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https://issues.apache.org/jira/browse/ATLAS-1016?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15562396#comment-15562396
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Nigel Jones commented on ATLAS-1016:
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I'm not a titan expert, but an index can include multiple properties. An index
can be unique. (not checked tinkerpop abstraction). I assume therefore that the
underlying graph can do this... though I think in attribute it's single
property only?
> 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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