Invalid key error when adding a uk on a table containing duplicate keys #44439
Description
Bug Report
Please answer these questions before submitting your issue. Thanks!
1. Minimal reproduce step (Required)
Add unique index on a table that containing duplicate keys.
2. What did you expect to see? (Required)
Report duplicated entry error.
3. What did you see instead (Required)
ERROR 8221 (HY000): invalid key - "7480000000000000b95f698000000000000001038000000000000001"