INSERT ODKU EncodeRow error: data and columnID count not match

[mjonss]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

Start tidb with binlog (like tiup playground nightly --db 1 --drainer 1 --kv 1 --pd 1 --pump 1 --ticdc 1)
Same test as in TestInsertOnDuplicateKey unit test:

create table a (x int primary key);
create table b (x int, y int);
insert into a values (1);
insert into b values (1, 2);
insert into a select x from b on duplicate key update a.x = b.y;

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

Succeeded update.

3. What did you see instead (Required)

tidb> insert into a select x from b on duplicate key update a.x = b.y;
ERROR 1105 (HY000): EncodeRow error: data and columnID count not match 2 vs 1

4. What is your TiDB version? (Required)

Release Version: v6.1.0-alpha
Edition: Community
Git Commit Hash: af6f4ea3c98f52d8c56646b226d720fc50a3314c
Git Branch: heads/refs/tags/v6.1.0-alpha
UTC Build Time: 2022-03-26 18:03:22
GoVersion: go1.18
Race Enabled: false
TiKV Min Version: v3.0.0-60965b006877ca7234adaced7890d7b029ed1306
Check Table Before Drop: false