struct Redis::Graph::Relationship

• Redis::Graph::Relationship
• Struct
• Value
• Object

Overview

Represents a relationship in your graph

result = graph.read_query(<<-CYPHER)
  MATCH (:User)-[membership:MEMBER_OF]->(:Team)
  RETURN membership
CYPHER

result.each do |(membership)|
  membership = membership.as(Redis::Graph::Relationship)
  # ...
end

Defined in:

Constructors

• .new(id : Int64, type : String, src_node : Int64, dest_node : Int64, properties : Hash(String, Redis::Graph::Value))

Class Method Summary

• .matches_redis_graph_type?(type : Redis::Graph::ValueType) : Bool

Instance Method Summary

• #dest_node : Int64

  The node that this relationship points to, for example with (person)-[membership]->(team), it will be the node id of team.

• #id : Int64

  The identifier of the relationship.

• #properties : Hash(String, Value)

  The hash of properties for this relationship.

• #src_node : Int64

  The node that this relationship originates from, for example with (person)-[membership]->(team), it will be the node id of person.

• #type : String

  The type of relationship, for example with [:MEMBER_OF], the #type will be "MEMBER_OF".

Constructor Detail

Class Method Detail

Instance Method Detail

result = graph.write_query <<-CYPHER, now: Time.utc.to_unix_ms
  CREATE (person)-[membership{since: $now}]->(team)
  RETURN membership
CYPHER
result.first.properties # => {"since" => 2022-05-15T05:48:23 UTC}