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doctrine-dbal
Commit 8007b32c authored by zYne's avatar zYne
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drafting Doctrine_Db functionality into connection class

parent e21281ae
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Showing with 211 additions and 14 deletions
lib/Doctrine/Connection.php
View file @ 8007b32c
......@@ -72,12 +72,22 @@ abstract class Doctrine_Connection extends Doctrine_Configurable implements Coun
* @var string $driverName the name of this connection driver
*/
protected $driverName;
/**
* @var boolean $isConnected whether or not a connection has been established
*/
protected $isConnected = false;
/**
* @var array $supported an array containing all features this driver supports,
* keys representing feature names and values as
* one of the following (true, false, 'emulated')
*/
protected $supported = array();
/**
* @var array $pendingAttributes An array of pending attributes. When setting attributes
* no connection is needed. When connected all the pending
* attributes are passed to the underlying adapter (usually PDO) instance.
*/
protected $pendingAttributes = array();
/**
* @var array $modules an array containing all modules
* transaction Doctrine_Transaction driver, handles savepoint and transaction isolation abstraction
......@@ -133,6 +143,8 @@ abstract class Doctrine_Connection extends Doctrine_Configurable implements Coun
* @var array $serverInfo
*/
protected $serverInfo = array();
protected $options = array();
/**
* @var array $availableDrivers an array containing all availible drivers
*/
......@@ -152,15 +164,37 @@ abstract class Doctrine_Connection extends Doctrine_Configurable implements Coun
* @param Doctrine_Manager $manager the manager object
* @param PDO|Doctrine_Adapter_Interface $adapter database driver
*/
public function __construct(Doctrine_Manager $manager, $adapter)
public function __construct(Doctrine_Manager $manager, $adapter, $user = null, $pass = null)
{
if ( ! ($adapter instanceof PDO) && ! in_array('Doctrine_Adapter_Interface', class_implements($adapter))) {
throw new Doctrine_Connection_Exception("First argument should be an instance of PDO or implement Doctrine_Adapter_Interface");
}
$this->dbh = $adapter;
if ( ! is_string($adapter)) {
throw new Doctrine_Connection_Exception('Data source name should be a string, ' . get_class($adapter) . ' given.');
}
//$this->modules['transaction'] = new Doctrine_Connection_Transaction($this);
$this->modules['unitOfWork'] = new Doctrine_Connection_UnitOfWork($this);
$dsn = $adapter;
// check if dsn is PEAR-like or not
if ( ! isset($user) || strpos($dsn, '://')) {
$a = self::parseDSN($dsn);
extract($a);
} else {
$e = explode(':', $dsn);
if($e[0] == 'uri') {
$e[0] = 'odbc';
}
$this->pendingAttributes[Doctrine::ATTR_DRIVER_NAME] = $e[0];
}
$this->options['dsn'] = $dsn;
$this->options['username'] = $user;
$this->options['password'] = $pass;
} else {
$this->dbh = $adapter;
$this->isConnected = true;
}
$this->setParent($manager);
......@@ -169,6 +203,144 @@ abstract class Doctrine_Connection extends Doctrine_Configurable implements Coun
$this->getAttribute(Doctrine::ATTR_LISTENER)->onOpen($this);
}
/**
* getAttribute
* retrieves a database connection attribute
*
* @param integer $attribute
* @return mixed
*/
public function getAttribute($attribute)
{
if ($attribute >= 100) {
if ( ! isset($this->attributes[$attribute])) {
return $this->parent->getAttribute($attribute);
}
return $this->attributes[$attribute];
}
if ($this->isConnected) {
try {
return $this->dbh->getAttribute($attribute);
} catch(Exception $e) {
throw new Doctrine_Connection_Exception('Attribute ' . $attribute . ' not found.');
}
} else {
if ( ! isset($this->pendingAttributes[$attribute])) {
$this->connect();
$this->getAttribute($attribute);
}
return $this->pendingAttributes[$attribute];
}
}
/**
* returns an array of available PDO drivers
*/
public static function getAvailableDrivers()
{
return PDO::getAvailableDrivers();
}
/**
* setAttribute
* sets an attribute
*
* @param integer $attribute
* @param mixed $value
* @return boolean
*/
public function setAttribute($attribute, $value)
{
if ($attribute >= 100) {
parent::setAttribute($attribute, $value);
} else {
if ($this->isConnected) {
$this->dbh->setAttribute($attribute, $value);
} else {
$this->pendingAttributes[$attribute] = $value;
}
}
return $this;
}
/**
* parseDSN
*
* @param string $dsn
* @return array Parsed contents of DSN
*/
public function parseDSN($dsn)
{
// silence any warnings
$parts = @parse_url($dsn);
$names = array('scheme', 'host', 'port', 'user', 'pass', 'path', 'query', 'fragment');
foreach ($names as $name) {
if ( ! isset($parts[$name])) {
$parts[$name] = null;
}
}
if (count($parts) == 0 || ! isset($parts['scheme'])) {
throw new Doctrine_Connection_Exception('Empty data source name');
}
$drivers = self::getAvailableDrivers();
$parts['scheme'] = self::driverName($parts['scheme']);
/**
if ( ! in_array($parts['scheme'], $drivers)) {
throw new Doctrine_Db_Exception('Driver '.$parts['scheme'].' not availible or extension not loaded');
}
*/
switch ($parts['scheme']) {
case 'sqlite':
if (isset($parts['host']) && $parts['host'] == ':memory') {
$parts['database'] = ':memory:';
$parts['dsn'] = 'sqlite::memory:';
}
break;
case 'mysql':
case 'informix':
case 'oci8':
case 'mssql':
case 'firebird':
case 'dblib':
case 'pgsql':
case 'odbc':
case 'mock':
case 'oracle':
if ( ! isset($parts['path']) || $parts['path'] == '/') {
throw new Doctrine_Connection_Exception('No database availible in data source name');
}
if (isset($parts['path'])) {
$parts['database'] = substr($parts['path'], 1);
}
if ( ! isset($parts['host'])) {
throw new Doctrine_Connection_Exception('No hostname set in data source name');
}
if (isset(self::$driverMap[$parts['scheme']])) {
$parts['scheme'] = self::$driverMap[$parts['scheme']];
}
$parts['dsn'] = $parts['scheme'] . ':host='
. $parts['host'] . ';dbname='
. $parts['database'];
if (isset($parts['port'])) {
// append port to dsn if supplied
$parts['dsn'] .= ';port=' . $parts['port'];
}
break;
default:
throw new Doctrine_Connection_Exception('Unknown driver '.$parts['scheme']);
}
$this->pendingAttributes[PDO::ATTR_DRIVER_NAME] = $parts['scheme'];
return $parts;
}
/**
* getName
* returns the name of this driver
......@@ -242,14 +414,12 @@ abstract class Doctrine_Connection extends Doctrine_Configurable implements Coun
*/
public function connect()
{
/**
if ($this->isConnected) {
return false;
}
$event = new Doctrine_Db_Event($this, Doctrine_Db_Event::CONNECT);
$this->listener->onPreConnect($event);
$this->getListener()->onPreConnect($this);
$e = explode(':', $this->options['dsn']);
$found = false;
......@@ -272,7 +442,7 @@ abstract class Doctrine_Connection extends Doctrine_Configurable implements Coun
}
}
// attach the pending attributes to adapter
foreach($this->pendingAttributes as $attr => $value) {
// some drivers don't support setting this so we just skip it
if($attr == Doctrine::ATTR_DRIVER_NAME) {
......@@ -283,9 +453,8 @@ abstract class Doctrine_Connection extends Doctrine_Configurable implements Coun
$this->isConnected = true;
$this->listener->onConnect($event);
$this->getListener()->onConnect($this);
return true;
*/
}
/**
* converts given driver name
......@@ -619,7 +788,7 @@ abstract class Doctrine_Connection extends Doctrine_Configurable implements Coun
* @param integer $offset
* @return PDOStatement
*/
public function select($query,$limit = 0,$offset = 0)
public function select($query, $limit = 0, $offset = 0)
{
if ($limit > 0 || $offset > 0) {
$query = $this->modifyLimitQuery($query, $limit, $offset);
......@@ -647,6 +816,8 @@ abstract class Doctrine_Connection extends Doctrine_Configurable implements Coun
*/
public function execute($query, array $params = array())
{
$this->connect();
try {
if ( ! empty($params)) {
$stmt = $this->dbh->prepare($query);
......@@ -668,6 +839,8 @@ abstract class Doctrine_Connection extends Doctrine_Configurable implements Coun
* @return PDOStatement|Doctrine_Adapter_Statement
*/
public function exec($query, array $params = array()) {
$this->connect();
try {
if ( ! empty($params)) {
$stmt = $this->dbh->prepare($query);
......@@ -902,6 +1075,30 @@ abstract class Doctrine_Connection extends Doctrine_Configurable implements Coun
{
return $this->transaction->getTransactionLevel();
}
/**
* errorCode
* Fetch the SQLSTATE associated with the last operation on the database handle
*
* @return integer
*/
public function errorCode()
{
$this->connect();
return $this->dbh->errorCode();
}
/**
* errorInfo
* Fetch extended error information associated with the last operation on the database handle
*
* @return array
*/
public function errorInfo()
{
$this->connect();
return $this->dbh->errorInfo();
}
/**
* lastInsertId
*
......
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