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https://issues.apache.org/jira/browse/IGNITE-19756?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Igor Sapego updated IGNITE-19756:
---------------------------------
    Priority: Critical  (was: Blocker)

> Thin 3.0: Colocation column order is not preserved
> --------------------------------------------------
>
>                 Key: IGNITE-19756
>                 URL: https://issues.apache.org/jira/browse/IGNITE-19756
>             Project: Ignite
>          Issue Type: Bug
>          Components: thin client
>    Affects Versions: 3.0.0-beta1
>            Reporter: Pavel Tupitsyn
>            Assignee: Pavel Tupitsyn
>            Priority: Critical
>              Labels: ignite-3
>             Fix For: 3.0.0-beta2
>
>
> [ClientTableCommon#writeSchema|https://github.com/apache/ignite-3/blob/317aca963ed9c87e14dd6eebd3284408fb550c8c/modules/client-handler/src/main/java/org/apache/ignite/client/handler/requests/table/ClientTableCommon.java#L75]
>  does not preserve the order of colocation columns. It assumes that key 
> column order is the same as colocation column order, which is not always true.
> * Fix *writeSchema* somehow to specify the order of colocation columns (maybe 
> send their indices as a separate array)
> * Fix clients (.NET, Java, C++) accordingly



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