47 lines
1.3 KiB
PHP
47 lines
1.3 KiB
PHP
<?php namespace Laravel\Database\Connectors; use PDO;
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class Postgres extends Connector {
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/**
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* Establish a PDO database connection for a given database configuration.
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*
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* @param array $config
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* @return PDO
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*/
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public function connect($config)
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{
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$connection = new PDO($this->dsn($config), $config['username'], $config['password'], $this->options($config));
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if (isset($config['charset']))
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{
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$connection->prepare("SET NAMES '{$config['charset']}'")->execute();
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}
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return $connection;
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}
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/**
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* Format the DSN connection string for a Postgres connection.
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*
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* @param array $config
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* @return string
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*/
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protected function dsn($config)
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{
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// Format the initial Postgres PDO connection string. These options are required
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// for every Postgres connection that is established. The connection strings
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// have the following convention: "pgsql:host=hostname;dbname=database"
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$dsn = sprintf('%s:host=%s;dbname=%s', $config['driver'], $config['host'], $config['database']);
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// Check for any optional Postgres PDO options. These options are not required
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// to establish a PDO connection; however, may be needed in certain server
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// or hosting environments used by the developer.
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foreach (array('port', 'unix_socket') as $key => $value)
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{
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if (isset($config[$key])) $dsn .= ";{$key}={$value}";
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}
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return $dsn;
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}
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} |