My task is to return the users in the graph database that post chats that
mention other users
My graph database was setup using the following listing of commands:
Loaded from file 1
MERGE (c:TeamChatSession {id: toInt(row[1])})
MERGE (i:ChatItem {id: toInt(row[2])})
MERGE (u)-[:CreateChat{timeStamp: row[3]}]->(c)
MERGE (i)-[:PartOf{timeStamp: row[3]}]->(c)
Loaded from file 2
MERGE (i:ChatItem {id: toInt(row[0])})
MERGE (u:User {id: toInt(row[1])})
MERGE (i)-[:Mentioned{timeStamp: row[2]}]->(u)
Note that not all chat items mention users, so the path terminates for a
majority of the database.
I have gotten this partial command to run effectively:
match (a:ChatItem)-[:PartOf*]->(s)<-[:CreateChat*]-(u:User)
The problem come in when I attempt to construct the full path from u1 to u2
match p =
(u1:User)-[:CreateChat]->(c:TeamChatSession)<-[:PartOf]-(i:ChatItem)-[r:Mentioned]->(u2:User)
return p
When I enter this query, the system just hangs.
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