query INFORMATION_SCHEMA.TIKV_REGION_STATUS return invalid memory address or nil pointer dereference

[aytrack]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

1. tiup playground v8.0.0
2. execute the sql

CREATE TABLE employees ( id INT NOT NULL, fname VARCHAR(30), lname VARCHAR(30), hired DATE NOT NULL DEFAULT '1970-01-01', separated DATE DEFAULT '9999-12-31', job_code INT, store_id INT NOT NULL ) PARTITION BY RANGE (store_id) ( PARTITION p0 VALUES LESS THAN (6), PARTITION p1 VALUES LESS THAN (11), PARTITION p2 VALUES LESS THAN (16), PARTITION p3 VALUES LESS THAN (21) );
select TIDB_TABLE_ID from INFORMATION_SCHEMA.tables where table_name = 'employees' and table_schema = 'test';
select TABLE_ID from INFORMATION_SCHEMA.TIKV_REGION_STATUS where table_id=xxx;

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

query success

3. What did you see instead (Required)

introduced by #48276

[10:47:36]TiDB root:test> select TABLE_ID from INFORMATION_SCHEMA.TIKV_REGION_STATUS where table_id=104;
(1105, 'runtime error: invalid memory address or nil pointer dereference')

4. What is your TiDB version? (Required)

v7.6.0, v8.0.0

[JmPotato]

Cherry-picked to release-8.0 by #51899.