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Posted to dev@ignite.apache.org by "Andrew Mashenkov (JIRA)" <ji...@apache.org> on 2019/02/13 11:10:00 UTC

[jira] [Created] (IGNITE-11311) MVCC: SQL full table scan query can return duplicates.

Andrew Mashenkov created IGNITE-11311:
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             Summary: MVCC: SQL full table scan query can return duplicates.
                 Key: IGNITE-11311
                 URL: https://issues.apache.org/jira/browse/IGNITE-11311
             Project: Ignite
          Issue Type: Bug
          Components: mvcc, sql
            Reporter: Andrew Mashenkov


SQL query like "select * from table" can return duplicate rows.

Possible reasons can be
 *  due to SQL query iterates over data pages directly and can see inconsistent state (IGNITE-10561) 
 * Same as IGNITE-10767, query see stale pages.
 * Smth is wrong with mvcc versions visibility.



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