(lp:LabelParticipant {uuid: event.LABEL_PARTICIPANT_UUID}) MERGE (gp)-[deletedRepresents:DELETED_REPRESENTS]->(lp) SET deletedRepresents.deletedAt = datetime(), deletedRepresents.deletedBy = 'database/IN-13579_update_meghan_trainor_label_participants:2' DELETE oldRepresents WITH lp MATCH (gp2:GlobalParticipant {id: 'f9f20a30-10d0-4a47-a77f-e177d4cf2e54'}) OPTIONAL MATCH (gp2)-[oldDeletedRepresents:DELETED_REPRESENTS]->(lp) DELETE oldDeletedRepresents WITH gp2, lp MERGE (gp2)-[newRepresents:REPRESENTS]->(lp) SET newRepresents.createdAt = datetime(), newRepresents.createdBy = 'database/IN-13579_update_meghan_trainor_label_participants:2' ]]>