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Posted to dev@hugegraph.apache.org by "wsd395449953 (via GitHub)" <gi...@apache.org> on 2023/02/08 03:35:26 UTC
[GitHub] [incubator-hugegraph] wsd395449953 opened a new issue, #2104: 如果属性的类型是list,如何去遍历这个集合是否包含某个值
wsd395449953 opened a new issue, #2104:
URL: https://github.com/apache/incubator-hugegraph/issues/2104
### Problem Type (问题类型)
gremlin (结果不合预期)
### 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: v0.11.x
- Backend: RocksDB x nodes, HDD or SSD
- OS: xx CPUs, xx G RAM, Centos 7.x
- Data Size: xx vertices, xx edges <!-- (like 1000W 点, 9000W 边) -->
### Your Question (问题描述)
想到一个语句就是
g.V().hasLabel("A").filter{it.get().property("textList").value().containsAll(["dfg"])}
但是这种写法效率有点低，而且对集合中无法做到模糊搜索，
比如集合中有["abc","cdf","xyz"],我搜索”c“,则返回["abc","cdf"]
### Vertex/Edge example (问题点 / 边数据举例)
```javascript
想到一个语句就是
g.V().hasLabel("A").filter{it.get().property("textList").value().containsAll(["dfg"])}
但是这种写法效率有点低，而且对集合中无法做到模糊搜索，
比如集合中有["abc","cdf","xyz"],我搜索”c“,则返回["abc","cdf"]
```
### Schema [VertexLabel, EdgeLabel, IndexLabel] (元数据结构)
```javascript
无
```
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[GitHub] [incubator-hugegraph] github-actions[bot] closed issue #2104: 如果属性的类型是list,如何去遍历这个集合是否包含某个值
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] closed issue #2104: 如果属性的类型是list,如何去遍历这个集合是否包含某个值
URL: https://github.com/apache/incubator-hugegraph/issues/2104
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[GitHub] [incubator-hugegraph] javeme commented on issue #2104: 如果属性的类型是list,如何去遍历这个集合是否包含某个值
Posted by "javeme (via GitHub)" <gi...@apache.org>.
javeme commented on issue #2104:
URL: https://github.com/apache/incubator-hugegraph/issues/2104#issuecomment-1426935638
对于单个item的过滤，可以考虑使用`unfold、filter with contains、fold`三个步骤，详细用法参考文档：
https://tinkerpop.apache.org/docs/current/reference/#fold-step、https://tinkerpop.apache.org/docs/current/reference/#unfold-step。
如果不需要返回所有属性，则可以使用step `project(id, property1.item1)`的形式，详细用法参考文档：https://tinkerpop.apache.org/docs/current/reference/#project-step。
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[GitHub] [incubator-hugegraph] github-actions[bot] commented on issue #2104: 如果属性的类型是list,如何去遍历这个集合是否包含某个值
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on issue #2104:
URL: https://github.com/apache/incubator-hugegraph/issues/2104#issuecomment-1447085761
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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