AllPairsShortestPath Example: Weighted, Bounded Graph with Sources - Teradata Vantage

Machine Learning Engine Analytic Function Reference

Product
Teradata Vantage
Release Number
8.10
1.1
Published
October 2019
Language
English (United States)
Last Update
2019-12-31
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dita:id
B700-4003
lifecycle
previous
Product Category
Teradata Vantageā„¢

SQL Call

SELECT * FROM AllPairsShortestPath (
  ON callers AS Vertices PARTITION BY callerid
  ON calls AS Edges PARTITION BY callerfrom
  ON (SELECT callerid FROM callers
    WHERE callerid IN (1, 2)) AS Sources PARTITION BY callerid
  USING
  TargetKey ('callerto')
  MaxDistance (8)
  EdgeWeight ('calls')
) AS dt ORDER BY source, target;

Output

 source target distance 
 ------ ------ -------- 
      1      3      2.0
      1      4      5.0
      1      6      3.0
      2      4      7.0

Download a zip file of all examples and a SQL script file that creates their input tables from the attachment in the left sidebar.