SQL-MapReduce Call
SELECT * FROM NPATH ( ON aggregate_clicks PARTITION BY sessionid ORDER BY clicktime USING MODE (nonoverlapping) PATTERN ('REFERRER{2,}') SYMBOLS (referrer IS NOT NULL AS REFERRER) RESULT (FIRST(sessionid OF REFERRER) AS sessionid, FIRST(productname OF REFERRER) AS product) ) as dt ORDER BY dt.sessionid;
Output
sessionid | product |
---|---|
1 | envelopes |
2 | tables |
3 | bookcases |
4 | tables |
5 | Appliances |