Update driver-core/src/main/java/com/datastax/driver/core/policies/TokenAwarePolicy.java

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: nikagra

driver-core/src/main/java/com/datastax/driver/core/policies/TokenAwarePolicy.java

@@ -253,9 +253,10 @@ protected Host computeNext() {
    *       in the order provided by cluster metadata (preserving primary replica order).
    *   <li><strong>Remote replicas:</strong> Returns UP replicas marked as REMOTE by the child
    *       policy.
-   *   <li><strong>Child policy fallback:</strong> If no suitable replicas are available (all DOWN
-   *       or IGNORED), falls back to the child policy's query plan, filtering out already-returned
-   *       replicas to avoid duplicates.
+   *   <li><strong>Child policy fallback:</strong> If no suitable replicas are available (for
+   *       example, all are DOWN or IGNORED and thus none are returned), falls back to the child
+   *       policy's query plan for the remaining hosts. The child policy's plan is used as-is and
+   *       may include hosts that were already considered by this iterator.
    * </ol>
    */
   private class LWTHostIterator extends AbstractIterator<Host> {