1.1 - 8.10 - AllPairsShortestPath Example: Weighted, Unbounded Graph - Teradata Vantage

Teradata Vantage™ - Machine Learning Engine Analytic Function Reference

Product
Teradata Vantage
Release Number
1.1
8.10
Release Date
October 2019
Content Type
Programming Reference
Publication ID
B700-4003-079K
Language
English (United States)

SQL Call

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

Output

 source target distance 
 ------ ------ -------- 
      1      2     10.0
      1      3      2.0
      1      4      5.0
      1      6      3.0
      2      4      7.0
      2      6     11.0
      3      6      1.0
      4      6      4.0
      5      6     10.0

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