayParameterType::INTEGER]
);
$qb = $this->entityManager->createQueryBuilder();
$qb->delete(ScheduledTaskSubscriberEntity::class, 'sts')
->where($qb->expr()->in('sts.task', ':ids'))
@@ -128,11 +145,21 @@ class DataInconsistencyRepository {
public function cleanupOrphanedScheduledTaskSubscribers(): int {
$stTable = $this->entityManager->getClassMetadata(ScheduledTaskEntity::class)->getTableName();
$stsTable = $this->entityManager->getClassMetadata(ScheduledTaskSubscriberEntity::class)->getTableName();
return (int)$this->entityManager->getConnection()->executeStatement("
DELETE sts FROM $stsTable sts
LEFT JOIN $stTable st ON st.`id` = sts.`task_id`
WHERE st.`id` IS NULL
");
$deletedCount = 0;
do {
$deletedCount += (int)$this->entityManager->getConnection()->executeStatement(
"DELETE sts_top FROM $stsTable sts_top
JOIN (
SELECT sts.`task_id`, sts.`subscriber_id` FROM $stsTable sts
LEFT JOIN $stTable st ON st.`id` = sts.`task_id`
WHERE st.`id` IS NULL
LIMIT :limit
) as to_delete ON sts_top.`task_id` = to_delete.`task_id` AND sts_top.`subscriber_id` = to_delete.`subscriber_id`",
['limit' => self::DELETE_ROWS_LIMIT],
['limit' => ParameterType::INTEGER]
);
} while ($this->getOrphanedScheduledTasksSubscribersCount() > 0);
return $deletedCount;
}
public function cleanupSendingQueuesWithoutNewsletter(): int {