unexpected unknown column error

[XuHuaiyu]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

create table t(a int);
select a.a from t a having a.a;

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

mysql> select a.a from t a having a.a;
Empty set (0.00 sec)

3. What did you see instead (Required)

tidb> select a.a from t a having a.a;
ERROR 1054 (42S22): Unknown column 'a.a' in 'having clause'

4. Affected version (Required)

all versions

5. Root Cause Analysis