Github user jingyimei commented on a diff in the pull request:
https://github.com/apache/madlib/pull/244#discussion_r177915601
--- Diff: src/ports/postgres/modules/graph/pagerank.py_in ---
@@ -647,6 +778,26 @@ SELECT * FROM pagerank_out ORDER BY user_id, pagerank
DESC;
-- View the summary table to find the number of iterations required for
-- convergence for each group.
SELECT * FROM pagerank_out_summary;
+
+-- Compute the Personalized PageRank:
+DROP TABLE IF EXISTS pagerank_out, pagerank_out_summary;
+SELECT madlib.pagerank(
+ 'vertex', -- Vertex table
+ 'id', -- Vertix id column
+ 'edge', -- Edge table
+ 'src=src, dest=dest', -- Comma delimted string of
edge arguments
+ 'pagerank_out', -- Output table of PageRank
+ NULL, -- Default damping factor
(0.85)
+ NULL, -- Default max iters (100)
+ NULL, -- Default Threshold
+ NULL, -- No Grouping
--- End diff --
move those NULLs one space left
---