[Bug] should close ExtendableIterator when cassandra exception #1983
Description
Bug Type (问题类型)
logic (逻辑设计问题)
Before submit
Environment (环境信息)
- Server Version: v0.11.x
- Backend: RocksDB x nodes, HDD or SSD
- OS: xx CPUs, xx G RAM, Centos 7.x
- Data Size: xx vertices, xx edges
Expected & Actual behavior (期望与实际表现)
ExtendableIterator<R> rs should be closed when an exception is encountered:
https://github.com/apache/incubator-hugegraph/blob/b699c5cd621ac91e53c08320c17902f401d3a391/hugegraph-cassandra/src/main/java/com/baidu/hugegraph/backend/store/cassandra/CassandraTable.java#L156
Vertex/Edge example (问题点 / 边数据举例)
No response
Schema [VertexLabel, EdgeLabel, IndexLabel] (元数据结构)
No response