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Stop user-cred from counting reverse linked-account edges #165

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Stop user-cred from counting reverse linked-account edges #165

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13 changes: 12 additions & 1 deletion user-cred-v2/UserCredV2App.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -104,7 +104,18 @@ object UserCredV2App extends Logging {
.readMostRecentSnapshotNoOlderThan(AccountExpansionInvestigationsScalaDataset, Days(7))
.withRemoteReadPolicy(ExplicitLocation(ProcAtla))
.toTypedPipe
.map(row => (row.userId, row.linkedUserId))
.flatMap(row => undirectedLinkedPairs(row.userId, row.linkedUserId))
}

// Investigations stores an undirected linked-account pair. Joining only
// (userId, linkedUserId) drops main→alt and keeps alt→main — the PageRank
// boosting direction (mass flows follower→followee / engager→author).
private[user_cred_v2] def undirectedLinkedPairs(
userId: Long,
linkedUserId: Long,
): Seq[(Long, Long)] = {
if (userId == linkedUserId) Seq.empty
else Seq((userId, linkedUserId), (linkedUserId, userId))
}

private[user_cred_v2] def filterLinkedUserEdges(
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