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This commit is contained in:
Taylor Otwell
2011-08-19 20:12:39 -05:00
parent 73b1cb78f4
commit 5b85edb23b
38 changed files with 951 additions and 614 deletions
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98
laravel/db/connector.php
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@@ -1,8 +1,6 @@
<?php namespace Laravel\DB;
use Laravel\Config;
class Connector {
abstract class Connector {
/**
* The PDO connection options.
@@ -10,99 +8,19 @@ class Connector {
* @var array
*/
public $options = array(
\PDO::ATTR_CASE => \PDO::CASE_LOWER,
\PDO::ATTR_ERRMODE => \PDO::ERRMODE_EXCEPTION,
\PDO::ATTR_ORACLE_NULLS => \PDO::NULL_NATURAL,
\PDO::ATTR_STRINGIFY_FETCHES => false,
\PDO::ATTR_EMULATE_PREPARES => false,
\PDO::ATTR_CASE => \PDO::CASE_LOWER,
\PDO::ATTR_ERRMODE => \PDO::ERRMODE_EXCEPTION,
\PDO::ATTR_ORACLE_NULLS => \PDO::NULL_NATURAL,
\PDO::ATTR_STRINGIFY_FETCHES => false,
\PDO::ATTR_EMULATE_PREPARES => false,
);
/**
* Establish a PDO database connection.
*
* @param object $connection
* @param array $config
* @return PDO
*/
public function connect($config)
{
switch ($config->driver)
{
case 'sqlite':
return $this->connect_to_sqlite($config);
case 'mysql':
case 'pgsql':
return $this->connect_to_server($config);
default:
return $this->connect_to_generic($config);
}
throw new \Exception('Database driver '.$config->driver.' is not supported.');
}
/**
* Establish a PDO connection to a SQLite database.
*
* SQLite database paths can be specified either relative to the application/db
* directory, or as an absolute path to any location on the file system. In-memory
* databases are also supported.
*
* @param object $config
* @return PDO
*/
private function connect_to_sqlite($config)
{
if ($config->database == ':memory:')
{
return new \PDO('sqlite::memory:', null, null, $this->options);
}
elseif (file_exists($path = DATABASE_PATH.$config->database.'.sqlite'))
{
return new \PDO('sqlite:'.$path, null, null, $this->options);
}
elseif (file_exists($config->database))
{
return new \PDO('sqlite:'.$config->database, null, null, $this->options);
}
throw new \Exception("SQLite database [".$config->database."] could not be found.");
}
/**
* Connect to a MySQL or PostgreSQL database server.
*
* @param object $config
* @return PDO
*/
private function connect_to_server($config)
{
$dsn = $config->driver.':host='.$config->host.';dbname='.$config->database;
if (isset($config->port))
{
$dsn .= ';port='.$config->port;
}
$connection = new \PDO($dsn, $config->username, $config->password, $this->options);
if (isset($config->charset))
{
$connection->prepare("SET NAMES '".$config->charset."'")->execute();
}
return $connection;
}
/**
* Connect to a generic data source.
*
* @param object $config
* @return PDO
*/
private function connect_to_generic($config)
{
return new \PDO($config->driver.':'.$config->dsn, $config->username, $config->password, $this->options);
}
abstract public function connect($config);
}