Issue #3506118 by daffie: Update the CacheTagsChecksumTrait to work with Redis

patches/drupal-core-11.1.2.patch

@@ -203,7 +203,7 @@ index 46f9fb97c0d6359da0cbd84279ba4bdd92b77523..fbc1d8dda75fbd8df70a779b60ab3103
  
  }
 diff --git a/core/lib/Drupal/Core/Cache/CacheTagsChecksumTrait.php b/core/lib/Drupal/Core/Cache/CacheTagsChecksumTrait.php
-index 00bf806c3dee1df743646160e9f5110fdb3034b4..8893c3e25981d8378c26dab25fd14292ae80feeb 100644
+index 00bf806c3dee1df743646160e9f5110fdb3034b4..9eb5b0471e67fa197ce2a0acf968c4ad688ee060 100644
 --- a/core/lib/Drupal/Core/Cache/CacheTagsChecksumTrait.php
 +++ b/core/lib/Drupal/Core/Cache/CacheTagsChecksumTrait.php
 @@ -32,6 +32,15 @@ trait CacheTagsChecksumTrait {
@@ -226,7 +226,7 @@ index 00bf806c3dee1df743646160e9f5110fdb3034b4..8893c3e25981d8378c26dab25fd14292
     * Implements \Drupal\Core\Cache\CacheTagsInvalidatorInterface::invalidateTags()
     */
    public function invalidateTags(array $tags) {
-+    if (($this->connection->driver() == 'mongodb') && !$this->tableExists) {
++    if (isset($this->connection) && ($this->connection->driver() == 'mongodb') && !$this->tableExists) {
 +      // For MongoDB the table needs to exist. Otherwise MongoDB creates one
 +      // without the correct validation.
 +      $this->tableExists = $this->ensureTableExists();
@@ -240,7 +240,7 @@ index 00bf806c3dee1df743646160e9f5110fdb3034b4..8893c3e25981d8378c26dab25fd14292
     * Implements \Drupal\Core\Cache\CacheTagsChecksumInterface::getCurrentChecksum()
     */
    public function getCurrentChecksum(array $tags) {
-+    if (($this->connection->driver() == 'mongodb') && !$this->tableExists) {
++    if (isset($this->connection) && ($this->connection->driver() == 'mongodb') && !$this->tableExists) {
 +      // For MongoDB the table needs to exist. Otherwise MongoDB creates one
 +      // without the correct validation.
 +      $this->tableExists = $this->ensureTableExists();