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Remove the upper limitation of path length #1541

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Mar 16, 2022
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Remove the upper limitation of path length #1541

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6 changes: 3 additions & 3 deletions docs-2.0/3.ngql-guide/7.general-query-statements/2.match.md
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Expand Up @@ -440,16 +440,16 @@ nebula> MATCH (v:player{name:"Tim Duncan"}) -[*0]-> (v2) \

### 匹配变长路径

用户可以在模式中使用`:<edge_type>*[minHop]..<maxHop>`匹配变长路径。
用户可以在模式中使用`:<edge_type>*[minHop]..[maxHop]`匹配变长路径。

|参数|说明|
|:---|:---|
|`minHop`|可选项。表示路径的最小长度。`minHop`必须是一个非负整数，默认值为 1。|
|`maxHop`|必选项。表示路径的最大长度。`maxHop`必须是一个非负整数，没有默认值。|
|`maxHop`|可选项。表示路径的最大长度。`maxHop`必须是一个非负整数，没有默认值。|

!!! compatibility "openCypher 兼容性"

在 openCypher 中，`maxHop`是可选项，默认为无穷大。当没有设置时，`..`可以省略。在 nGQL 中，`maxHop`是必选项，而且`..`不可以省略。
在 openCypher 中，没有设置`maxHop`时，`..`可以省略。在 nGQL 中，`..`不可以省略。

```ngql
nebula> MATCH p=(v:player{name:"Tim Duncan"})-[e:follow*1..3]->(v2) \
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