Operation

Operation object

class graphscope.framework.operation.Operation(session_id, op_type, inputs=None, output_types=None, config=None, large_attr=None, query_args=None)[source]

Represents a dag op that performs computation on tensors.

For example g2 = g1.add_vertices("path") create an Operation of type “ADD_LABELS” that takes operation of g1 as input, and produces a graph dag node g2 which contains this operation as output.

After the dag has been launched in a session, an Operation can be executed by :code`op.eval()` or passing it to session.run.

`Operation.__init__`(session_id, op_type[, …])	Creates an `graphscope.framework.operation.Operation`.
`Operation.as_op_def`()
`Operation.key`	Unique key for each `op_def_pb2.OpDef`
`Operation.signature`	Signature of its parents’ signatures and its own parameters.
`Operation.eval`([leaf])	Evaluate by `sess.run`.
`Operation.evaluated`

BuiltIn operations

`create_app`(app_assets)	Wrapper for create an CREATE_APP Operation with configuration.
`create_graph`(session_id, graph_type[, inputs])	Create an CREATE_GRAPH op, add op to default dag.
`dynamic_to_arrow`(graph)	Create an op to transform a `nx.Graph` object to `Graph`.
`arrow_to_dynamic`(graph)	Transform a `Graph` object to `nx.Graph`.
`modify_edges`(graph, modify_type, edges[, …])	Create modify edges operation for nx graph.
`modify_vertices`(graph, modify_type, vertices)	Create modify vertices operation for nx graph.
`run_app`(app, args, *kwargs)	Run bound app on the graph.
`report_graph`(graph, report_type[, node, …])	Create report operation for nx graph.
`project_arrow_property_graph`(graph, …)
`unload_app`(app)	Unload a loaded app.
`unload_graph`(graph)	Unload a graph.
`context_to_numpy`(context[, selector, …])	Retrieve results as a numpy ndarray.
`context_to_dataframe`(context[, selector, …])	Retrieve results as a pandas DataFrame.
`to_vineyard_tensor`(context[, selector, …])	Retrieve results as vineyard tensor.
`add_column`(graph, results, selector)	Add a column to graph, produce a new graph.
`graph_to_numpy`(graph[, selector, vertex_range])	Retrieve graph raw data as a numpy ndarray.
`graph_to_dataframe`(graph[, selector, …])	Retrieve graph raw data as a pandas DataFrame.