Error when run command setup:upgrade with custom DB trigger about magento2 HOT 12 OPEN

Hi @manhtranisobar. Thank you for your report.
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@magento give me 2.4-develop instance

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Hi @adarshkhatri ,
I have detailed issue reproduce steps, thank to check again.

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Hi @engcom-November. Thank you for working on this issue.
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Hello @manhtranisobar,

Thank you for the report and collaboration!

Tried to reproduce this issue on 2.4-develop, but in our case it is not reproducible.
Created a AFTER INSERT custom trigger to store table with name trg_test_mview, please take a look at the screenshot below:

With the custom trigger added, while running bin/magento setup:upgrade we did not see any error.

Please let us know if we are missing anything.

Thank you.

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Hi @engcom-November

It is strange,
If you can use to debug logic of function \Magento\Framework\Mview\TriggerCleaner::removeTriggers then you can see It will try to create a dummy view with old_view id then It will be loaded by vendor/magento/framework/Mview/View/Subscription.php:357 so error appeared.

It see there are 2 conditions to error appear:

• A custom trigger with name format is difference Mview triggers
• This custom trigger is created for tables, that are used by Mview config
  This is exception stack:

Warning: Trying to access array offset on value of type null in vendor/magento/framework/Mview/View/Subscription.php on line 357
Subscription.php:357, Magento\Framework\Mview\View\Subscription->getProcessor()
Subscription.php:339, Magento\Framework\Mview\View\Subscription->buildStatement()
Subscription.php:215, Magento\Framework\Mview\View\Subscription->remove()
Interceptor.php:50, Magento\Framework\Mview\View\Subscription\Interceptor->remove()
View.php:232, Magento\Framework\Mview\View->unsubscribe()
TriggerCleaner.php:90, Magento\Framework\Mview\TriggerCleaner->removeTriggers()
Installer.php:1800, Magento\Setup\Model\Installer->removeUnusedTriggers()
UpgradeCommand.php:148, Magento\Setup\Console\Command\UpgradeCommand->execute()
Command.php:298, Symfony\Component\Console\Command\Command->run()
Application.php:1040, Symfony\Component\Console\Application->doRunCommand()
Application.php:301, Symfony\Component\Console\Application->doRun()
Cli.php:116, Magento\Framework\Console\Cli->doRun()
Application.php:171, Symfony\Component\Console\Application->run()
magento:23, {main}()

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Hello @manhtranisobar,

Thank you for the quick response!

As you mentioned, This custom trigger is created for tables, that are used by Mview config.
Created a custom trigger for a table that already has triggers from mview configuration, with this we were able to reproduce this issue.

Please take a look at the screenshot below:
Added a custom trigger to catalog_product_entity table, which already has 3 triggers.

While running setup:upgrade we got the error

Hence confirming the issue.

Thank you.

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✅ Jira issue https://jira.corp.adobe.com/browse/AC-11487 is successfully created for this GitHub issue.

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✅ Confirmed by @engcom-November. Thank you for verifying the issue.
Issue Available: @engcom-November, You will be automatically unassigned. Contributors/Maintainers can claim this issue to continue. To reclaim and continue work, reassign the ticket to yourself.

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