sure
create constraint on (u:User) assert u.email is unique;
merge (u:User {email:"[email protected]"}) ON CREATE SET u.name = "Ray"
On Wed, Jun 24, 2015 at 2:22 PM, Ray <[email protected]> wrote:
> Is there a way to create a unique node.
> To make is possible that there exists 1 and only 1 Node with the label
> "user" and the property email="[email protected]".
>
> And only one incoming relationship with the label: "OwnedBy" of a Node x.
>
>
> and after creation if I try to create the same node/relationship with a
> normal query I get an exception?
>
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