Vladislav Pyatkov created IGNITE-28610:
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             Summary: Savepoint Key-Value API for pessimistic transactions 
                 Key: IGNITE-28610
                 URL: https://issues.apache.org/jira/browse/IGNITE-28610
             Project: Ignite
          Issue Type: Improvement
            Reporter: Vladislav Pyatkov
            Assignee: Vladislav Pyatkov


h3. Motivation
The transaction savepoint is a standard for transactions and SQL. The API 
proposal is described in IGNITE-4188.
So far as a pessimistic transaction is most commonly used for Ignite, I am sure 
this functionality deserves a dedicated ticket. Moreover, this approach of 
dividing would be easy for testing and review.

h3. Definition of done
KV transaction API is extended by methods for the endpoint.
The working of savepoints is limited by a pessimistic transaction.



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