如何删除某个边的类型所有数据和某个tag类型下所有数据

问答 问题
,
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  • 如题
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lookup on A yield id(vertex) as vid | delete vertex $-.vid
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3

请问边的删除有例子吗？

4 
(root@nebula) [nba]> create edge E()
Execution succeeded (time spent 1459/1696 us)

(root@nebula) [nba]> insert edge E() values "1"->"2":()
Execution succeeded (time spent 1499/1706 us)

(root@nebula) [nba]> create edge index e_index on E()
Execution succeeded (time spent 1351/1592 us)

(root@nebula) [nba]> rebuild edge index e_index
+------------+
| New Job Id |
+------------+
| 17         |
+------------+
Got 1 rows (time spent 1498/1769 us)

(root@nebula) [nba]> lookup on E yield E._src as src,E._dst as dst
+-----+-----+
| src | dst |
+-----+-----+
| "1" | "2" |
+-----+-----+
Got 1 rows (time spent 5087/5368 us)

(root@nebula) [nba]> lookup on E yield E._src as src,E._dst as dst|delete edge E $-.src->$-.dst
Execution succeeded (time spent 6338/6590 us)
5

删除edge的时候最好还是需要指定下rank

lookup on E yield E._src as src,E._dst as dst, rank(edge) as rank | delete edge E $-.src->$-.dst@$-.rank