supportsSchemas example

$schemaDiff = $this->compareSchemas($comparator, method_exists($schemaManager, 'introspectSchema') ? $schemaManager->introspectSchema() : $schemaManager->createSchema(), $this->getSchema());
        $platform = $this->driverConnection->getDatabasePlatform();

        if (!method_exists(SchemaDiff::class, 'getCreatedSchemas')) {
            foreach ($schemaDiff->toSaveSql($platform) as $sql) {
                $this->driverConnection->executeStatement($sql);
            }

            return;
        }

        if ($platform->supportsSchemas()) {
            foreach ($schemaDiff->getCreatedSchemas() as $schema) {
                $this->driverConnection->executeStatement($platform->getCreateSchemaSQL($schema));
            }
        }

        if ($platform->supportsSequences()) {
            foreach ($schemaDiff->getAlteredSequences() as $sequence) {
                $this->driverConnection->executeStatement($platform->getAlterSequenceSQL($sequence));
            }

            foreach ($schemaDiff->getCreatedSequences() as $sequence) {