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✎ Editing: PostgresConnector.php ← Back

<?php namespace Illuminate\Database\Connectors;

use PDO;

class PostgresConnector extends Connector implements ConnectorInterface {

/**
	 * The default PDO connection options.
	 *
	 * @var array
	 */
	protected $options = array(
			PDO::ATTR_CASE => PDO::CASE_NATURAL,
			PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
			PDO::ATTR_ORACLE_NULLS => PDO::NULL_NATURAL,
			PDO::ATTR_STRINGIFY_FETCHES => false,
	);

/**
	 * Establish a database connection.
	 *
	 * @param  array  $config
	 * @return \PDO
	 */
	public function connect(array $config)
	{
		// First we'll create the basic DSN and connection instance connecting to the
		// using the configuration option specified by the developer. We will also
		// set the default character set on the connections to UTF-8 by default.
		$dsn = $this->getDsn($config);

$options = $this->getOptions($config);

$connection = $this->createConnection($dsn, $config, $options);

$charset = $config['charset'];

$connection->prepare("set names '$charset'")->execute();

// Unlike MySQL, Postgres allows the concept of "schema" and a default schema
		// may have been specified on the connections. If that is the case we will
		// set the default schema search paths to the specified database schema.
		if (isset($config['schema']))
		{
			$schema = $config['schema'];

$connection->prepare("set search_path to {$schema}")->execute();
		}

return $connection;
	}

/**
	 * Create a DSN string from a configuration.
	 *
	 * @param  array   $config
	 * @return string
	 */
	protected function getDsn(array $config)
	{
		// First we will create the basic DSN setup as well as the port if it is in
		// in the configuration options. This will give us the basic DSN we will
		// need to establish the PDO connections and return them back for use.
		extract($config);

$host = isset($host) ? "host={$host};" : '';

$dsn = "pgsql:{$host}dbname={$database}";

// If a port was specified, we will add it to this Postgres DSN connections
		// format. Once we have done that we are ready to return this connection
		// string back out for usage, as this has been fully constructed here.
		if (isset($config['port']))
		{
			$dsn .= ";port={$port}";
		}

if (isset($config['sslmode']))
		{
			$dsn .= ";sslmode={$sslmode}";
		}

return $dsn;
	}

}

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