NebulaGraph 讨论群 · Venus-2023-W10 #364
Replies: 572 comments
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那么就删除几个点 |
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这个时候有什么高效的保存修改后的图信息吗 |
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如果是通过前端进行操作，前端会把这整张图一下存到后台 |
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删除是持久化的 所有变更都是持久化的 |
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「程训焘： 感谢大佬，看来可能只有删除图再重建了 |
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蛤？ |
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「只打鱼不晒网： 通过spark 提交导入任务 找不到数仓的地址？ 但是config 已经配置了」 发一下你的config配置 |
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有人做过 把数据从hive 导入到图库中么 |
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数据库中的数据都是落盘的 |
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通过spark 提交导入任务 找不到数仓的地址？ 但是config 已经配置了 |
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少几个点就删几个点啊 为啥要删图重建 |
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点可能会变，每个点的内容也可能会变，感觉可能删了重建图会简单点吧 |
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结果就是这样的，就是我能通过查询的输入知道我的输出是什么样子，以及该怎么解析。而不是我先知道了结果集长什么样子，再去解析 |
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现在有这样一个问题，在写代码的时候，需要对每个语句的结果有个预期模板才能去写数据解析的逻辑，一个简单的例子是比如查询索引，需要先跑一边响应的语句才能知道响应结果的格式然后再去解析，不知道大佬们这种情况怎么解决的 |
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估计这也是neo4j做GraphQL支持的原因 |
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好像也没找到 |
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「程训焘： 感谢大佬，看来可能只有删除图再重建了 |
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有没有语句能查询当前图有多少个节点的？ |
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就是为了拿到你Hive的元数据 |
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那么就删除几个点 |
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所有数据几个g |
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改成你自己的hive就行了 |
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「程训焘：这种玩法扩展性很差，数据量大了就不行了，除非你不考虑扩展性」 感谢大佬，请问大佬在图库的使用方法上有什么推荐吗？ |
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「程训焘：这种玩法扩展性很差，数据量大了就不行了，除非你不考虑扩展性」 感谢大佬，请问大佬有没有一些推荐的nebula使用的案例？这种架构可能确实有点粗糙，但是暂时也不知该咋改进了 |
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MATCH (v) RETURN count(v); |
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所以说大佬，最好还是按需更新图吗？缺点就删点，边有调整就调整边，点内容有更新就更新点 |
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数据库中的数据都是落盘的 |
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应该是个子图吧，总不至于直接拎一整个库出来改吧。 |
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「ZGT：点可能会变，每个点的内容也可能会变，感觉可能删了重建图会简单点吧」 不会更简单 一定会更麻烦 |
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感谢两位大佬 |
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Archive of WeChat Group: NebulaGraph 讨论群 · Venus-2023-W10
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