only in patch2:
unchanged:
--- a/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php
+++ b/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php
@@ -286,7 +286,7 @@ public function nextIdDelete() {
     // counter.
     try {
       $max_id = $this->query('SELECT MAX(value) FROM {sequences}')->fetchField();
-      // We know we are using MySQL here, no need for the slower db_delete().
+      // We know we are using MySQL here, no need for the slower \Drupal::database()->delete().
       $this->query('DELETE FROM {sequences} WHERE value < :value', [':value' => $max_id]);
     }
     // During testing, this function is called from shutdown with the
only in patch2:
unchanged:
--- a/core/lib/Drupal/Core/Database/database.api.php
+++ b/core/lib/Drupal/Core/Database/database.api.php
@@ -127,7 +127,7 @@
  * INSERT, UPDATE, and DELETE queries need special care in order to behave
  * consistently across databases; you should never use db_query() to run
  * an INSERT, UPDATE, or DELETE query. Instead, use functions db_insert(),
- * db_update(), and db_delete() to obtain a base query on your table, and then
+ * db_update(), and \Drupal::database()->delete() to obtain a base query on your table, and then
  * add dynamic conditions (as illustrated in @ref sec_dynamic above).
  *
  * As a note, db_insert() and similar functions are wrappers on connection
only in patch2:
unchanged:
--- a/core/tests/Drupal/KernelTests/Core/Config/Storage/DatabaseStorageTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Config/Storage/DatabaseStorageTest.php
@@ -38,7 +38,7 @@ protected function update($name, $data) {
   }
 
   protected function delete($name) {
-    db_delete('config')->condition('name', $name)->execute();
+    \Drupal::database()->delete('config')->condition('name', $name)->execute();
   }
 
 }
only in patch2:
unchanged:
--- a/core/tests/Drupal/KernelTests/Core/Database/DeleteTruncateTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Database/DeleteTruncateTest.php
@@ -27,7 +27,7 @@ public function testSubselectDelete() {
     $subquery = db_select('test', 't')
       ->fields('t', ['id'])
       ->condition('t.id', [$pid_to_delete], 'IN');
-    $delete = db_delete('test_task')
+    $delete = \Drupal::database()->delete('test_task')
       ->condition('task', 'sleep')
       ->condition('pid', $subquery, 'IN');
 
@@ -44,7 +44,7 @@ public function testSubselectDelete() {
   public function testSimpleDelete() {
     $num_records_before = db_query('SELECT COUNT(*) FROM {test}')->fetchField();
 
-    $num_deleted = db_delete('test')
+    $num_deleted = \Drupal::database()->delete('test')
       ->condition('id', 1)
       ->execute();
     $this->assertIdentical($num_deleted, 1, 'Deleted 1 record.');
@@ -72,7 +72,7 @@ public function testTruncate() {
   public function testSpecialColumnDelete() {
     $num_records_before = db_query('SELECT COUNT(*) FROM {test_special_columns}')->fetchField();
 
-    $num_deleted = db_delete('test_special_columns')
+    $num_deleted = \Drupal::database()->delete('test_special_columns')
       ->condition('id', 1)
       ->execute();
     $this->assertIdentical($num_deleted, 1, 'Deleted 1 special column record.');