graphframes (version 0.1.2)

gf_bfs: Breadth-first search (BFS)

Description

Breadth-first search (BFS)

Usage

gf_bfs(x, from_expr, to_expr, max_path_length = 10, edge_filter = NULL,
  ...)

Arguments

x

An object coercable to a GraphFrame (typically, a gf_graphframe).

from_expr

Spark SQL expression specifying valid starting vertices for the BFS.

to_expr

Spark SQL expression specifying valid target vertices for the BFS.

max_path_length

Limit on the length of paths.

edge_filter

Spark SQL expression specifying edges which may be used in the search.

...

Optional arguments, currently not used.

Examples

# NOT RUN {
g <- gf_friends(sc)
gf_bfs(g, from_expr = "name = 'Esther'", to_expr = "age < 32")
# }

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