Convert a Kuzu Query Result to an igraph Object

Converts a Kuzu query result into an igraph graph object.

Usage

as_igraph(query_result)

Arguments

query_result

A kuzu_query_result object from kuzu_execute() that contains a graph.

Value

An igraph object.

Details

This function takes a kuzu_query_result object, converts it to a networkx graph in Python, extracts the nodes and edges into R data frames, and then constructs an igraph object. It is the final step in the kuzu_execute -> as_igraph workflow.

Examples

# \donttest{
if (requireNamespace("igraph", quietly = TRUE)) {
  conn <- kuzu_connection(":memory:")
  kuzu_execute(conn, "CREATE NODE TABLE Person(name STRING, 
  PRIMARY KEY (name))")
  kuzu_execute(conn, "CREATE REL TABLE Knows(FROM Person TO Person)")
  kuzu_execute(conn, "CREATE (p:Person {name: 'Alice'}), 
  (q:Person {name: 'Bob'})")
  kuzu_execute(conn, "MATCH (a:Person), (b:Person) WHERE
                                                    a.name='Alice' AND 
                                                    b.name='Bob'
                                                    CREATE (a)-[:Knows]->(b)"
)

  res <- kuzu_execute(conn, "MATCH (p:Person)-[k:Knows]->(q:Person) 
  RETURN p, k, q")
  g <- as_igraph(res)
  print(g)
  rm(conn, res, g)
}
#> Error in py_run_string_impl(code, local, convert): ModuleNotFoundError: No module named 'kuzu'
#> Run `reticulate::py_last_error()` for details.
# }