@@ -167,7 +167,7 @@
|
||||
* }
|
||||
* @endcode
|
||||
*
|
||||
* @link http://drupal.org/developing/api/database @endlink
|
||||
* @see http://drupal.org/developing/api/database
|
||||
*/
|
||||
|
||||
|
||||
@@ -194,7 +194,7 @@ abstract class DatabaseConnection extends PDO {
|
||||
|
||||
/**
|
||||
* The key representing this connection.
|
||||
*
|
||||
*
|
||||
* The key is a unique string which identifies a database connection. A
|
||||
* connection can be a single server or a cluster of master and slaves (use
|
||||
* target to pick between master and slave).
|
||||
@@ -303,12 +303,28 @@ abstract class DatabaseConnection extends PDO {
|
||||
// Call PDO::__construct and PDO::setAttribute.
|
||||
parent::__construct($dsn, $username, $password, $driver_options);
|
||||
|
||||
// Set a specific PDOStatement class if the driver requires that.
|
||||
// Set a Statement class, unless the driver opted out.
|
||||
if (!empty($this->statementClass)) {
|
||||
$this->setAttribute(PDO::ATTR_STATEMENT_CLASS, array($this->statementClass, array($this)));
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Destroys this Connection object.
|
||||
*
|
||||
* PHP does not destruct an object if it is still referenced in other
|
||||
* variables. In case of PDO database connection objects, PHP only closes the
|
||||
* connection when the PDO object is destructed, so any references to this
|
||||
* object may cause the number of maximum allowed connections to be exceeded.
|
||||
*/
|
||||
public function destroy() {
|
||||
// Destroy all references to this connection by setting them to NULL.
|
||||
// The Statement class attribute only accepts a new value that presents a
|
||||
// proper callable, so we reset it to PDOStatement.
|
||||
$this->setAttribute(PDO::ATTR_STATEMENT_CLASS, array('PDOStatement', array()));
|
||||
$this->schema = NULL;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the default query options for any given query.
|
||||
*
|
||||
@@ -1627,8 +1643,8 @@ abstract class Database {
|
||||
*/
|
||||
final public static function removeConnection($key) {
|
||||
if (isset(self::$databaseInfo[$key])) {
|
||||
self::closeConnection(NULL, $key);
|
||||
unset(self::$databaseInfo[$key]);
|
||||
unset(self::$connections[$key]);
|
||||
return TRUE;
|
||||
}
|
||||
else {
|
||||
@@ -1694,11 +1710,24 @@ abstract class Database {
|
||||
if (!isset($key)) {
|
||||
$key = self::$activeKey;
|
||||
}
|
||||
// To close the connection, we need to unset the static variable.
|
||||
// To close a connection, it needs to be set to NULL and removed from the
|
||||
// static variable. In all cases, closeConnection() might be called for a
|
||||
// connection that was not opened yet, in which case the key is not defined
|
||||
// yet and we just ensure that the connection key is undefined.
|
||||
if (isset($target)) {
|
||||
if (isset(self::$connections[$key][$target])) {
|
||||
self::$connections[$key][$target]->destroy();
|
||||
self::$connections[$key][$target] = NULL;
|
||||
}
|
||||
unset(self::$connections[$key][$target]);
|
||||
}
|
||||
else {
|
||||
if (isset(self::$connections[$key])) {
|
||||
foreach (self::$connections[$key] as $target => $connection) {
|
||||
self::$connections[$key][$target]->destroy();
|
||||
self::$connections[$key][$target] = NULL;
|
||||
}
|
||||
}
|
||||
unset(self::$connections[$key]);
|
||||
}
|
||||
}
|
||||
@@ -1852,8 +1881,8 @@ class DatabaseTransaction {
|
||||
*/
|
||||
protected $name;
|
||||
|
||||
public function __construct(DatabaseConnection &$connection, $name = NULL) {
|
||||
$this->connection = &$connection;
|
||||
public function __construct(DatabaseConnection $connection, $name = NULL) {
|
||||
$this->connection = $connection;
|
||||
// If there is no transaction depth, then no transaction has started. Name
|
||||
// the transaction 'drupal_transaction'.
|
||||
if (!$depth = $connection->transactionDepth()) {
|
||||
|
||||
Reference in New Issue
Block a user