memgraph/tests/e2e/magic_functions/functions/py_read.py
Josip Matak 4abaf27765
Memgraph magic functions (#345)
* Extend mgp_module with include adding functions

* Add return type to the function API

* Change Cypher grammar

* Add Python support for functions

* Implement error handling

* E2e tests for functions

* Write cpp e2e functions

* Create mg.functions() procedure

* Implement case insensitivity for user-defined Magic Functions.
2022-04-21 15:45:31 +02:00

33 lines
952 B
Python

# Copyright 2022 Memgraph Ltd.
#
# Use of this software is governed by the Business Source License
# included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
# License, and you may not use this file except in compliance with the Business Source License.
#
# As of the Change Date specified in that file, in accordance with
# the Business Source License, use of this software will be governed
# by the Apache License, Version 2.0, included in the file
# licenses/APL.txt.
import mgp
@mgp.function
def return_function_argument(ctx: mgp.FuncCtx, argument: mgp.Any):
return argument
@mgp.function
def return_optional_argument(ctx: mgp.FuncCtx, opt_argument: mgp.Number = 42):
return opt_argument
@mgp.function
def add_two_numbers(ctx: mgp.FuncCtx, first: mgp.Number, second: mgp.Number):
return first + second
@mgp.function
def return_null(ctx: mgp.FuncCtx):
return None