JingsongLi commented on PR #8837:
URL: https://github.com/apache/paimon/pull/8837#issuecomment-5082486869
- For fast paths, only fill in the primary key (PK); set all non-PK
fields to `NULL`; however, the validation also allows partial updates and
aggregates.
- Non-null, non-PK fields will cause an error when the merge function
initializes the DELETE row.
- `partial-update.remove-record-on-sequence-group` also requires values
for the sequence-group field; leaving all fields blank will not preserve the
original delete semantics.
- Additionally, the literal extraction does not exclude `NULL` values,
posing a risk of generating delete rows with empty primary keys.
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