只是试图验证你的情况。不幸的是,如果没有在边缘声明约束,一切都按预期工作。这是我的实验日志(主动式控制台)
2.6.3 :001 > V.create_class :test
=> Test
2.6.3 :002 > E.create_class :test_edge
=> TEST_EDGE
2.6.3 :003 > t = Test.create name: :test
16.08.(03:46:15) INFO->CREATE VERTEX test set name = ':test:'
2.6.3 :004 > t1 = Test.create name: :test2
16.08.(03:46:28) INFO->CREATE VERTEX test set name = ':test2:'
2.6.3 :005 > t.assign vertex: t1, via: TEST_EDGE, attributes: { edge_count: 'first' }
16.08.(03:46:42) INFO->CREATE EDGE test_edge from #29:0 to #30:0 content {"edge_count":"first"}
2.6.3 :006 > t.assign vertex: t1, via: TEST_EDGE, attributes: { edge_count: 'second' }
16.08.(03:46:48) INFO->CREATE EDGE test_edge from #29:0 to #30:0 content {"edge_count":"second"}
2.6.3 :007 > t.reload!
2.6.3 :008 > t.out.to_human
=> ["<TEST_EDGE[#35:0] :.: 29:0->{ edge_count: first }->30:0>",
"<TEST_EDGE[#36:0] :.: 29:0->{ edge_count: second }->30:0>"]
在顶点之间提供两条边。