Function planstate_walk_members

src/backend/nodes/nodeFuncs.c:4417–4430

* Walk the constituent plans of a ModifyTable, Append, MergeAppend, * BitmapAnd, or BitmapOr node. */

 * BitmapAnd, or BitmapOr node.
 */
static bool
planstate_walk_members(PlanState **planstates, int nplans,
					   bool (*walker) (), void *context)
{
	int			j;

	for (j = 0; j < nplans; j++)
	{
		if (walker(planstates[j], context))
			return true;
	}

	return false;
}

bool
query_or_expression_tree_walker_wrapper(Node *node,