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Posted to dev@hugegraph.apache.org by GitBox <gi...@apache.org> on 2022/10/26 04:55:47 UTC
[GitHub] [incubator-hugegraph] Rudy0530 opened a new issue, #1991: [Question] 多图配置是否支持多图见数据的关联查询
Rudy0530 opened a new issue, #1991:
URL: https://github.com/apache/incubator-hugegraph/issues/1991
### Problem Type (问题类型)
struct / logic (架构 / 逻辑设计问题)
### Before submit
- [X] 我已经确认现有的 [Issues](https://github.com/hugegraph/hugegraph/issues) 与 [FAQ](https://hugegraph.github.io/hugegraph-doc/guides/faq.html) 中没有相同 / 重复问题
### Environment (环境信息)
- Server Version: v0.12.x
- Backend: 多存储介质。当前使用mysql 5.7 以及 postgres 9.3 进行多图功能测试。
### Your Question (问题描述)
hugegraph系统可以存在多个图，且各个图的后端可以不一样。比如图 hugegraph 和 hugegraph1，其中 hugegraph 以 cassandra 作为后端，hugegraph1 以 rocksdb作为后端。
那么**各个图的数据可以进行关联查询吗**？
我看了下hugegraph官方手册中对于api的介绍，包括restful api、java client，所有的查询都需要指定特定的数据库。
我的需求是：
1. 冷数据存储在一个图中（比如clickhouse），该图主要用于大量数据存储以及快速数据查询，该图基于的数据库对于更新、删除不友好。
2. 用户在冷数据上添加的标记信息存储在另一个图中（比如postgresql）。由于用户自定义数据是少量数据，且会进行变更，因此将此类数据存储在第二个数据库中。
### Vertex/Edge example (问题点 / 边数据举例)
_No response_
### Schema [VertexLabel, EdgeLabel, IndexLabel] (元数据结构)
_No response_
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[GitHub] [incubator-hugegraph] Rudy0530 commented on issue #1991: [Question] 多图配置功能是否支持多图间数据的关联查询
Posted by GitBox <gi...@apache.org>.
Rudy0530 commented on issue #1991:
URL: https://github.com/apache/incubator-hugegraph/issues/1991#issuecomment-1291632958
好的，感谢回复
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[GitHub] [incubator-hugegraph] github-actions[bot] commented on issue #1991: [Question] 多图配置功能是否支持多图间数据的关联查询
Posted by GitBox <gi...@apache.org>.
github-actions[bot] commented on issue #1991:
URL: https://github.com/apache/incubator-hugegraph/issues/1991#issuecomment-1310890624
Due to the lack of activity, the current issue is marked as stale and will be closed after 20 days, any update will remove the stale label
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[GitHub] [incubator-hugegraph] github-actions[bot] closed issue #1991: [Question] 多图配置功能是否支持多图间数据的关联查询
Posted by GitBox <gi...@apache.org>.
github-actions[bot] closed issue #1991: [Question] 多图配置功能是否支持多图间数据的关联查询
URL: https://github.com/apache/incubator-hugegraph/issues/1991
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[GitHub] [incubator-hugegraph] imbajin commented on issue #1991: [Question] 多图配置功能是否支持多图间数据的关联查询
Posted by GitBox <gi...@apache.org>.
imbajin commented on issue #1991:
URL: https://github.com/apache/incubator-hugegraph/issues/1991#issuecomment-1291622623
> 那么各个图的数据可以进行关联查询吗？
原生是没有提供跨多个图直接交互的, 但这层你可以在业务层(server上一层)做, 而且你这有很强的业务相关性/自定义性了
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