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https://issues.apache.org/jira/browse/IGNITE-3191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15355072#comment-15355072
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Denis Magda commented on IGNITE-3191:
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[~vozerov], the ordered structure makes sense because otherwise the user need
to preserve order on how the fields are set during an object construction. If
the order varies from time to time it will lead to the situation when a new
scheme is created for every unique combination.
> BinaryObjectBuilder: binary schema id depends on the order of fields addition
> -----------------------------------------------------------------------------
>
> Key: IGNITE-3191
> URL: https://issues.apache.org/jira/browse/IGNITE-3191
> Project: Ignite
> Issue Type: Bug
> Reporter: Denis Magda
> Fix For: 1.7
>
>
> Presently if an object is created using BinaryObjectBuilder then several
> BinarySchemes can be generated for the same set of fields in case when fields
> are added in a different order.
> This happens because {{LinkedHashMap}} is used underneath. However we should
> rely on order-free structure like {{TreeMap}}.
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