/**
* 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);
}
