Function range_table_walker

src/backend/nodes/nodeFuncs.c:2613–2629

* range_table_walker is just the part of query_tree_walker that scans * a query's rangetable. This is split out since it can be useful on * its own. */

 * its own.
 */
bool
range_table_walker(List *rtable,
				   bool (*walker) (),
				   void *context,
				   int flags)
{
	ListCell   *rt;

	foreach(rt, rtable)
	{
		RangeTblEntry *rte = lfirst_node(RangeTblEntry, rt);

		if (range_table_entry_walker(rte, walker, context, flags))
			return true;
	}
	return false;
}

/*
 * Some callers even want to scan the expressions in individual RTEs.