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From "Vladimir Ozerov (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (IGNITE-9265) MVCC TX: Two rows with the same key in one MERGE statement produce an exception
Date Mon, 11 Mar 2019 06:34:01 GMT

     [ https://issues.apache.org/jira/browse/IGNITE-9265?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vladimir Ozerov updated IGNITE-9265:
------------------------------------
    Labels: transactions  (was: mvcc_stabilization_stage_1 transactions)

> MVCC TX: Two rows with the same key in one MERGE statement produce an exception
> -------------------------------------------------------------------------------
>
>                 Key: IGNITE-9265
>                 URL: https://issues.apache.org/jira/browse/IGNITE-9265
>             Project: Ignite
>          Issue Type: Bug
>          Components: mvcc
>            Reporter: Igor Seliverstov
>            Priority: Major
>              Labels: transactions
>             Fix For: 2.8
>
>
> In case the operation like {{MERGE INTO INTEGER (_key, _val) KEY(_key) VALUES (1,1),(1,2)}}
is called an exception is occurred.
> Correct behavior: each next update on the same key overwrites pervious one 



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