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txn: protect primary locks of pessimistic transactions from being collapsed #5575
What have you changed?
We can't prevent stale
To solve the problem, we can prevent the rollback records of the primary key of pessimistic transactions from being collapsed. To implement this, we set the short value of these rollback records to "protected".
What is the type of the changes?
Bugfix (a change which fixes an issue)
How is the PR tested?
Does this PR affect documentation (docs) or should it be mentioned in the release notes?
Does this PR affect