public Connection::__construct(\PDO $connection, array $connection_options)
Constructs a \Drupal\Core\Database\Driver\sqlite\Connection object.
Overrides Connection::__construct
File
- core/lib/Drupal/Core/Database/Driver/sqlite/Connection.php, line 49
Class
- Connection
- SQLite implementation of \Drupal\Core\Database\Connection.
Namespace
Drupal\Core\Database\Driver\sqlite
Code
public function __construct(\PDO $connection, array $connection_options) { // We don't need a specific PDOStatement class here, we simulate it in // static::prepare(). $this->statementClass = NULL; parent::__construct($connection, $connection_options); // This driver defaults to transaction support, except if explicitly passed FALSE. $this->transactionSupport = $this->transactionalDDLSupport = !isset($connection_options['transactions']) || $connection_options['transactions'] !== FALSE; $this->connectionOptions = $connection_options; // Attach one database for each registered prefix. $prefixes = $this->prefixes; foreach ($prefixes as &$prefix) { // Empty prefix means query the main database -- no need to attach anything. if (!empty($prefix)) { // Only attach the database once. if (!isset($this->attachedDatabases[$prefix])) { $this->attachedDatabases[$prefix] = $prefix; if ($connection_options['database'] === ':memory:') { // In memory database use ':memory:' as database name. According to // http://www.sqlite.org/inmemorydb.html it will open a unique // database so attaching it twice is not a problem. $this->query('ATTACH DATABASE :database AS :prefix', array(':database' => $connection_options['database'], ':prefix' => $prefix)); } else { $this->query('ATTACH DATABASE :database AS :prefix', array(':database' => $connection_options['database'] . '-' . $prefix, ':prefix' => $prefix)); } } // Add a ., so queries become prefix.table, which is proper syntax for // querying an attached database. $prefix .= '.'; } } // Regenerate the prefixes replacement table. $this->setPrefix($prefixes); }
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