394 lines
15 KiB
PHP
394 lines
15 KiB
PHP
<?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\Driver\ServerInfoAwareConnection;
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use Doctrine\DBAL\DriverManager;
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use Doctrine\DBAL\Exception as DBALException;
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use Doctrine\DBAL\Exception\TableNotFoundException;
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use Doctrine\DBAL\ParameterType;
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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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use Symfony\Component\Cache\PruneableInterface;
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class DoctrineDbalAdapter 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 string $platformName;
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private string $serverVersion;
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private string $table = 'cache_items';
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private string $idCol = 'item_id';
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private string $dataCol = 'item_data';
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private string $lifetimeCol = 'item_lifetime';
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private string $timeCol = 'item_time';
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private string $namespace;
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/**
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* You can either pass an existing database Doctrine DBAL Connection or
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* a DSN string that will be used to connect to the database.
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*
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* The cache table is created automatically when possible.
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* Otherwise, use the createTable() method.
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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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*
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* @throws InvalidArgumentException When namespace contains invalid characters
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*/
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public function __construct(Connection|string $connOrDsn, string $namespace = '', int $defaultLifetime = 0, array $options = [], MarshallerInterface $marshaller = null)
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{
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if (isset($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 Connection) {
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$this->conn = $connOrDsn;
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} else {
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if (!class_exists(DriverManager::class)) {
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throw new InvalidArgumentException(sprintf('Failed to parse the DSN "%s". Try running "composer require doctrine/dbal".', $connOrDsn));
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}
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$this->conn = DriverManager::getConnection(['url' => $connOrDsn]);
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}
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$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->namespace = $namespace;
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$this->marshaller = $marshaller ?? new DefaultMarshaller();
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parent::__construct($namespace, $defaultLifetime);
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}
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/**
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* Creates the table to store cache items which can be called once for setup.
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*
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* Cache ID are saved in a column of maximum length 255. Cache data is
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* saved in a BLOB.
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*
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* @throws DBALException When the table already exists
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*/
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public function createTable(): void
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{
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$schema = new Schema();
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$this->addTableToSchema($schema);
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foreach ($schema->toSql($this->conn->getDatabasePlatform()) as $sql) {
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$this->conn->executeStatement($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 configureSchema(Schema $schema, Connection $forConnection): void
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{
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// only update the schema for this connection
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if ($forConnection !== $this->conn) {
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return;
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}
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if ($schema->hasTable($this->table)) {
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return;
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}
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$this->addTableToSchema($schema);
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}
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/**
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* {@inheritdoc}
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*/
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public function prune(): bool
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{
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$deleteSql = "DELETE FROM $this->table WHERE $this->lifetimeCol + $this->timeCol <= ?";
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$params = [time()];
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$paramTypes = [ParameterType::INTEGER];
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if ('' !== $this->namespace) {
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$deleteSql .= " AND $this->idCol LIKE ?";
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$params[] = sprintf('%s%%', $this->namespace);
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$paramTypes[] = ParameterType::STRING;
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}
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try {
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$this->conn->executeStatement($deleteSql, $params, $paramTypes);
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} catch (TableNotFoundException $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 doFetch(array $ids): iterable
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{
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$now = time();
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$expired = [];
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$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 $this->idCol IN (?)";
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$result = $this->conn->executeQuery($sql, [
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$now,
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$ids,
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], [
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ParameterType::INTEGER,
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Connection::PARAM_STR_ARRAY,
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])->iterateNumeric();
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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 = "DELETE FROM $this->table WHERE $this->lifetimeCol + $this->timeCol <= ? AND $this->idCol IN (?)";
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$this->conn->executeStatement($sql, [
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$now,
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$expired,
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], [
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ParameterType::INTEGER,
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Connection::PARAM_STR_ARRAY,
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]);
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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(string $id): bool
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{
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$sql = "SELECT 1 FROM $this->table WHERE $this->idCol = ? AND ($this->lifetimeCol IS NULL OR $this->lifetimeCol + $this->timeCol > ?)";
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$result = $this->conn->executeQuery($sql, [
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$id,
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time(),
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], [
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ParameterType::STRING,
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ParameterType::INTEGER,
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]);
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return (bool) $result->fetchOne();
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}
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/**
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* {@inheritdoc}
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*/
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protected function doClear(string $namespace): bool
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{
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if ('' === $namespace) {
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if ('sqlite' === $this->getPlatformName()) {
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$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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$this->conn->executeStatement($sql);
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} catch (TableNotFoundException $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 $ids): bool
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{
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$sql = "DELETE FROM $this->table WHERE $this->idCol IN (?)";
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try {
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$this->conn->executeStatement($sql, [array_values($ids)], [Connection::PARAM_STR_ARRAY]);
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} catch (TableNotFoundException $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 $lifetime): array|bool
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{
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if (!$values = $this->marshaller->marshall($values, $failed)) {
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return $failed;
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}
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$platformName = $this->getPlatformName();
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$insertSql = "INSERT INTO $this->table ($this->idCol, $this->dataCol, $this->lifetimeCol, $this->timeCol) VALUES (?, ?, ?, ?)";
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switch (true) {
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case 'mysql' === $platformName:
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$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' === $platformName:
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// DUAL is Oracle specific dummy table
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$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' === $platformName && version_compare($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' === $platformName:
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$sql = 'INSERT OR REPLACE'.substr($insertSql, 6);
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break;
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case 'pgsql' === $platformName && version_compare($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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$platformName = null;
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$sql = "UPDATE $this->table SET $this->dataCol = ?, $this->lifetimeCol = ?, $this->timeCol = ? WHERE $this->idCol = ?";
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break;
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}
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$now = time();
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$lifetime = $lifetime ?: null;
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try {
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$stmt = $this->conn->prepare($sql);
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} catch (TableNotFoundException $e) {
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if (!$this->conn->isTransactionActive() || \in_array($platformName, ['pgsql', 'sqlite', 'sqlsrv'], true)) {
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$this->createTable();
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}
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$stmt = $this->conn->prepare($sql);
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}
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// $id and $data are defined later in the loop. Binding is done by reference, values are read on execution.
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if ('sqlsrv' === $platformName || 'oci' === $platformName) {
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$stmt->bindParam(1, $id);
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$stmt->bindParam(2, $id);
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$stmt->bindParam(3, $data, ParameterType::LARGE_OBJECT);
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$stmt->bindValue(4, $lifetime, ParameterType::INTEGER);
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$stmt->bindValue(5, $now, ParameterType::INTEGER);
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$stmt->bindParam(6, $data, ParameterType::LARGE_OBJECT);
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$stmt->bindValue(7, $lifetime, ParameterType::INTEGER);
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$stmt->bindValue(8, $now, ParameterType::INTEGER);
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} elseif (null !== $platformName) {
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$stmt->bindParam(1, $id);
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$stmt->bindParam(2, $data, ParameterType::LARGE_OBJECT);
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$stmt->bindValue(3, $lifetime, ParameterType::INTEGER);
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$stmt->bindValue(4, $now, ParameterType::INTEGER);
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} else {
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$stmt->bindParam(1, $data, ParameterType::LARGE_OBJECT);
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$stmt->bindValue(2, $lifetime, ParameterType::INTEGER);
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$stmt->bindValue(3, $now, ParameterType::INTEGER);
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$stmt->bindParam(4, $id);
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$insertStmt = $this->conn->prepare($insertSql);
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$insertStmt->bindParam(1, $id);
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$insertStmt->bindParam(2, $data, ParameterType::LARGE_OBJECT);
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$insertStmt->bindValue(3, $lifetime, ParameterType::INTEGER);
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$insertStmt->bindValue(4, $now, ParameterType::INTEGER);
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}
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foreach ($values as $id => $data) {
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try {
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$rowCount = $stmt->executeStatement();
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} catch (TableNotFoundException $e) {
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if (!$this->conn->isTransactionActive() || \in_array($platformName, ['pgsql', 'sqlite', 'sqlsrv'], true)) {
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$this->createTable();
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}
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$rowCount = $stmt->executeStatement();
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}
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if (null === $platformName && 0 === $rowCount) {
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try {
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$insertStmt->executeStatement();
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} catch (DBALException $e) {
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// A concurrent write won, let it be
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}
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}
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}
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return $failed;
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}
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private function getPlatformName(): string
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{
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if (isset($this->platformName)) {
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return $this->platformName;
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}
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$platform = $this->conn->getDatabasePlatform();
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switch (true) {
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case $platform instanceof \Doctrine\DBAL\Platforms\MySQLPlatform:
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case $platform instanceof \Doctrine\DBAL\Platforms\MySQL57Platform:
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return $this->platformName = 'mysql';
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case $platform instanceof \Doctrine\DBAL\Platforms\SqlitePlatform:
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return $this->platformName = 'sqlite';
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case $platform instanceof \Doctrine\DBAL\Platforms\PostgreSQLPlatform:
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case $platform instanceof \Doctrine\DBAL\Platforms\PostgreSQL94Platform:
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return $this->platformName = 'pgsql';
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case $platform instanceof \Doctrine\DBAL\Platforms\OraclePlatform:
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return $this->platformName = 'oci';
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case $platform instanceof \Doctrine\DBAL\Platforms\SQLServerPlatform:
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case $platform instanceof \Doctrine\DBAL\Platforms\SQLServer2012Platform:
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return $this->platformName = 'sqlsrv';
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default:
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return $this->platformName = \get_class($platform);
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}
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}
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private function getServerVersion(): string
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{
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if (isset($this->serverVersion)) {
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return $this->serverVersion;
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}
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$conn = $this->conn->getWrappedConnection();
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if ($conn instanceof ServerInfoAwareConnection) {
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return $this->serverVersion = $conn->getServerVersion();
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}
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return $this->serverVersion = '0';
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}
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private function addTableToSchema(Schema $schema): void
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{
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$types = [
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'mysql' => 'binary',
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'sqlite' => 'text',
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];
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$table = $schema->createTable($this->table);
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$table->addColumn($this->idCol, $types[$this->getPlatformName()] ?? 'string', ['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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}
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}
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