617 lines
21 KiB
PHP
617 lines
21 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\Adapter;
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use Doctrine\DBAL\Connection;
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use Doctrine\DBAL\Schema\Schema;
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use Psr\Cache\CacheItemInterface;
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use Psr\Log\LoggerInterface;
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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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use Symfony\Component\Cache\PruneableInterface;
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class PdoAdapter extends AbstractAdapter implements PruneableInterface
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{
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protected $maxIdLength = 255;
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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 = null;
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private $password = null;
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private $connectionOptions = [];
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private $namespace;
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private $dbalAdapter;
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/**
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* You can either pass an existing database connection as PDO instance or
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* a DSN string that will be used to lazy-connect to the database when the
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* cache is actually used.
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*
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* List of available options:
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* * db_table: The name of the table [default: cache_items]
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* * db_id_col: The column where to store the cache id [default: item_id]
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* * db_data_col: The column where to store the cache data [default: item_data]
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* * db_lifetime_col: The column where to store the lifetime [default: item_lifetime]
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* * db_time_col: The column where to store the timestamp [default: item_time]
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* * db_username: The username when lazy-connect [default: '']
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* * db_password: The password when lazy-connect [default: '']
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* * db_connection_options: An array of driver-specific connection options [default: []]
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*
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* @param \PDO|string $connOrDsn
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*
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* @throws InvalidArgumentException When first argument is not PDO nor Connection nor string
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* @throws InvalidArgumentException When PDO error mode is not PDO::ERRMODE_EXCEPTION
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* @throws InvalidArgumentException When namespace contains invalid characters
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*/
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public function __construct($connOrDsn, string $namespace = '', int $defaultLifetime = 0, array $options = [], ?MarshallerInterface $marshaller = null)
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{
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if ($connOrDsn instanceof Connection || (\is_string($connOrDsn) && str_contains($connOrDsn, '://'))) {
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trigger_deprecation('symfony/cache', '5.4', 'Usage of a DBAL Connection with "%s" is deprecated and will be removed in symfony 6.0. Use "%s" instead.', __CLASS__, DoctrineDbalAdapter::class);
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$this->dbalAdapter = new DoctrineDbalAdapter($connOrDsn, $namespace, $defaultLifetime, $options, $marshaller);
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return;
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}
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if (isset($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 = $connOrDsn;
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} elseif (\is_string($connOrDsn)) {
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$this->dsn = $connOrDsn;
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} else {
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throw new InvalidArgumentException(sprintf('"%s" requires PDO or Doctrine\DBAL\Connection instance or DSN string as first argument, "%s" given.', __CLASS__, get_debug_type($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, $defaultLifetime);
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}
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/**
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* {@inheritDoc}
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*/
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public function getItem($key)
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{
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if (isset($this->dbalAdapter)) {
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return $this->dbalAdapter->getItem($key);
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}
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return parent::getItem($key);
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}
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/**
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* {@inheritDoc}
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*/
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public function getItems(array $keys = [])
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{
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if (isset($this->dbalAdapter)) {
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return $this->dbalAdapter->getItems($keys);
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}
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return parent::getItems($keys);
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}
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/**
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* {@inheritDoc}
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*/
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public function hasItem($key)
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{
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if (isset($this->dbalAdapter)) {
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return $this->dbalAdapter->hasItem($key);
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}
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return parent::hasItem($key);
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}
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/**
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* {@inheritDoc}
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*/
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public function deleteItem($key)
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{
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if (isset($this->dbalAdapter)) {
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return $this->dbalAdapter->deleteItem($key);
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}
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return parent::deleteItem($key);
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}
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/**
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* {@inheritDoc}
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*/
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public function deleteItems(array $keys)
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{
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if (isset($this->dbalAdapter)) {
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return $this->dbalAdapter->deleteItems($keys);
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}
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return parent::deleteItems($keys);
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}
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/**
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* {@inheritDoc}
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*/
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public function clear(string $prefix = '')
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{
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if (isset($this->dbalAdapter)) {
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return $this->dbalAdapter->clear($prefix);
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}
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return parent::clear($prefix);
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}
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/**
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* {@inheritDoc}
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*/
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public function get(string $key, callable $callback, ?float $beta = null, ?array &$metadata = null)
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{
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if (isset($this->dbalAdapter)) {
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return $this->dbalAdapter->get($key, $callback, $beta, $metadata);
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}
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return parent::get($key, $callback, $beta, $metadata);
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}
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/**
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* {@inheritDoc}
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*/
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public function delete(string $key): bool
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{
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if (isset($this->dbalAdapter)) {
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return $this->dbalAdapter->delete($key);
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}
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return parent::delete($key);
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}
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/**
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* {@inheritDoc}
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*/
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public function save(CacheItemInterface $item)
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{
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if (isset($this->dbalAdapter)) {
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return $this->dbalAdapter->save($item);
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}
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return parent::save($item);
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}
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/**
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* {@inheritDoc}
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*/
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public function saveDeferred(CacheItemInterface $item)
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{
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if (isset($this->dbalAdapter)) {
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return $this->dbalAdapter->saveDeferred($item);
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}
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return parent::saveDeferred($item);
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}
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/**
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* {@inheritDoc}
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*/
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public function setLogger(LoggerInterface $logger): void
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{
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if (isset($this->dbalAdapter)) {
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$this->dbalAdapter->setLogger($logger);
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return;
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}
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parent::setLogger($logger);
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}
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/**
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* {@inheritDoc}
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*/
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public function commit()
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{
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if (isset($this->dbalAdapter)) {
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return $this->dbalAdapter->commit();
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}
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return parent::commit();
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}
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/**
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* {@inheritDoc}
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*/
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public function reset()
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{
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if (isset($this->dbalAdapter)) {
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$this->dbalAdapter->reset();
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return;
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}
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parent::reset();
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}
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/**
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* Creates the table to store cache items which can be called once for setup.
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*
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* Cache ID are saved in a column of maximum length 255. Cache data is
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* saved in a BLOB.
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*
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* @throws \PDOException When the table already exists
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* @throws \DomainException When an unsupported PDO driver is used
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*/
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public function createTable()
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{
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if (isset($this->dbalAdapter)) {
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$this->dbalAdapter->createTable();
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return;
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}
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// connect if we are not yet
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$conn = $this->getConnection();
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switch ($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, $this->timeCol INTEGER UNSIGNED NOT NULL) COLLATE utf8mb4_bin, ENGINE = InnoDB";
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break;
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case 'sqlite':
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$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".', $this->driver));
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}
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$conn->exec($sql);
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}
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/**
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* Adds the Table to the Schema if the adapter uses this Connection.
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*
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* @deprecated since symfony/cache 5.4 use DoctrineDbalAdapter instead
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*/
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public function configureSchema(Schema $schema, Connection $forConnection): void
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{
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if (isset($this->dbalAdapter)) {
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$this->dbalAdapter->configureSchema($schema, $forConnection);
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}
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}
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/**
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* {@inheritdoc}
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*/
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public function prune()
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{
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if (isset($this->dbalAdapter)) {
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return $this->dbalAdapter->prune();
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}
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$deleteSql = "DELETE FROM $this->table WHERE $this->lifetimeCol + $this->timeCol <= :time";
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if ('' !== $this->namespace) {
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$deleteSql .= " AND $this->idCol LIKE :namespace";
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}
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$connection = $this->getConnection();
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try {
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$delete = $connection->prepare($deleteSql);
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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 (\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 $ids)
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{
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$connection = $this->getConnection();
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$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 = $connection->prepare($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) {
|
||
|
|
if (null === $row[1]) {
|
||
|
|
$expired[] = $row[0];
|
||
|
|
} else {
|
||
|
|
yield $row[0] => $this->marshaller->unmarshall(\is_resource($row[1]) ? stream_get_contents($row[1]) : $row[1]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($expired) {
|
||
|
|
$sql = str_pad('', (\count($expired) << 1) - 1, '?,');
|
||
|
|
$sql = "DELETE FROM $this->table WHERE $this->lifetimeCol + $this->timeCol <= ? AND $this->idCol IN ($sql)";
|
||
|
|
$stmt = $connection->prepare($sql);
|
||
|
|
$stmt->bindValue($i = 1, $now, \PDO::PARAM_INT);
|
||
|
|
foreach ($expired as $id) {
|
||
|
|
$stmt->bindValue(++$i, $id);
|
||
|
|
}
|
||
|
|
$stmt->execute();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* {@inheritdoc}
|
||
|
|
*/
|
||
|
|
protected function doHave(string $id)
|
||
|
|
{
|
||
|
|
$connection = $this->getConnection();
|
||
|
|
|
||
|
|
$sql = "SELECT 1 FROM $this->table WHERE $this->idCol = :id AND ($this->lifetimeCol IS NULL OR $this->lifetimeCol + $this->timeCol > :time)";
|
||
|
|
$stmt = $connection->prepare($sql);
|
||
|
|
|
||
|
|
$stmt->bindValue(':id', $id);
|
||
|
|
$stmt->bindValue(':time', time(), \PDO::PARAM_INT);
|
||
|
|
$stmt->execute();
|
||
|
|
|
||
|
|
return (bool) $stmt->fetchColumn();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* {@inheritdoc}
|
||
|
|
*/
|
||
|
|
protected function doClear(string $namespace)
|
||
|
|
{
|
||
|
|
$conn = $this->getConnection();
|
||
|
|
|
||
|
|
if ('' === $namespace) {
|
||
|
|
if ('sqlite' === $this->driver) {
|
||
|
|
$sql = "DELETE FROM $this->table";
|
||
|
|
} else {
|
||
|
|
$sql = "TRUNCATE TABLE $this->table";
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
$sql = "DELETE FROM $this->table WHERE $this->idCol LIKE '$namespace%'";
|
||
|
|
}
|
||
|
|
|
||
|
|
try {
|
||
|
|
$conn->exec($sql);
|
||
|
|
} catch (\PDOException $e) {
|
||
|
|
}
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* {@inheritdoc}
|
||
|
|
*/
|
||
|
|
protected function doDelete(array $ids)
|
||
|
|
{
|
||
|
|
$sql = str_pad('', (\count($ids) << 1) - 1, '?,');
|
||
|
|
$sql = "DELETE FROM $this->table WHERE $this->idCol IN ($sql)";
|
||
|
|
try {
|
||
|
|
$stmt = $this->getConnection()->prepare($sql);
|
||
|
|
$stmt->execute(array_values($ids));
|
||
|
|
} catch (\PDOException $e) {
|
||
|
|
}
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* {@inheritdoc}
|
||
|
|
*/
|
||
|
|
protected function doSave(array $values, int $lifetime)
|
||
|
|
{
|
||
|
|
if (!$values = $this->marshaller->marshall($values, $failed)) {
|
||
|
|
return $failed;
|
||
|
|
}
|
||
|
|
|
||
|
|
$conn = $this->getConnection();
|
||
|
|
|
||
|
|
$driver = $this->driver;
|
||
|
|
$insertSql = "INSERT INTO $this->table ($this->idCol, $this->dataCol, $this->lifetimeCol, $this->timeCol) VALUES (:id, :data, :lifetime, :time)";
|
||
|
|
|
||
|
|
switch (true) {
|
||
|
|
case 'mysql' === $driver:
|
||
|
|
$sql = $insertSql." ON DUPLICATE KEY UPDATE $this->dataCol = VALUES($this->dataCol), $this->lifetimeCol = VALUES($this->lifetimeCol), $this->timeCol = VALUES($this->timeCol)";
|
||
|
|
break;
|
||
|
|
case 'oci' === $driver:
|
||
|
|
// DUAL is Oracle specific dummy table
|
||
|
|
$sql = "MERGE INTO $this->table USING DUAL ON ($this->idCol = ?) ".
|
||
|
|
"WHEN NOT MATCHED THEN INSERT ($this->idCol, $this->dataCol, $this->lifetimeCol, $this->timeCol) VALUES (?, ?, ?, ?) ".
|
||
|
|
"WHEN MATCHED THEN UPDATE SET $this->dataCol = ?, $this->lifetimeCol = ?, $this->timeCol = ?";
|
||
|
|
break;
|
||
|
|
case 'sqlsrv' === $driver && version_compare($this->getServerVersion(), '10', '>='):
|
||
|
|
// MERGE is only available since SQL Server 2008 and must be terminated by semicolon
|
||
|
|
// It also requires HOLDLOCK according to http://weblogs.sqlteam.com/dang/archive/2009/01/31/UPSERT-Race-Condition-With-MERGE.aspx
|
||
|
|
$sql = "MERGE INTO $this->table WITH (HOLDLOCK) USING (SELECT 1 AS dummy) AS src ON ($this->idCol = ?) ".
|
||
|
|
"WHEN NOT MATCHED THEN INSERT ($this->idCol, $this->dataCol, $this->lifetimeCol, $this->timeCol) VALUES (?, ?, ?, ?) ".
|
||
|
|
"WHEN MATCHED THEN UPDATE SET $this->dataCol = ?, $this->lifetimeCol = ?, $this->timeCol = ?;";
|
||
|
|
break;
|
||
|
|
case 'sqlite' === $driver:
|
||
|
|
$sql = 'INSERT OR REPLACE'.substr($insertSql, 6);
|
||
|
|
break;
|
||
|
|
case 'pgsql' === $driver && version_compare($this->getServerVersion(), '9.5', '>='):
|
||
|
|
$sql = $insertSql." ON CONFLICT ($this->idCol) DO UPDATE SET ($this->dataCol, $this->lifetimeCol, $this->timeCol) = (EXCLUDED.$this->dataCol, EXCLUDED.$this->lifetimeCol, EXCLUDED.$this->timeCol)";
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
$driver = null;
|
||
|
|
$sql = "UPDATE $this->table SET $this->dataCol = :data, $this->lifetimeCol = :lifetime, $this->timeCol = :time WHERE $this->idCol = :id";
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
$now = time();
|
||
|
|
$lifetime = $lifetime ?: null;
|
||
|
|
try {
|
||
|
|
$stmt = $conn->prepare($sql);
|
||
|
|
} catch (\PDOException $e) {
|
||
|
|
if ($this->isTableMissing($e) && (!$conn->inTransaction() || \in_array($this->driver, ['pgsql', 'sqlite', 'sqlsrv'], true))) {
|
||
|
|
$this->createTable();
|
||
|
|
}
|
||
|
|
$stmt = $conn->prepare($sql);
|
||
|
|
}
|
||
|
|
|
||
|
|
// $id and $data are defined later in the loop. Binding is done by reference, values are read on execution.
|
||
|
|
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 {
|
||
|
|
$stmt->execute();
|
||
|
|
} catch (\PDOException $e) {
|
||
|
|
if ($this->isTableMissing($e) && (!$conn->inTransaction() || \in_array($this->driver, ['pgsql', 'sqlite', 'sqlsrv'], true))) {
|
||
|
|
$this->createTable();
|
||
|
|
}
|
||
|
|
$stmt->execute();
|
||
|
|
}
|
||
|
|
if (null === $driver && !$stmt->rowCount()) {
|
||
|
|
try {
|
||
|
|
$insertStmt->execute();
|
||
|
|
} catch (\PDOException $e) {
|
||
|
|
// A concurrent write won, let it be
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $failed;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
protected function getId($key)
|
||
|
|
{
|
||
|
|
if ('pgsql' !== $this->driver ?? ($this->getConnection() ? $this->driver : null)) {
|
||
|
|
return parent::getId($key);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (str_contains($key, "\0") || str_contains($key, '%') || !preg_match('//u', $key)) {
|
||
|
|
$key = rawurlencode($key);
|
||
|
|
}
|
||
|
|
|
||
|
|
return parent::getId($key);
|
||
|
|
}
|
||
|
|
|
||
|
|
private function getConnection(): \PDO
|
||
|
|
{
|
||
|
|
if (null === $this->conn) {
|
||
|
|
$this->conn = new \PDO($this->dsn, $this->username, $this->password, $this->connectionOptions);
|
||
|
|
$this->conn->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION);
|
||
|
|
}
|
||
|
|
if (null === $this->driver) {
|
||
|
|
$this->driver = $this->conn->getAttribute(\PDO::ATTR_DRIVER_NAME);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->conn;
|
||
|
|
}
|
||
|
|
|
||
|
|
private function getServerVersion(): string
|
||
|
|
{
|
||
|
|
if (null === $this->serverVersion) {
|
||
|
|
$this->serverVersion = $this->conn->getAttribute(\PDO::ATTR_SERVER_VERSION);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->serverVersion;
|
||
|
|
}
|
||
|
|
|
||
|
|
private function isTableMissing(\PDOException $exception): bool
|
||
|
|
{
|
||
|
|
$driver = $this->driver;
|
||
|
|
[$sqlState, $code] = $exception->errorInfo ?? [null, $exception->getCode()];
|
||
|
|
|
||
|
|
switch (true) {
|
||
|
|
case 'pgsql' === $driver && '42P01' === $sqlState:
|
||
|
|
case 'sqlite' === $driver && str_contains($exception->getMessage(), 'no such table:'):
|
||
|
|
case 'oci' === $driver && 942 === $code:
|
||
|
|
case 'sqlsrv' === $driver && 208 === $code:
|
||
|
|
case 'mysql' === $driver && 1146 === $code:
|
||
|
|
return true;
|
||
|
|
default:
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|