提问参考模版：
- nebula 版本：v3.4.1
- 部署方式：分布式
- 安装方式： RPM
- 是否上生产环境：Y
- 硬件信息
- 磁盘（ 推荐使用 SSD）
- CPU、内存信息
- 问题的具体描述
- 相关的 meta / storage / graph info 日志信息（尽量使用文本形式方便
(root@nebula) [Tender]> MATCH (a)-[e:Win]->(b) WHERE id(a)=="c89b6d71c0317215b20ab84547ac282e" AND id(b)=="49c823aeeb26abc6cda1fe419d753172" RETURN e.cnt as cnt, id(b) as id, b.Company.name as name
+-----+----+------+
| cnt | id | name |
+-----+----+------+
+-----+----+------+
Empty set (time spent 28.12ms/52.653371ms)
Wed, 02 Aug 2023 13:37:35 CST
(root@nebula) [Tender]> fetch prop on Win "c89b6d71c0317215b20ab84547ac282e"->"49c823aeeb26abc6cda1fe419d753172" yield properties(edge)
+-----------------------------------+
| properties(EDGE) |
+-----------------------------------+
| {cnt: 4, create_time: 1690947993} |
+-----------------------------------+
Got 1 rows (time spent 563µs/25.551647ms)
Wed, 02 Aug 2023 13:38:19 CS
profile:
(root@nebula) [Tender]> profile MATCH (a)-[e:Win]->(b) WHERE id(a)=="c89b6d71c0317215b20ab84547ac282e" AND id(b)=="49c823aeeb26abc6cda1fe419d753172" RETURN e.cnt as cnt, id(b) as id, b.Company.name as name
+-----+----+------+
| cnt | id | name |
+-----+----+------+
+-----+----+------+
Empty set (time spent 30.641ms/55.535261ms)
Execution Plan (optimize time 254 us)
-----+----------------+--------------+-----------------------------------------+-----------------------------------------------------------------------------------------------------------------
| id | name | dependencies | profiling data | operator info |
-----+----------------+--------------+-----------------------------------------+-----------------------------------------------------------------------------------------------------------------
| 11 | Project | 9 | { | outputVar: { |
| | | | "execTime": "16(us)", | "colNames": [ |
| | | | "rows": 0, | "cnt", |
| | | | "totalTime": "19(us)", | "id", |
| | | | "version": 0 | "name" |
| | | | } | ], |
| | | | | "type": "DATASET", |
| | | | | "name": "__Project_8" |
| | | | | } |
| | | | | inputVar: __Filter_9 |
| | | | | columns: [ |
| | | | | "$-.e[0].cnt AS cnt", |
| | | | | "id($-.b) AS id", |
| | | | | "$-.b.Company.name AS name" |
| | | | | ] |
-----+----------------+--------------+-----------------------------------------+-----------------------------------------------------------------------------------------------------------------
| 9 | Filter | 5 | { | outputVar: { |
| | | | "execTime": "2383(us)", | "colNames": [ |
| | | | "rows": 0, | "a", |
| | | | "totalTime": "2386(us)", | "e", |
| | | | "version": 0 | "b" |
| | | | } | ], |
| | | | | "type": "DATASET", |
| | | | | "name": "__Filter_9" |
| | | | | } |
| | | | | inputVar: __AppendVertices_5 |
| | | | | condition: ((id($-.a)=="c89b6d71c0317215b20ab84547ac282e") AND (id($-.b)=="49c823aeeb26abc6cda1fe419d753172")) |
| | | | | isStable: false |
-----+----------------+--------------+-----------------------------------------+-----------------------------------------------------------------------------------------------------------------
| 5 | AppendVertices | 4 | { | outputVar: { |
| | | | "execTime": "10076(us)", | "colNames": [ |
| | | | "resp[0]": { | "a", |
| | | | "exec": "1021(us)", | "e", |
| | | | "host": "10.0.20.168:9779", | "b" |
| | | | "total": "2091(us)" | ], |
| | | | }, | "type": "DATASET", |
| | | | "resp[1]": { | "name": "__AppendVertices_5" |
| | | | "exec": "943(us)", | } |
| | | | "host": "10.0.20.171:9779", | inputVar: __Traverse_4 |
| | | | "total": "1946(us)" | space: 472 |
| | | | }, | dedup: true |
| | | | "resp[2]": { | limit: -1 |
| | | | "exec": "937(us)", | filter: |
| | | | "host": "10.0.20.167:9779", | orderBy: [] |
| | | | "total": "2192(us)" | src: none_direct_dst($-.e) |
| | | | }, | props: [ |
| | | | "resp[3]": { | { |
| | | | "exec": "924(us)", | "props": [ |
| | | | "host": "10.0.20.169:9779", | "name" |
| | | | "total": "2032(us)" | ], |
| | | | }, | "tagId": 474 |
| | | | "resp[4]": { | } |
| | | | "exec": "1035(us)", | ] |
| | | | "host": "10.0.20.170:9779", | exprs: |
| | | | "total": "2172(us)" | vertex_filter: |
| | | | }, | if_track_previous_path: true |
| | | | "resp[5]": { | |
| | | | "exec": "991(us)", | |
| | | | "host": "10.0.20.166:9779", | |
| | | | "total": "2011(us)" | |
| | | | }, | |
| | | | "rows": 3200, | |
| | | | "totalTime": "11434(us)", | |
| | | | "total_rpc": "6059(us)", | |
| | | | "version": 0 | |
| | | | } | |
-----+----------------+--------------+-----------------------------------------+-----------------------------------------------------------------------------------------------------------------
| 4 | Traverse | 2 | { | outputVar: { |
| | | | "execTime": "4225(us)", | "colNames": [ |
| | | | "rows": 3564, | "a", |
| | | | "step[1]": [ | "e" |
| | | | { | ], |
| | | | "exec": "5660(us)", | "type": "DATASET", |
| | | | "host": "10.0.20.166:9779", | "name": "__Traverse_4" |
| | | | "storage_detail": { | } |
| | | | "GetNeighborsNode": "1977(us)", | inputVar: __Dedup_2 |
| | | | "HashJoinNode": "29(us)", | space: 472 |
| | | | "RelNode": "1977(us)", | dedup: true |
| | | | "SingleEdgeNode": "28(us)" | limit: -1 |
| | | | }, | filter: |
| | | | "total": "7042(us)", | orderBy: [] |
| | | | "total_rpc_time": "7096(us)", | src: $-._vid |
| | | | "vertices": 1 | edgeTypes: [] |
| | | | } | edgeDirection: OUT_EDGE |
| | | | ], | vertexProps: |
| | | | "totalTime": "11338(us)", | edgeProps: [ |
| | | | "version": 0 | { |
| | | | } | "props": [ |
| | | | | "_type", |
| | | | | "_rank", |
| | | | | "_dst", |
| | | | | "cnt" |
| | | | | ], |
| | | | | "type": 476 |
| | | | | } |
| | | | | ] |
| | | | | statProps: |
| | | | | exprs: |
| | | | | random: false |
| | | | | steps: 1..1 |
| | | | | vertex filter: |
| | | | | edge filter: |
| | | | | if_track_previous_path: false |
| | | | | first step filter: |
| | | | | tag filter: |
-----+----------------+--------------+-----------------------------------------+-----------------------------------------------------------------------------------------------------------------
| 2 | Dedup | 1 | { | outputVar: { |
| | | | "execTime": "2(us)", | "colNames": [ |
| | | | "rows": 1, | "_vid" |
| | | | "totalTime": "3(us)", | ], |
| | | | "version": 0 | "type": "DATASET", |
| | | | } | "name": "__Dedup_2" |
| | | | | } |
| | | | | inputVar: __VAR_0 |
-----+----------------+--------------+-----------------------------------------+-----------------------------------------------------------------------------------------------------------------
| 1 | PassThrough | 3 | { | outputVar: { |
| | | | "execTime": "2(us)", | "colNames": [ |
| | | | "rows": 0, | "_vid" |
| | | | "totalTime": "3(us)", | ], |
| | | | "version": 0 | "type": "DATASET", |
| | | | } | "name": "__VAR_0" |
| | | | | } |
| | | | | inputVar: |
-----+----------------+--------------+-----------------------------------------+-----------------------------------------------------------------------------------------------------------------
| 3 | Start | | { | outputVar: { |
| | | | "execTime": "0(us)", | "colNames": [], |
| | | | "rows": 0, | "type": "DATASET", |
| | | | "totalTime": "15(us)", | "name": "__Start_3" |
| | | | "version": 0 | } |
| | | | } | |
-----+----------------+--------------+-----------------------------------------+-----------------------------------------------------------------------------------------------------------------
Wed, 02 Aug 2023 13:42:08 CST
看第4步，traverse 有rows:2564 的，step5 AppendVertices 不知道干嘛的，也是有数据的 怎么6 filter 之后就没了