477 lines
20 KiB
PHP
477 lines
20 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Cache\Traits;
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use Doctrine\DBAL\Connection;
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use Doctrine\DBAL\DBALException;
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use Doctrine\DBAL\Driver\ServerInfoAwareConnection;
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use Doctrine\DBAL\DriverManager;
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use Doctrine\DBAL\Exception;
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use Doctrine\DBAL\Exception\TableNotFoundException;
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use Doctrine\DBAL\Schema\Schema;
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use Symfony\Component\Cache\Exception\InvalidArgumentException;
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use Symfony\Component\Cache\Marshaller\DefaultMarshaller;
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use Symfony\Component\Cache\Marshaller\MarshallerInterface;
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/**
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* @internal
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*/
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trait PdoTrait
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{
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private $marshaller;
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private $conn;
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private $dsn;
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private $driver;
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private $serverVersion;
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private $table = 'cache_items';
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private $idCol = 'item_id';
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private $dataCol = 'item_data';
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private $lifetimeCol = 'item_lifetime';
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private $timeCol = 'item_time';
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private $username = '';
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private $password = '';
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private $connectionOptions = [];
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private $namespace;
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private function init($connOrDsn, string $namespace, int $defaultLifetime, array $options, ?MarshallerInterface $marshaller)
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{
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if (isset($namespace[0]) && preg_match('#[^-+.A-Za-z0-9]#', $namespace, $match)) {
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throw new InvalidArgumentException(sprintf('Namespace contains "%s" but only characters in [-+.A-Za-z0-9] are allowed.', $match[0]));
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}
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if ($connOrDsn instanceof \PDO) {
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if (\PDO::ERRMODE_EXCEPTION !== $connOrDsn->getAttribute(\PDO::ATTR_ERRMODE)) {
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throw new InvalidArgumentException(sprintf('"%s" requires PDO error mode attribute be set to throw Exceptions (i.e. $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION)).', __CLASS__));
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}
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$this->conn = $connOrDsn;
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} elseif ($connOrDsn instanceof Connection) {
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$this->conn = $connOrDsn;
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} elseif (\is_string($connOrDsn)) {
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$this->dsn = $connOrDsn;
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} else {
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throw new InvalidArgumentException(sprintf('"%s" requires PDO or Doctrine\DBAL\Connection instance or DSN string as first argument, "%s" given.', __CLASS__, \is_object($connOrDsn) ? \get_class($connOrDsn) : \gettype($connOrDsn)));
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}
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$this->table = $options['db_table'] ?? $this->table;
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$this->idCol = $options['db_id_col'] ?? $this->idCol;
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$this->dataCol = $options['db_data_col'] ?? $this->dataCol;
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$this->lifetimeCol = $options['db_lifetime_col'] ?? $this->lifetimeCol;
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$this->timeCol = $options['db_time_col'] ?? $this->timeCol;
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$this->username = $options['db_username'] ?? $this->username;
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$this->password = $options['db_password'] ?? $this->password;
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$this->connectionOptions = $options['db_connection_options'] ?? $this->connectionOptions;
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$this->namespace = $namespace;
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$this->marshaller = $marshaller ?? new DefaultMarshaller();
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parent::__construct($namespace, $defaultLifetime);
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}
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/**
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* Creates the table to store cache items which can be called once for setup.
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*
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* Cache ID are saved in a column of maximum length 255. Cache data is
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* saved in a BLOB.
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*
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* @throws \PDOException When the table already exists
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* @throws DBALException When the table already exists
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* @throws Exception When the table already exists
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* @throws \DomainException When an unsupported PDO driver is used
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*/
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public function createTable()
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{
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// connect if we are not yet
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$conn = $this->getConnection();
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if ($conn instanceof Connection) {
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$types = [
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'mysql' => 'binary',
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'sqlite' => 'text',
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'pgsql' => 'string',
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'oci' => 'string',
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'sqlsrv' => 'string',
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];
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if (!isset($types[$this->driver])) {
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throw new \DomainException(sprintf('Creating the cache table is currently not implemented for PDO driver "%s".', $this->driver));
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}
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$schema = new Schema();
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$table = $schema->createTable($this->table);
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$table->addColumn($this->idCol, $types[$this->driver], ['length' => 255]);
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$table->addColumn($this->dataCol, 'blob', ['length' => 16777215]);
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$table->addColumn($this->lifetimeCol, 'integer', ['unsigned' => true, 'notnull' => false]);
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$table->addColumn($this->timeCol, 'integer', ['unsigned' => true]);
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$table->setPrimaryKey([$this->idCol]);
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foreach ($schema->toSql($conn->getDatabasePlatform()) as $sql) {
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if (method_exists($conn, 'executeStatement')) {
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$conn->executeStatement($sql);
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} else {
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$conn->exec($sql);
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}
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}
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return;
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}
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switch ($this->driver) {
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case 'mysql':
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// We use varbinary for the ID column because it prevents unwanted conversions:
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// - character set conversions between server and client
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// - trailing space removal
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// - case-insensitivity
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// - language processing like é == e
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$sql = "CREATE TABLE $this->table ($this->idCol VARBINARY(255) NOT NULL PRIMARY KEY, $this->dataCol MEDIUMBLOB NOT NULL, $this->lifetimeCol INTEGER UNSIGNED, $this->timeCol INTEGER UNSIGNED NOT NULL) COLLATE utf8_bin, ENGINE = InnoDB";
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break;
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case 'sqlite':
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$sql = "CREATE TABLE $this->table ($this->idCol TEXT NOT NULL PRIMARY KEY, $this->dataCol BLOB NOT NULL, $this->lifetimeCol INTEGER, $this->timeCol INTEGER NOT NULL)";
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break;
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case 'pgsql':
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$sql = "CREATE TABLE $this->table ($this->idCol VARCHAR(255) NOT NULL PRIMARY KEY, $this->dataCol BYTEA NOT NULL, $this->lifetimeCol INTEGER, $this->timeCol INTEGER NOT NULL)";
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break;
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case 'oci':
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$sql = "CREATE TABLE $this->table ($this->idCol VARCHAR2(255) NOT NULL PRIMARY KEY, $this->dataCol BLOB NOT NULL, $this->lifetimeCol INTEGER, $this->timeCol INTEGER NOT NULL)";
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break;
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case 'sqlsrv':
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$sql = "CREATE TABLE $this->table ($this->idCol VARCHAR(255) NOT NULL PRIMARY KEY, $this->dataCol VARBINARY(MAX) NOT NULL, $this->lifetimeCol INTEGER, $this->timeCol INTEGER NOT NULL)";
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break;
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default:
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throw new \DomainException(sprintf('Creating the cache table is currently not implemented for PDO driver "%s".', $this->driver));
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}
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if (method_exists($conn, 'executeStatement')) {
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$conn->executeStatement($sql);
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} else {
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$conn->exec($sql);
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}
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}
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/**
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* {@inheritdoc}
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*/
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public function prune()
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{
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$deleteSql = "DELETE FROM $this->table WHERE $this->lifetimeCol + $this->timeCol <= :time";
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if ('' !== $this->namespace) {
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$deleteSql .= " AND $this->idCol LIKE :namespace";
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}
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try {
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$delete = $this->getConnection()->prepare($deleteSql);
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} catch (TableNotFoundException $e) {
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return true;
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} catch (\PDOException $e) {
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return true;
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}
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$delete->bindValue(':time', time(), \PDO::PARAM_INT);
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if ('' !== $this->namespace) {
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$delete->bindValue(':namespace', sprintf('%s%%', $this->namespace), \PDO::PARAM_STR);
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}
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try {
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return $delete->execute();
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} catch (TableNotFoundException $e) {
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return true;
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} catch (\PDOException $e) {
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return true;
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}
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}
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/**
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* {@inheritdoc}
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*/
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protected function doFetch(array $ids)
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{
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$now = time();
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$expired = [];
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$sql = str_pad('', (\count($ids) << 1) - 1, '?,');
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$sql = "SELECT $this->idCol, CASE WHEN $this->lifetimeCol IS NULL OR $this->lifetimeCol + $this->timeCol > ? THEN $this->dataCol ELSE NULL END FROM $this->table WHERE $this->idCol IN ($sql)";
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$stmt = $this->getConnection()->prepare($sql);
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$stmt->bindValue($i = 1, $now, \PDO::PARAM_INT);
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foreach ($ids as $id) {
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$stmt->bindValue(++$i, $id);
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}
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$result = $stmt->execute();
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if (\is_object($result)) {
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$result = $result->iterateNumeric();
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} else {
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$stmt->setFetchMode(\PDO::FETCH_NUM);
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$result = $stmt;
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}
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foreach ($result as $row) {
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if (null === $row[1]) {
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$expired[] = $row[0];
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} else {
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yield $row[0] => $this->marshaller->unmarshall(\is_resource($row[1]) ? stream_get_contents($row[1]) : $row[1]);
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}
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}
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if ($expired) {
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$sql = str_pad('', (\count($expired) << 1) - 1, '?,');
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$sql = "DELETE FROM $this->table WHERE $this->lifetimeCol + $this->timeCol <= ? AND $this->idCol IN ($sql)";
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$stmt = $this->getConnection()->prepare($sql);
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$stmt->bindValue($i = 1, $now, \PDO::PARAM_INT);
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foreach ($expired as $id) {
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$stmt->bindValue(++$i, $id);
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}
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$stmt->execute();
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}
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}
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/**
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* {@inheritdoc}
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*/
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protected function doHave($id)
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{
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$sql = "SELECT 1 FROM $this->table WHERE $this->idCol = :id AND ($this->lifetimeCol IS NULL OR $this->lifetimeCol + $this->timeCol > :time)";
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$stmt = $this->getConnection()->prepare($sql);
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$stmt->bindValue(':id', $id);
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$stmt->bindValue(':time', time(), \PDO::PARAM_INT);
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$result = $stmt->execute();
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return (bool) (\is_object($result) ? $result->fetchOne() : $stmt->fetchColumn());
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}
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/**
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* {@inheritdoc}
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*/
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protected function doClear($namespace)
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{
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$conn = $this->getConnection();
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if ('' === $namespace) {
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if ('sqlite' === $this->driver) {
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$sql = "DELETE FROM $this->table";
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} else {
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$sql = "TRUNCATE TABLE $this->table";
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}
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} else {
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$sql = "DELETE FROM $this->table WHERE $this->idCol LIKE '$namespace%'";
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}
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try {
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if (method_exists($conn, 'executeStatement')) {
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$conn->executeStatement($sql);
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} else {
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$conn->exec($sql);
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}
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} catch (TableNotFoundException $e) {
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} catch (\PDOException $e) {
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}
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return true;
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}
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/**
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* {@inheritdoc}
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*/
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protected function doDelete(array $ids)
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{
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$sql = str_pad('', (\count($ids) << 1) - 1, '?,');
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$sql = "DELETE FROM $this->table WHERE $this->idCol IN ($sql)";
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try {
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$stmt = $this->getConnection()->prepare($sql);
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$stmt->execute(array_values($ids));
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} catch (TableNotFoundException $e) {
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} catch (\PDOException $e) {
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}
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return true;
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}
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/**
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* {@inheritdoc}
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*/
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protected function doSave(array $values, int $lifetime)
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{
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if (!$values = $this->marshaller->marshall($values, $failed)) {
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return $failed;
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}
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$conn = $this->getConnection();
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$driver = $this->driver;
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$insertSql = "INSERT INTO $this->table ($this->idCol, $this->dataCol, $this->lifetimeCol, $this->timeCol) VALUES (:id, :data, :lifetime, :time)";
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switch (true) {
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case 'mysql' === $driver:
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$sql = $insertSql." ON DUPLICATE KEY UPDATE $this->dataCol = VALUES($this->dataCol), $this->lifetimeCol = VALUES($this->lifetimeCol), $this->timeCol = VALUES($this->timeCol)";
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break;
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case 'oci' === $driver:
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// DUAL is Oracle specific dummy table
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$sql = "MERGE INTO $this->table USING DUAL ON ($this->idCol = ?) ".
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"WHEN NOT MATCHED THEN INSERT ($this->idCol, $this->dataCol, $this->lifetimeCol, $this->timeCol) VALUES (?, ?, ?, ?) ".
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"WHEN MATCHED THEN UPDATE SET $this->dataCol = ?, $this->lifetimeCol = ?, $this->timeCol = ?";
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break;
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case 'sqlsrv' === $driver && version_compare($this->getServerVersion(), '10', '>='):
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// MERGE is only available since SQL Server 2008 and must be terminated by semicolon
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// It also requires HOLDLOCK according to http://weblogs.sqlteam.com/dang/archive/2009/01/31/UPSERT-Race-Condition-With-MERGE.aspx
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$sql = "MERGE INTO $this->table WITH (HOLDLOCK) USING (SELECT 1 AS dummy) AS src ON ($this->idCol = ?) ".
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"WHEN NOT MATCHED THEN INSERT ($this->idCol, $this->dataCol, $this->lifetimeCol, $this->timeCol) VALUES (?, ?, ?, ?) ".
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"WHEN MATCHED THEN UPDATE SET $this->dataCol = ?, $this->lifetimeCol = ?, $this->timeCol = ?;";
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break;
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case 'sqlite' === $driver:
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$sql = 'INSERT OR REPLACE'.substr($insertSql, 6);
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break;
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case 'pgsql' === $driver && version_compare($this->getServerVersion(), '9.5', '>='):
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$sql = $insertSql." ON CONFLICT ($this->idCol) DO UPDATE SET ($this->dataCol, $this->lifetimeCol, $this->timeCol) = (EXCLUDED.$this->dataCol, EXCLUDED.$this->lifetimeCol, EXCLUDED.$this->timeCol)";
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break;
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default:
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$driver = null;
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$sql = "UPDATE $this->table SET $this->dataCol = :data, $this->lifetimeCol = :lifetime, $this->timeCol = :time WHERE $this->idCol = :id";
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break;
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}
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$now = time();
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$lifetime = $lifetime ?: null;
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try {
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$stmt = $conn->prepare($sql);
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} catch (TableNotFoundException $e) {
|
||
|
|
if (!$conn->isTransactionActive() || \in_array($this->driver, ['pgsql', 'sqlite', 'sqlsrv'], true)) {
|
||
|
|
$this->createTable();
|
||
|
|
}
|
||
|
|
$stmt = $conn->prepare($sql);
|
||
|
|
} catch (\PDOException $e) {
|
||
|
|
if (!$conn->inTransaction() || \in_array($this->driver, ['pgsql', 'sqlite', 'sqlsrv'], true)) {
|
||
|
|
$this->createTable();
|
||
|
|
}
|
||
|
|
$stmt = $conn->prepare($sql);
|
||
|
|
}
|
||
|
|
|
||
|
|
if ('sqlsrv' === $driver || 'oci' === $driver) {
|
||
|
|
$stmt->bindParam(1, $id);
|
||
|
|
$stmt->bindParam(2, $id);
|
||
|
|
$stmt->bindParam(3, $data, \PDO::PARAM_LOB);
|
||
|
|
$stmt->bindValue(4, $lifetime, \PDO::PARAM_INT);
|
||
|
|
$stmt->bindValue(5, $now, \PDO::PARAM_INT);
|
||
|
|
$stmt->bindParam(6, $data, \PDO::PARAM_LOB);
|
||
|
|
$stmt->bindValue(7, $lifetime, \PDO::PARAM_INT);
|
||
|
|
$stmt->bindValue(8, $now, \PDO::PARAM_INT);
|
||
|
|
} else {
|
||
|
|
$stmt->bindParam(':id', $id);
|
||
|
|
$stmt->bindParam(':data', $data, \PDO::PARAM_LOB);
|
||
|
|
$stmt->bindValue(':lifetime', $lifetime, \PDO::PARAM_INT);
|
||
|
|
$stmt->bindValue(':time', $now, \PDO::PARAM_INT);
|
||
|
|
}
|
||
|
|
if (null === $driver) {
|
||
|
|
$insertStmt = $conn->prepare($insertSql);
|
||
|
|
|
||
|
|
$insertStmt->bindParam(':id', $id);
|
||
|
|
$insertStmt->bindParam(':data', $data, \PDO::PARAM_LOB);
|
||
|
|
$insertStmt->bindValue(':lifetime', $lifetime, \PDO::PARAM_INT);
|
||
|
|
$insertStmt->bindValue(':time', $now, \PDO::PARAM_INT);
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach ($values as $id => $data) {
|
||
|
|
try {
|
||
|
|
$result = $stmt->execute();
|
||
|
|
} catch (TableNotFoundException $e) {
|
||
|
|
if (!$conn->isTransactionActive() || \in_array($this->driver, ['pgsql', 'sqlite', 'sqlsrv'], true)) {
|
||
|
|
$this->createTable();
|
||
|
|
}
|
||
|
|
$result = $stmt->execute();
|
||
|
|
} catch (\PDOException $e) {
|
||
|
|
if (!$conn->inTransaction() || \in_array($this->driver, ['pgsql', 'sqlite', 'sqlsrv'], true)) {
|
||
|
|
$this->createTable();
|
||
|
|
}
|
||
|
|
$result = $stmt->execute();
|
||
|
|
}
|
||
|
|
if (null === $driver && !(\is_object($result) ? $result->rowCount() : $stmt->rowCount())) {
|
||
|
|
try {
|
||
|
|
$insertStmt->execute();
|
||
|
|
} catch (DBALException | Exception $e) {
|
||
|
|
} catch (\PDOException $e) {
|
||
|
|
// A concurrent write won, let it be
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $failed;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @return \PDO|Connection
|
||
|
|
*/
|
||
|
|
private function getConnection()
|
||
|
|
{
|
||
|
|
if (null === $this->conn) {
|
||
|
|
if (strpos($this->dsn, '://')) {
|
||
|
|
if (!class_exists(DriverManager::class)) {
|
||
|
|
throw new InvalidArgumentException(sprintf('Failed to parse the DSN "%s". Try running "composer require doctrine/dbal".', $this->dsn));
|
||
|
|
}
|
||
|
|
$this->conn = DriverManager::getConnection(['url' => $this->dsn]);
|
||
|
|
} else {
|
||
|
|
$this->conn = new \PDO($this->dsn, $this->username, $this->password, $this->connectionOptions);
|
||
|
|
$this->conn->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (null === $this->driver) {
|
||
|
|
if ($this->conn instanceof \PDO) {
|
||
|
|
$this->driver = $this->conn->getAttribute(\PDO::ATTR_DRIVER_NAME);
|
||
|
|
} else {
|
||
|
|
$driver = $this->conn->getDriver();
|
||
|
|
|
||
|
|
switch (true) {
|
||
|
|
case $driver instanceof \Doctrine\DBAL\Driver\Mysqli\Driver:
|
||
|
|
throw new \LogicException(sprintf('The adapter "%s" does not support the mysqli driver, use pdo_mysql instead.', static::class));
|
||
|
|
case $driver instanceof \Doctrine\DBAL\Driver\AbstractMySQLDriver:
|
||
|
|
$this->driver = 'mysql';
|
||
|
|
break;
|
||
|
|
case $driver instanceof \Doctrine\DBAL\Driver\PDOSqlite\Driver:
|
||
|
|
case $driver instanceof \Doctrine\DBAL\Driver\PDO\SQLite\Driver:
|
||
|
|
$this->driver = 'sqlite';
|
||
|
|
break;
|
||
|
|
case $driver instanceof \Doctrine\DBAL\Driver\PDOPgSql\Driver:
|
||
|
|
case $driver instanceof \Doctrine\DBAL\Driver\PDO\PgSQL\Driver:
|
||
|
|
$this->driver = 'pgsql';
|
||
|
|
break;
|
||
|
|
case $driver instanceof \Doctrine\DBAL\Driver\OCI8\Driver:
|
||
|
|
case $driver instanceof \Doctrine\DBAL\Driver\PDOOracle\Driver:
|
||
|
|
case $driver instanceof \Doctrine\DBAL\Driver\PDO\OCI\Driver:
|
||
|
|
$this->driver = 'oci';
|
||
|
|
break;
|
||
|
|
case $driver instanceof \Doctrine\DBAL\Driver\SQLSrv\Driver:
|
||
|
|
case $driver instanceof \Doctrine\DBAL\Driver\PDOSqlsrv\Driver:
|
||
|
|
case $driver instanceof \Doctrine\DBAL\Driver\PDO\SQLSrv\Driver:
|
||
|
|
$this->driver = 'sqlsrv';
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
$this->driver = \get_class($driver);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->conn;
|
||
|
|
}
|
||
|
|
|
||
|
|
private function getServerVersion(): string
|
||
|
|
{
|
||
|
|
if (null === $this->serverVersion) {
|
||
|
|
$conn = $this->conn instanceof \PDO ? $this->conn : $this->conn->getWrappedConnection();
|
||
|
|
if ($conn instanceof \PDO) {
|
||
|
|
$this->serverVersion = $conn->getAttribute(\PDO::ATTR_SERVER_VERSION);
|
||
|
|
} elseif ($conn instanceof ServerInfoAwareConnection) {
|
||
|
|
$this->serverVersion = $conn->getServerVersion();
|
||
|
|
} else {
|
||
|
|
$this->serverVersion = '0';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->serverVersion;
|
||
|
|
}
|
||
|
|
}
|