/**
* Construct migration schema.
* @param MigratableDatabase The database to migrate.
*/
public function __construct(MigratableDatabase $db)
{
$this->db = $db;
$this->targetSchema = $db->getSchema();
$db->refreshSchema();
$current = $db->getSchema();
foreach ($current->getTables() as $table) {
$this->tables[] = $table;
$this->schemas[$table] = $current->getSchema($table);
}
$db->setSchema($this);
}
/**
* {@inheritdoc}
*/
public function run()
{
$this->progress($this->count / ($this->count + count($this->tables)) * 100);
$table = $this->tables[0];
if (!isset($this->db->{$table})) {
$this->status(tr('Creating table "%1"...', $table));
$this->db->createTable($this->schema->getSchema($table));
}
array_shift($this->tables);
$this->count++;
}