Vladislav Pyatkov created IGNITE-29124:
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Summary: Validate entry versions on primary nodes and return
per-entry results from lockTxEntries
Key: IGNITE-29124
URL: https://issues.apache.org/jira/browse/IGNITE-29124
Project: Ignite
Issue Type: Improvement
Reporter: Vladislav Pyatkov
Update IgniteInternalCache#lockTxEntries and its asynchronous counterpart to
support conditional transactional locking:
* Return Map<CacheEntry<K, V>, Boolean> with an outcome for each entry.
* Send expected versions to primary nodes.
* Validate each version on the primary.
* Return false for lock conflicts or version mismatches.
* Return true for locks already held by the transaction.
* Preserve existing timeout semantics.
h3. Definition of done
* Cover partial success, repeated acquisition, near caches, timeouts, and
batched requests with tests.
* All existing SELECT FOR UPDATE tests pass.
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