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go pipe #69

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Aug 4, 2020
Merged

go pipe #69

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3 changes: 1 addition & 2 deletions ...age/4.statement-syntax/2.data-query-and-manipulation-statements/fetch-syntax.md
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Original file line number Diff line number Diff line change
Expand Up @@ -7,8 +7,7 @@
`FETCH PROP ON` 可返回节点的一系列属性，目前已支持一条语句返回多个节点属性。`FETCH` 获取点属性支持与[管道](../../3.language-structure/pipe-syntax.md) 及[用户自定义变量](../../3.language-structure/user-defined-variables.md)一起使用。

```ngql
FETCH PROP ON <tag_name_list> <vertex_id_list> [YIELD [DISTINCT] <return_list>]
FETCH PROP ON * <vertex_id_list>
FETCH PROP ON {<tag_name_list> | *} <vertex_id_list> [YIELD [DISTINCT] <return_list>]
```

`*` 返回指定 ID 点的所有属性。
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17 changes: 17 additions & 0 deletions ...nguage/4.statement-syntax/2.data-query-and-manipulation-statements/go-syntax.md
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Expand Up @@ -260,3 +260,20 @@ nebula> GO 4 TO 5 STEPS FROM 101 OVER follow BIDIRECT YIELD DISTINCT follow._dst
```

双向遍历从点 101 出发沿 follow 边 4 至 5 跳的点。

## 支持 INT 类型传入查询

```ngql
... | GO FROM $-.id OVER <edge_type_list>
```

例如：

```ngql
nebula> YIELD 100 AS id | GO FROM $-.id OVER serve;
==============
| serve._dst |
==============
| 200 |
--------------
```