toSaveSql example

$this->schemaSynchronizer->updateSchema($this->getSchema(), true);

            return;
        }

        $schemaManager = $this->createSchemaManager();
        $comparator = $this->createComparator($schemaManager);
        $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));
            }
        }

        

/** @var Field $field */
            foreach ($type->getFields() as $field) {
                $myTable->addColumn($field->getName(), $field->getType()::getDbalType(), ['notnull' => $field->isRequired()]);
            }

            $myTable->addColumn('created_at', 'datetime', []);
            $myTable->addColumn('updated_at', 'datetime', []);
        }

        $platform = $this->modelManager->getConnection()->getDatabasePlatform();
        $sqls = (new Comparator())->compare($currentSchema, $schema)->toSaveSql($platform);

        if ($destructive) {
            $sqls = (new Comparator())->compare($currentSchema, $schema)->toSql($platform);
        }

        foreach ($sqls as $sql) {
            $con->executeQuery($sql);
        }
    }
}