Usage of single cardinality AWS Neptune
hey, i've been looking around and haven't been able to find much good documentation on this so figured i'd ask here. i'm trying to doing upsertion via the efficient merge commands for gremlin in AWS Neptune. i've got a couple properties on the edges but it seem that the single cardinality isn't supported with mergeE. specificially, something like options with onCreate and onMatch:
it's just weird cause it's been working for mergeV
is there a different syntax or a different way to do it for mergeE?
it's just weird cause it's been working for mergeV
is there a different syntax or a different way to do it for mergeE?
Solution
Edge properties can only be single cardinality. So there's no need to specify cardinality when specifying properties for mergeE. https://tinkerpop.apache.org/docs/3.6.1-SNAPSHOT/reference/#vertex-properties ...
Moreover, while an Edge can only have one property of key "name" (for example), a Vertex can have multiple "name" properties.
Apache TinkerPop is an open source graph computing framework and the home of the Gremlin graph query language.
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