generator05.mal

来自「一个内存数据库的源代码这是服务器端还有客户端」· MAL 代码 · 共 13 行

# the generator optimizer
# The flow graph has complex nesting of loops
mdb.list();
	b:bat[:oid,:int]:= pbm.generator("Sales2005");
	io.print("start");
	c:bat[:oid,:int]:= pbm.generator("Sales2005");
	cr:= bat.reverse(c);
	s:= algebra.join(b,cr);
	t:= algebra.select(b,0,3);
	u:= algebra.select(c,4,6);
	io.print("finished");
optimizer.generators();