The error message of "select * from TABLE_STORAGE_STATS" is ambiguous

[SunRunAway]

Bug Report

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1. Minimal reproduce step (Required)

mysql> select TABLE_KEYS from TABLE_STORAGE_STATS;
ERROR 1105 (HY000): Please specify the 'table_schema'

The error message Please specify the 'TABLE_SCHEMA' is ambiguous.
Suggest: Please add where clause to filter the column TABLE_SCHEMA. For example, add where TABLE_SCHEMA = 'xxx' or where 'table_schema' in ('xxx', 'yyy')

Another bite: https://asktug.com/t/topic/67621

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

3. What did you see instead (Required)

4. What is your TiDB version? (Required)

[SunRunAway]

@bb7133 PTAL