Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

create table recreate_t (c int)
PARTITION BY RANGE (c) (
	PARTITION p0 VALUES LESS THAN (6),
	PARTITION p1 VALUES LESS THAN (11)
);
alter table recreate_t attributes="key=value";
alter table recreate_t partition p0 attributes="key1=value1";
drop table recreate_t;

2. What did you expect to see? (Required)

The rule will be removed from PD after GC.

3. What did you see instead (Required)

There is a rule still left in PD.

4. What is your TiDB version? (Required)

master