143 lines
2.9 KiB
PHP
Executable File
143 lines
2.9 KiB
PHP
Executable File
<?php namespace Illuminate\Database\Connectors;
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use PDO;
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class SqlServerConnector extends Connector implements ConnectorInterface {
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/**
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* The PDO connection options.
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*
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* @var array
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*/
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protected $options = array(
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PDO::ATTR_CASE => PDO::CASE_NATURAL,
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PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
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PDO::ATTR_ORACLE_NULLS => PDO::NULL_NATURAL,
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PDO::ATTR_STRINGIFY_FETCHES => false,
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);
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/**
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* Establish a database connection.
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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(array $config)
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{
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$options = $this->getOptions($config);
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return $this->createConnection($this->getDsn($config), $config, $options);
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}
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/**
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* Create a DSN string from a configuration.
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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 getDsn(array $config)
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{
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// First we will create the basic DSN setup as well as the port if it is in
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// in the configuration options. This will give us the basic DSN we will
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// need to establish the PDO connections and return them back for use.
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if (in_array('dblib', $this->getAvailableDrivers()))
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{
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return $this->getDblibDsn($config);
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}
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else
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{
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return $this->getSqlSrvDsn($config);
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}
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}
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/**
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* Get the DSN string for a DbLib 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 getDblibDsn(array $config)
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{
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$arguments = array(
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'host' => $this->buildHostString($config, ':'),
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'dbname' => $config['database']
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);
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$arguments = array_merge(
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$arguments, array_only($config, ['appname', 'charset'])
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);
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return $this->buildConnectString('dblib', $arguments);
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}
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/**
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* Get the DSN string for a SqlSrv 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 getSqlSrvDsn(array $config)
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{
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$arguments = array(
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'Server' => $this->buildHostString($config, ',')
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);
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if (isset($config['database'])) {
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$arguments['Database'] = $config['database'];
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}
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if (isset($config['appname'])) {
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$arguments['APP'] = $config['appname'];
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}
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return $this->buildConnectString('sqlsrv', $arguments);
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}
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/**
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* Build a connection string from the given arguments.
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*
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* @param string $driver
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* @param array $arguments
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* @return string
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*/
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protected function buildConnectString($driver, array $arguments)
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{
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$options = array_map(function($key) use ($arguments)
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{
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return sprintf("%s=%s", $key, $arguments[$key]);
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}, array_keys($arguments));
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return $driver.":".implode(';', $options);
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}
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/**
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* Build a host string from the given configuration.
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*
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* @param array $config
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* @param string $separator
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* @return string
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*/
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protected function buildHostString(array $config, $separator)
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{
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if(isset($config['port']))
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{
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return $config['host'].$separator.$config['port'];
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}
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else
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{
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return $config['host'];
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}
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}
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/**
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* Get the available PDO drivers.
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*
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* @return array
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*/
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protected function getAvailableDrivers()
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{
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return PDO::getAvailableDrivers();
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}
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}
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