Function create_material_path

src/backend/optimizer/util/pathnode.c:2237–2270

* create_material_path * Creates a path corresponding to a Material plan, returning the * pathnode. */

 *	  pathnode.
 */
MaterialPath *
create_material_path(RelOptInfo *rel, Path *subpath)
{
	MaterialPath *pathnode = makeNode(MaterialPath);

	Assert(subpath->parent == rel);

	pathnode->path.pathtype = T_Material;
	pathnode->path.parent = rel;
	pathnode->path.pathtarget = rel->reltarget;
	pathnode->path.param_info = subpath->param_info;
	pathnode->path.parallel_aware = false;
	pathnode->path.parallel_safe = rel->consider_parallel &&
		subpath->parallel_safe;
	pathnode->path.parallel_workers = subpath->parallel_workers;
	pathnode->path.pathkeys = subpath->pathkeys;

	pathnode->path.locus = subpath->locus;
	pathnode->path.motionHazard = subpath->motionHazard;
	pathnode->path.barrierHazard = subpath->barrierHazard;
	pathnode->cdb_strict = false;
	pathnode->path.rescannable = true; /* Independent of sub-path */
	pathnode->path.sameslice_relids = subpath->sameslice_relids;

	pathnode->subpath = subpath;

	cost_material(&pathnode->path,
				  subpath->startup_cost,
				  subpath->total_cost,
				  subpath->rows,
				  subpath->pathtarget->width);

	return pathnode;
}

/*
 * create_memoize_path