ISchemaWrapper.getDatabasePlatform requires Nextcloud 22.2.4

[kesselb]

Fix #6630 (comment)

[ChristophWurst]

/backport to stable1.13

[steglicd]

@ChristophWurst is this fix available in production instantly? Because web UI changelog now tells me:

But still:

occ app:install  mail
An unhandled exception has been thrown:
Error: Call to undefined method OC\DB\SchemaWrapper::getDatabasePlatform() in /var/www/html/custom_apps/mail/lib/Migration/Version1130Date20220412111833.php:173
Stack trace:
#0 /var/www/html/lib/private/DB/MigrationService.php(454): OCA\Mail\Migration\Version1130Date20220412111833->changeSchema(Object(OC\Migration\SimpleOutput), Object(Closure), Array)
#1 /var/www/html/lib/private/DB/MigrationService.php(417): OC\DB\MigrationService->migrateSchemaOnly('latest')
#2 /var/www/html/lib/private/Installer.php(153): OC\DB\MigrationService->migrate('latest', true)
#3 /var/www/html/core/Command/App/Install.php(75): OC\Installer->installApp('mail', false)
#4 /var/www/html/3rdparty/symfony/console/Command/Command.php(255): OC\Core\Command\App\Install->execute(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#5 /var/www/html/3rdparty/symfony/console/Application.php(1009): Symfony\Component\Console\Command\Command->run(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#6 /var/www/html/3rdparty/symfony/console/Application.php(273): Symfony\Component\Console\Application->doRunCommand(Object(OC\Core\Command\App\Install), Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#7 /var/www/html/3rdparty/symfony/console/Application.php(149): Symfony\Component\Console\Application->doRun(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#8 /var/www/html/lib/private/Console/Application.php(209): Symfony\Component\Console\Application->run(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#9 /var/www/html/console.php(99): OC\Console\Application->run()
#10 /var/www/html/occ(11): require_once('/var/www/html/c...')
#11 {main}

[ChristophWurst]

@kesselb there is another one at

mail/lib/Migration/Version1130Date20220412111833.php

Line 173 in b8870df

if ($schema->getDatabasePlatform() instanceof PostgreSQL94Platform) {