Файл: vendor/laravel/framework/src/Illuminate/Database/Connectors/MySqlConnector.php
Строк: 239
<?php
namespace IlluminateDatabaseConnectors;
use PDO;
class MySqlConnector extends Connector implements ConnectorInterface
{
/**
* Establish a database connection.
*
* @param array $config
* @return PDO
*/
public function connect(array $config)
{
$dsn = $this->getDsn($config);
$options = $this->getOptions($config);
// We need to grab the PDO options that should be used while making the brand
// new connection instance. The PDO options control various aspects of the
// connection's behavior, and some might be specified by the developers.
$connection = $this->createConnection($dsn, $config, $options);
if (! empty($config['database']) &&
(! isset($config['use_db_after_connecting']) ||
$config['use_db_after_connecting'])) {
$connection->exec("use `{$config['database']}`;");
}
$this->configureConnection($connection, $config);
return $connection;
}
/**
* Create a DSN string from a configuration.
*
* Chooses socket or host/port based on the 'unix_socket' config value.
*
* @param array $config
* @return string
*/
protected function getDsn(array $config)
{
return $this->hasSocket($config)
? $this->getSocketDsn($config)
: $this->getHostDsn($config);
}
/**
* Determine if the given configuration array has a UNIX socket value.
*
* @param array $config
* @return bool
*/
protected function hasSocket(array $config)
{
return isset($config['unix_socket']) && ! empty($config['unix_socket']);
}
/**
* Get the DSN string for a socket configuration.
*
* @param array $config
* @return string
*/
protected function getSocketDsn(array $config)
{
return "mysql:unix_socket={$config['unix_socket']};dbname={$config['database']}";
}
/**
* Get the DSN string for a host / port configuration.
*
* @param array $config
* @return string
*/
protected function getHostDsn(array $config)
{
return isset($config['port'])
? "mysql:host={$config['host']};port={$config['port']};dbname={$config['database']}"
: "mysql:host={$config['host']};dbname={$config['database']}";
}
/**
* Configure the given PDO connection.
*
* @param PDO $connection
* @param array $config
* @return void
*/
protected function configureConnection(PDO $connection, array $config)
{
if (isset($config['isolation_level'])) {
$connection->exec(sprintf('SET SESSION TRANSACTION ISOLATION LEVEL %s;', $config['isolation_level']));
}
$statements = [];
if (isset($config['charset'])) {
if (isset($config['collation'])) {
$statements[] = sprintf("NAMES '%s' COLLATE '%s'", $config['charset'], $config['collation']);
} else {
$statements[] = sprintf("NAMES '%s'", $config['charset']);
}
}
if (isset($config['timezone'])) {
$statements[] = sprintf("time_zone='%s'", $config['timezone']);
}
$sqlMode = $this->getSqlMode($connection, $config);
if ($sqlMode !== null) {
$statements[] = sprintf("SESSION sql_mode='%s'", $sqlMode);
}
if ($statements !== []) {
$connection->exec(sprintf('SET %s;', implode(', ', $statements)));
}
}
/**
* Get the sql_mode value.
*
* @param PDO $connection
* @param array $config
* @return string|null
*/
protected function getSqlMode(PDO $connection, array $config)
{
if (isset($config['modes'])) {
return implode(',', $config['modes']);
}
if (! isset($config['strict'])) {
return null;
}
if (! $config['strict']) {
return 'NO_ENGINE_SUBSTITUTION';
}
$version = $config['version'] ?? $connection->getAttribute(PDO::ATTR_SERVER_VERSION);
if (version_compare($version, '8.0.11', '>=')) {
return 'ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION';
}
return 'ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION';
}
}