Revert "SQLiteJournal: checking for extension pdo_sqlite is lazy, ser…

…vice cache.journal is created always"

This can leads to unexpected error 500 when GC is started.

This reverts commit 7212326.

src/Bridges/CacheDI/CacheExtension.php

@@ -29,16 +29,20 @@ public function loadConfiguration()
 	{
 		$builder = $this->getContainerBuilder();
 
-		$builder->addDefinition($this->prefix('journal'))
-			->setClass(Nette\Caching\Storages\IJournal::class)
-			->setFactory(Nette\Caching\Storages\SQLiteJournal::class, [$this->tempDir . '/cache/journal.s3db']);
+		if (extension_loaded('pdo_sqlite')) {
+			$builder->addDefinition($this->prefix('journal'))
+				->setClass(Nette\Caching\Storages\IJournal::class)
+				->setFactory(Nette\Caching\Storages\SQLiteJournal::class, [$this->tempDir . '/cache/journal.s3db']);
+		}
 
 		$builder->addDefinition($this->prefix('storage'))
 			->setClass(Nette\Caching\IStorage::class)
 			->setFactory(Nette\Caching\Storages\FileStorage::class, [$this->tempDir . '/cache']);
 
 		if ($this->name === 'cache') {
-			$builder->addAlias('nette.cacheJournal', $this->prefix('journal'));
+			if (extension_loaded('pdo_sqlite')) {
+				$builder->addAlias('nette.cacheJournal', $this->prefix('journal'));
+			}
 			$builder->addAlias('cacheStorage', $this->prefix('storage'));
 		}
 	}

src/Caching/Storages/SQLiteJournal.php

@@ -30,16 +30,15 @@ class SQLiteJournal implements IJournal
 	 */
 	public function __construct($path)
 	{
+		if (!extension_loaded('pdo_sqlite')) {
+			throw new Nette\NotSupportedException('SQLiteJournal requires PHP extension pdo_sqlite which is not loaded.');
+		}
 		$this->path = $path;
 	}
 
 
 	private function open()
 	{
-		if (!extension_loaded('pdo_sqlite')) {
-			throw new Nette\NotSupportedException('SQLiteJournal requires PHP extension pdo_sqlite which is not loaded.');
-		}
-
 		if ($this->path !== ':memory:' && !is_file($this->path)) {
 			touch($this->path); // ensures ordinary file permissions
 		}