[Question] 关于spark读取hugegraph

[impltrait]

Problem Type (问题类型)

None

Before submit

• I had searched in the issues and found no similar issues.

Environment (环境信息)

本地测试

Your Question (问题描述)

hugegraph-spark-connector 文档提到有读写，但实际中没有，我也看来在当前readme中有例子 ，测试是失败的，
源码中没有读的相关代码

我的需求就是：
spark 读取hugegraph 中边的数据（全量数据），然后进行处理

Vertex/Edge example (问题点 / 边数据举例)

Schema [VertexLabel, EdgeLabel, IndexLabel] (元数据结构)

[github-actions]

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