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update #657

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Jun 25, 2021
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4 changes: 2 additions & 2 deletions docs-2.0/1.introduction/2.1.path.md
Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@

本文以下图为例进行简单介绍。

![路径示例](../../images/path1.png)
![路径示例](../images/path1.png)

## walk

Expand All @@ -30,7 +30,7 @@

在trail类型中,还有 `cycle` 和 `circuit` 两种特殊的路径类型,以下图为例对这两种特殊的路径类型进行介绍。

![trail示例](../../images/Circuits1.png)
![trail示例](../images/Circuits1.png)

- cycle

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2 changes: 1 addition & 1 deletion docs-2.0/20.appendix/write-tools.md
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Expand Up @@ -11,5 +11,5 @@

下图给出了几种方式的定位:

![image](../../images/write-choice.png)
![image](../images/write-choice.png)

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Expand Up @@ -23,7 +23,8 @@ prop_value_list:

!!! Note

仅检测VID+Tag的值是否相同,不会检测属性值。
- `IF NOT EXISTS` 仅检测 VID + Tag 的值是否相同,不会检测属性值。
- `IF NOT EXISTS` 会先读取一次数据是否存在,因此对性能会有明显影响。

- `tag_name`:点关联的Tag(点类型)。Tag必须提前创建,详情请参见[CREATE TAG](../10.tag-statements/1.create-tag.md)。

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3 changes: 2 additions & 1 deletion docs-2.0/3.ngql-guide/13.edge-statements/1.insert-edge.md
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Expand Up @@ -22,7 +22,8 @@ INSERT EDGE [IF NOT EXISTS] <edge_type> ( <prop_name_list> ) {VALUES | VALUE}

!!! Note

仅检测边的类型、起始点、目的点和rank,不会检测属性值。
- `IF NOT EXISTS` 仅检测<边的类型、起始点、目的点和rank>是否存在,不会检测属性值是否重合。
- `IF NOT EXISTS` 会先读取一次数据是否存在,因此对性能会有明显影响。

- `<edge_type>`:边关联的Edge type,只能指定一个Edge type。Edge type必须提前创建,详情请参见[CREATE EDGE](../11.edge-type-statements/1.create-edge.md)。

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