reverted:
--- b/core/modules/pgsql/src/Driver/Database/pgsql/Connection.php
+++ a/core/modules/pgsql/src/Driver/Database/pgsql/Connection.php
@@ -9,7 +9,7 @@
 use Drupal\Core\Database\StatementInterface;
 use Drupal\Core\Database\StatementWrapper;
 
+// cSpell:ignore ilike nextval
-// cSpell:ignore ilike nextval relname relkind relname.
 
 /**
  * @addtogroup database
diff -u b/core/modules/pgsql/src/Driver/Database/pgsql/Schema.php b/core/modules/pgsql/src/Driver/Database/pgsql/Schema.php
--- b/core/modules/pgsql/src/Driver/Database/pgsql/Schema.php
+++ b/core/modules/pgsql/src/Driver/Database/pgsql/Schema.php
@@ -11,6 +11,7 @@
 // cSpell:ignore contype fillfactor indexname indexrelid indisprimary indkey
 // cSpell:ignore indrelid nextval nspname regclass relkind relname relnamespace
 // cSpell:ignore schemaname setval
+// cSpell:ignore refobjid refobjsubid objid classid
 
 /**
  * @addtogroup schemaapi
@@ -1136,14 +1137,14 @@
   }
 
   /**
-   * Retrives the sequence owner object.
+   * Retrieves the sequence owner object.
    *
    * @return array|null
    *   Returns the sequence owner object or NULL if it does not exist..
    */
   public function getSequenceOwner(): ?array {
-    $seq_name = $connection->makeSequenceName('users', 'uid');
-    $seq_owner = $connection->query("SELECT d.refobjid::regclass as table_name, a.attname as field_name
+    $seq_name = $this->connection->makeSequenceName('users', 'uid');
+    $seq_owner = $this->connection->query("SELECT d.refobjid::regclass as table_name, a.attname as field_name
       FROM pg_depend d
       JOIN pg_attribute a ON a.attrelid = d.refobjid AND a.attnum = d.refobjsubid
       WHERE d.objid = :seq_name::regclass