Hi Sukaant,
You can check that b does not already have an existing relation of this
type in any direction to any other node.
e.g.
MATCH (b:Person { name:'b' })
MATCH (c:Person { name:'c' })
WHERE NOT ((b)-[:Husband]-())
MERGE (c)-[:Husband]->(b) //no relation is created since b already has a
Husband relation from a
Regards
Luanne
On Wed, Aug 6, 2014 at 11:35 AM, Sukaant Chaudhary <
sukaant.chaudh...@gmail.com> wrote:
> Hi,
> I want to make unique relation between a->b.
> Now we cannot make relation between c->b.
>
> For eg: a is the husband of b, now c cannot be the husband of b.
>
> Please suggest.
>
> -Sukaant Chaudhary
> <http://in.linkedin.com/pub/sukaant-chaudhary/33/ba8/479>
>
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