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https://issues.apache.org/jira/browse/ATLAS-1016?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15560951#comment-15560951
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zhangqiang2 commented on ATLAS-1016:
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as we know atlas support struct so developer can create entity with struct
or extend entity to meet you need
> Support for composite unique attributes for a type.
> ---------------------------------------------------
>
> Key: ATLAS-1016
> URL: https://issues.apache.org/jira/browse/ATLAS-1016
> Project: Atlas
> Issue Type: Improvement
> Affects Versions: 0.8-incubating
> Reporter: Satish Duggana
> Fix For: 0.8-incubating
>
>
> Currently atlas types support attributes containing unique attributes.
> Enhance this to support composite unique attributes.
> For example,
> DeviceInfo has attributes like name, model, version and timestamp. Any of
> these attributes can be configured unique constraint. There should be a way
> to set composite unique constraint on both model and version fields so that
> it should not allow storing entities having same set of values for both model
> and version.
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