SHOW QUERY，这里有社区用户常用的 nGQL 查询语句

文章 NebulaGraph
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9
  • 语句 1
    • 场景：如何合并两个子图
    • 具体语句：
    get subgraph 5 step from pod in have,belong yield vertices as nodes, edges as relationshiops
union all
get subgraph 5 step from pod out have,belong yield vertices as nodes, edges as relationshiops
  • 语句 2
    • 场景：自定义排序规则
    • 具体语句：
    MATCH (a)-[e1]->(b)-[e2]->(c)
WITH e1.cost+e2.cost as cost, c ORDER BY cost
RETURN c
  • 语句 3
    • 场景：一跳，返回这个点的所有连接到的点，然后这个连接到的点， 进行一个分组限制每种类型只返回10个，然后每种类型的10个点进行二跳
    • 具体语句：
    MATCH (a)-[b]->(c) where id(a)="*****"
WITH labels(c) AS ctype, collect(distinct c)[0..10] AS c_with_same_type
UNWIND c_with_same_type AS cc
OPTIONAL MATCH (cc)-[d]->(e) 
RETURN cc, d, e
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