`path` - '/', '/some/other/path/', '/test/<int:index>/'
    `node_id`
    `weight` - How this path is selected before other similar paths
    `method` - 'GET' is default.

def insert_route(**kw):
    """
    `path` - '/', '/some/other/path/', '/test/<int:index>/'
    `node_id`
    `weight` - How this path is selected before other similar paths
    `method` - 'GET' is default.
    """
    binding = {
            'path': None,
            'node_id': None,
            'weight': None,
            'method': "GET"
            }
    binding.update(kw)
    with current_app.app_context():
        db.execute(text(fetch_query_string('insert_route.sql')), **binding)