#### Bug Fix (user-visible misbehaviour in official stable or prestable release)
* Backported in [#36582](https://github.com/ClickHouse/ClickHouse/issues/36582): Fix nullptr dereference in JOIN and COLUMNS matcher. This fixes [#36416](https://github.com/ClickHouse/ClickHouse/issues/36416) . This is for https://github.com/ClickHouse/ClickHouse/pull/36417. [#36430](https://github.com/ClickHouse/ClickHouse/pull/36430) ([Amos Bird](https://github.com/amosbird)).