simplified database connection configuration.

application/config/database.php

@@ -10,7 +10,9 @@ return array(
 	| The name of your default database connection.
 	|
 	| This connection will be the default for all database operations unless a
-	| different connection is specified when performing the operation.
+	| different connection is specified when performing the operation. The name
+	| of the default connection should correspond to the name of a connector
+	| defined below.
 	|
 	*/
 
@@ -18,56 +20,62 @@ return array(
 
 	/*
 	|--------------------------------------------------------------------------
-	| Database Connections
+	| Database Connectors
 	|--------------------------------------------------------------------------
 	|
-	| All of the database connections used by your application.
+	| All of the database connectors used by your application.
 	|
-	| Supported Drivers: 'mysql', 'pgsql', 'sqlite'.
+	| Each connector should return a PDO connection. You may connect to any
+	| database system you wish. Of course, default configurations for the
+	| systems supported by Laravel are provided for you.
 	|
-	| Note: When using the SQLite driver, the path and "sqlite" extention will
-	|       be added automatically. You only need to specify the database name.
+	| The entire database configuration array is passed to the connector
+	| closure, so you may convenient use it when connecting to your database.
 	|
-	| Using a driver that isn't supported? You can still establish a PDO
-	| connection. Simply specify a driver and DSN option:
-	|
-	|		'odbc' => array(
-	|			'driver'   => 'odbc',
-	|			'dsn'      => 'your-dsn',
-	|			'username' => 'username',
-	|			'password' => 'password',
-	|		)
-	|
-	| Note: When using an unsupported driver, Eloquent and the fluent query
-	|       builder may not work as expected.
+	| Note: When using an unsupported database, Eloquent and the fluent query
+	|       builder may not work as expected. Currently, MySQL, Postgres, and
+	|       SQLite are fully supported by Laravel.
 	|
 	*/
 
-	'connections' => array(
+	'connectors' => array(
 
-		'sqlite' => array(
-			'driver'   => 'sqlite',
-			'database' => 'application',
-		),
+		'sqlite' => function($config)
+		{
+			return new PDO('sqlite:'.DATABASE_PATH.'application.sqlite', null, null, $config['options']);
+		}
 
-		'mysql' => array(
-			'driver'   => 'mysql',
-			'host'     => 'localhost',
-			'database' => 'database',
-			'username' => 'root',
-			'password' => 'password',
-			'charset'  => 'utf8',
-		),
+		'mysql' => function($config)
+		{
+			return new PDO('mysql:host=localhost;dbname=database', 'username', 'password', $config['options']);
+		}
 
 		'pgsql' => array(
-			'driver'   => 'pgsql',
-			'host'     => 'localhost',
-			'database' => 'database',
-			'username' => 'root',
-			'password' => 'password',
-			'charset'  => 'utf8',
+			return new PDO('pgsql:host=localhost;dbname=database', 'username', 'password', $config['options']);
 		),
 
 	),
 
+	/*
+	|--------------------------------------------------------------------------
+	| Database PDO Options
+	|--------------------------------------------------------------------------
+	|
+	| Here you may specify the PDO options that should be used when connecting
+	| to a database. The entire database configuration array is passed to the
+	| database connector closures, so may convenient access these options from
+	| your connectors.
+	|
+	| For a list of options, visit: http://php.net/manual/en/pdo.setattribute.php
+	|
+	*/
+
+	'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,
+	),
+
 );
\ No newline at end of file

laravel/config/container.php

@@ -49,9 +49,7 @@ return array(
 
 	'laravel.database' => array('singleton' => true, 'resolver' => function($container)
 	{
-		$config = $container->resolve('laravel.config');
-
-		return new Database\Manager(new Database\Connector\Factory, $config->get('database.connections'), $config->get('database.default'));
+		return new Database\Manager($container->resolve('laravel.config')->get('database'));
 	}),
 
 

laravel/database/connection.php

@@ -5,27 +5,6 @@ use PDOStatement;
 
 class Connection {
 
-	/**
-	 * The database connector instance.
-	 *
-	 * @var Connector\Connector
-	 */
-	protected $connector;
-
-	/**
-	 * The connection name.
-	 *
-	 * @var string
-	 */
-	protected $name;
-
-	/**
-	 * The connection configuration.
-	 *
-	 * @var array
-	 */
-	protected $config;
-
 	/**
 	 * The PDO connection.
 	 *
@@ -41,38 +20,14 @@ class Connection {
 	public $queries = array();
 
 	/**
-	 * Create a new Connection instance.
-	 *
-	 * @param  Connector\Connector $connector
-	 * @param  string              $name
-	 * @param  array               $config
-	 * @return void
-	 */
-	public function __construct(Connector\Connector $connector, $name, $config)
-	{
-		$this->name = $name;
-		$this->config = $config;
-		$this->connector = $connector;
-	}
-
-	/**
-	 * Establish the PDO connection for the connection instance.
+	 * Create a new database connection instance.
 	 *
+	 * @param  PDO   $pdo
 	 * @return void
 	 */
-	public function connect()
+	public function __construct(PDO $pdo)
 	{
-		$this->pdo = $this->connector->connect($this->config);
-	}
-
-	/**
-	 * Determine if a PDO connection has been established for the connection.
-	 *
-	 * @return bool
-	 */
-	public function connected()
-	{
-		return ! is_null($this->pdo);
+		$this->pdo = $pdo;
 	}
 
 	/**
@@ -141,8 +96,6 @@ class Connection {
 	 */
 	public function query($sql, $bindings = array())
 	{
-		if ( ! $this->connected()) $this->connect();
-
 		$this->queries[] = compact('sql', 'bindings');
 
 		return $this->execute($this->pdo->prepare(trim($sql)), $bindings);
@@ -190,32 +143,30 @@ class Connection {
 		switch ($this->driver())
 		{
 			case 'pgsql':
-				return new Query\Postgres($this, $this->compiler(), $table);
+				return new Queries\Postgres($this, $this->grammar(), $table);
 
 			default:
-				return new Query\Query($this, $this->compiler(), $table);
+				return new Queries\Query($this, $this->grammar(), $table);
 		}
 	}
 
 	/**
-	 * Create a new query compiler for the connection.
+	 * Create a new query grammar for the connection.
 	 *
-	 * @return Query\Compiler
+	 * @return Queries\Grammars\Grammar
 	 */
-	protected function compiler()
+	protected function grammar()
 	{
-		$compiler = (isset($this->config['compiler'])) ? $this->config['compiler'] : $this->driver();
-
-		switch ($compiler)
+		switch ($this->driver())
 		{
 			case 'mysql':
-				return new Query\Compiler\MySQL;
+				return new Queries\Grammars\MySQL;
 
 			case 'pgsql':
-				return new Query\Compiler\Postgres;
+				return new Queries\Grammars\Postgres;
 
 			default:
-				return new Query\Compiler\Compiler;
+				return new Queries\Grammars\Grammar;
 		}
 	}
 
@@ -226,8 +177,6 @@ class Connection {
 	 */
 	public function driver()
 	{
-		if ( ! $this->connected()) $this->connect();
-
 		return $this->pdo->getAttribute(PDO::ATTR_DRIVER_NAME);
 	}
 

laravel/database/connector/callback.php

-<?php namespace Laravel\Database\Connector;
-
-class Callback extends Connector {
-
-	/**
-	 * Establish a PDO database connection.
-	 *
-	 * @param  array  $config
-	 * @return PDO
-	 */
-	public function connect($config)
-	{
-		return call_user_func($config['connector']);
-	}
-
-}
\ No newline at end of file

laravel/database/connector/connector.php

-<?php namespace Laravel\Database\Connector;
-
-use PDO;
-
-abstract class Connector {
-
-	/**
-	 * The PDO connection options.
-	 *
-	 * @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,
-	);
-
-	/**
-	 * Establish a PDO database connection.
-	 *
-	 * @param  array  $config
-	 * @return PDO
-	 */
-	abstract public function connect($config);
-
-}
\ No newline at end of file

laravel/database/connector/mysql.php

-<?php namespace Laravel\Database\Connector;
-
-use PDO;
-
-class MySQL extends Connector {
-
-	/**
-	 * Establish a PDO database connection.
-	 *
-	 * @param  array  $config
-	 * @return PDO
-	 */
-	public function connect($config)
-	{
-		$dsn = $config['driver'].':host='.$config['host'].';dbname='.$config['database'];
-
-		if (isset($config['port']))
-		{
-			$dsn .= ';port='.$config['port'];
-		}
-
-		if (isset($config['socket']))
-		{
-			$dsn .= ';unix_socket='.$config['socket'];
-		}
-
-		$connection = new PDO($dsn, $config['username'], $config['password'], $this->options);
-
-		if (isset($config['charset']))
-		{
-			$connection->prepare("SET NAMES '".$config['charset']."'")->execute();
-		}
-
-		return $connection;
-	}
-
-}
\ No newline at end of file

laravel/database/connector/postgres.php

-<?php namespace Laravel\Database\Connector;
-
-use PDO;
-
-class Postgres extends Connector {
-
-	/**
-	 * Establish a PDO database connection.
-	 *
-	 * @param  array  $config
-	 * @return PDO
-	 */
-	public function connect($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;
-	}
-
-}
\ No newline at end of file

laravel/database/connector/sqlite.php

-<?php namespace Laravel\Database\Connector;
-
-use PDO;
-
-class SQLite extends Connector {
-
-	/**
-	 * Establish a PDO database connection.
-	 *
-	 * @param  array  $config
-	 * @return PDO
-	 */
-	public function connect($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.");
-	}
-
-}
\ No newline at end of file

laravel/database/manager.php

@@ -9,45 +9,22 @@ class Manager {
 	 */
 	protected $connections = array();
 
-	/**
-	 * The connector factory instance.
-	 *
-	 * @var Connector\Factory
-	 */
-	protected $connector;
-
-	/**
-	 * The database connection configurations.
-	 *
-	 * @var array
-	 */
-	protected $config;
-
-	/**
-	 * The default database connection name.
-	 *
-	 * @var string
-	 */
-	protected $default;
-
 	/**
 	 * Create a new database manager instance.
 	 *
-	 * @param  Connector\Factory  $connector
 	 * @param  array  $config
-	 * @param  string             $default
 	 * @return void
 	 */
-	public function __construct(Connector\Factory $connector, $config, $default)
+	public function __construct($config)
 	{
 		$this->config = $config;
-		$this->default = $default;
-		$this->connector = $connector;
 	}
 
 	/**
-	 * Get a database connection. If no database name is specified, the default
-	 * connection will be returned as defined in the database configuration file.
+	 * Get a database connection. 
+	 *
+	 * If no database name is specified, the default connection will be returned as
+	 * defined in the database configuration file.
 	 *
 	 * Note: Database connections are managed as singletons.
 	 *
@@ -64,48 +41,25 @@ class Manager {
 	 */
 	public function connection($connection = null)
 	{
-		if (is_null($connection)) $connection = $this->default;
+		if (is_null($connection)) $connection = $this->config['default'];
 
 		if ( ! array_key_exists($connection, $this->connections))
 		{
-			if ( ! isset($this->config[$connection]))
+			if ( ! isset($this->config['connectors'][$connection]))
 			{
-				throw new \Exception("Database connection [$connection] is not defined.");
+				throw new \Exception("Database connection configuration is not defined for connection [$connection].");
 			}
 
-			$config = $this->config[$connection];
-
-			$this->connections[$connection] = new Connection($this->connector($config), $connection, $config);
+			// Database connections are established by developer configurable connector closures.
+			// This provides the developer the maximum amount of freedom in establishing their
+			// database connections, and allows the framework to remain agonstic to ugly database
+			// specific PDO connection details. Less code. Less bugs.
+			$this->connections[$connection] = new Connection(call_user_func($this->config['connectors'][$connection], $this->config));
 		}
 
 		return $this->connections[$connection];
 	}
 
-	/**
-	 * Create a new database connector instance base on a connection configuration.
-	 *
-	 * @param  array                $config
-	 * @return Connector\Connector
-	 */
-	protected function connector($config)
-	{
-		if (isset($config['connector'])) return new Connector\Callback;
-
-		switch ($config['driver'])
-		{
-			case 'sqlite':
-				return new Connector\SQLite;
-
-			case 'mysql':
-				return new Connector\MySQL;
-
-			case 'pgsql':
-				return new Connector\Postgres;
-		}
-
-		throw new \Exception("Database configuration is invalid. Please verify your configuration.");
-	}
-
 	/**
 	 * Begin a fluent query against a table.
 	 *
@@ -119,7 +73,7 @@ class Manager {
 	 *
 	 * @param  string          $table
 	 * @param  string          $connection
-	 * @return Database\Query
+	 * @return Queries\Query
 	 */
 	public function table($table, $connection = null)
 	{

laravel/database/query/compiler/compiler.php → laravel/database/queries/grammars/grammar.php

-<?php namespace Laravel\Database\Query\Compiler;
+<?php namespace Laravel\Database\Query\Grammars;
 
-use Laravel\Database\Query;
+use Laravel\Database\Queries\Query;
 
-class Compiler {
+class Grammar {
 
 	/**
 	 * Compile a SQL SELECT statment from a Query instance.

laravel/database/query/compiler/mysql.php → laravel/database/queries/grammars/mysql.php

-<?php namespace Laravel\Database\Query\Compiler;
+<?php namespace Laravel\Database\Query\Grammars;
 
-class MySQL extends Compiler {
+class MySQL extends Grammar {
 
 	/**
 	 * Get the keyword identifier wrapper for the connection.

laravel/database/query/compiler/postgres.php → laravel/database/queries/grammars/postgres.php

-<?php namespace Laravel\Database\Query\Compiler;
+<?php namespace Laravel\Database\Query\Grammars;
 
-class Postgres extends Compiler {
+use Laravel\Database\Queries\Query;
+
+class Postgres extends Grammar {
 
 	/**
 	 * Compile a SQL INSERT statment that returns an auto-incrementing ID from a Query instance.

laravel/database/query/postgres.php → laravel/database/queries/postgres.php

-<?php namespace Laravel\Database\Query;
+<?php namespace Laravel\Database\Queries;
 
 use PDO;
 
@@ -12,7 +12,7 @@ class Postgres extends Query {
 	 */
 	public function insert_get_id($values)
 	{
-		$query = $this->connection->pdo->prepare($this->compiler->insert_get_id($this, $values));
+		$query = $this->connection->pdo->prepare($this->grammar->insert_get_id($this, $values));
 
 		$query->execute(array_values($values));
 

laravel/database/query/query.php → laravel/database/queries/query.php

-<?php namespace Laravel\Database\Query;
+<?php namespace Laravel\Database\Queries;
 
 use Laravel\Database\Connection;
 
@@ -12,11 +12,11 @@ class Query {
 	public $connection;
 
 	/**
-	 * The query compiler instance.
+	 * The query grammar instance.
 	 *
-	 * @var Compiler\Compiler
+	 * @var Grammars\Grammar
 	 */
-	public $compiler;
+	public $grammar;
 
 	/**
 	 * The SELECT clause.
@@ -93,14 +93,14 @@ class Query {
 	 * Create a new query instance.
 	 *
 	 * @param  Database\Connection  $connection
-	 * @param  Compiler\Compiler    $compiler
+	 * @param  Grammars\Grammar     $grammar
 	 * @param  string               $table
 	 * @return void
 	 */
-	public function __construct(Connection $connection, Compiler\Compiler $compiler, $table)
+	public function __construct(Connection $connection, Grammars\Grammar $grammar, $table)
 	{
 		$this->table = $table;
-		$this->compiler = $compiler;
+		$this->grammar = $grammar;
 		$this->connection = $connection;
 	}
 
@@ -551,7 +551,7 @@ class Query {
 	{
 		$this->aggregate = compact('aggregator', 'column');
 
-		$result = $this->connection->scalar($this->compiler->select($this), $this->bindings);
+		$result = $this->connection->scalar($this->grammar->select($this), $this->bindings);
 
 		// Reset the SELECT clause so more queries can be performed using the same instance.
 		// This is helpful for getting aggregates and then getting actual results.
@@ -581,7 +581,7 @@ class Query {
 	{
 		if (is_null($this->select)) $this->select($columns);
 
-		$results = $this->connection->query($this->compiler->select($this), $this->bindings);
+		$results = $this->connection->query($this->grammar->select($this), $this->bindings);
 
 		// Reset the SELECT clause so more queries can be performed using the same instance.
 		// This is helpful for getting aggregates and then getting actual results.
@@ -603,7 +603,7 @@ class Query {
 	 */
 	public function insert($values)
 	{
-		return $this->connection->query($this->compiler->insert($this, $values), array_values($values));
+		return $this->connection->query($this->grammar->insert($this, $values), array_values($values));
 	}
 
 	/**
@@ -619,7 +619,7 @@ class Query {
 	 */
 	public function insert_get_id($values)
 	{
-		$this->connection->query($this->compiler->insert($this, $values), array_values($values));
+		$this->connection->query($this->grammar->insert($this, $values), array_values($values));
 
 		return (int) $this->connection->pdo->lastInsertId();
 	}
@@ -637,7 +637,7 @@ class Query {
 	 */
 	public function update($values)
 	{
-		return $this->connection->query($this->compiler->update($this, $values), array_merge(array_values($values), $this->bindings));
+		return $this->connection->query($this->grammar->update($this, $values), array_merge(array_values($values), $this->bindings));
 	}
 
 	/**
@@ -663,7 +663,7 @@ class Query {
 	{
 		if ( ! is_null($id)) $this->where('id', '=', $id);
 
-		return $this->connection->query($this->compiler->delete($this), $this->bindings);		
+		return $this->connection->query($this->grammar->delete($this), $this->bindings);		
 	}
 
 	/**