"The 'kill' or 'admin' operations do not accommodate user-defined variables.

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

set @id=100; kill @id; admin cancel ddl jobs @id;

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

Query kill or admin is executed successfully; The behavior of MySQL is as follows

3. What did you see instead (Required)

4. What is your TiDB version? (Required)

mysql> select tidb_version(); +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | tidb_version() | +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | Release Version: v6.5.6 Edition: Community Git Commit Hash: 8445821f105477d5e31de9d8451b7fbf35a02cd1 Git Branch: heads/refs/tags/v6.5.6 UTC Build Time: 2023-12-04 07:21:27 GoVersion: go1.19.13 Race Enabled: false TiKV Min Version: 6.2.0-alpha Check Table Before Drop: false Store: tikv | +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ 1 row in set (0.00 sec)