* is that we have to work harder to clean up after ourselves when we modify
* the query, since the derived data structures have to be updated too.
*
- * Portions Copyright (c) 1996-2015, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
*