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optimize geo #2707

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merged 4 commits into from
Apr 11, 2023
Merged

optimize geo #2707

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2e32953
optimize geo
cooper-lzy Apr 7, 2023
84fa9d9
Update 10.geography.md
cooper-lzy Apr 7, 2023
91a8a47
Update 10.geography.md
cooper-lzy Apr 7, 2023
9f19ac0
Update 10.geography.md
abby-cyber Apr 7, 2023
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7 changes: 5 additions & 2 deletions docs-2.0/3.ngql-guide/3.data-types/10.geography.md
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Expand Up @@ -12,6 +12,11 @@ GEOGRAPHY 的基本类型是点，由经纬度确定一个点，例如`"POINT(3
|LineString|`"LINESTRING(3 8, 4.7 73.23)"`|线段类型|
|Polygon|`"POLYGON((0 1, 1 2, 2 3, 0 1))"`|多边形类型|

!!! note

请勿直接插入上述类型的 GEOGRAPHY 数据，例如`INSERT VERTEX any_shape(geo) VALUES "1":("POINT(1 1)")`，需要使用 [geo 函数](../6.functions-and-expressions/14.geo.md)指定数据类型后才能插入，例如`INSERT VERTEX any_shape(geo) VALUES "1":(ST_GeogFromText("POINT(1 1)"));`。


<!--
## 索引

Expand All @@ -24,8 +29,6 @@ CREATE TAG INDEX <index_name> ON <tag_name>(<geo_prop_name>) s2_min_level = <int

## 示例

geo 相关函数请参见 [geo 函数](../6.functions-and-expressions/14.geo.md)。

```ngql
//创建 Tag，允许存储任意形状地理位置数据类型。
nebula> CREATE TAG IF NOT EXISTS any_shape(geo geography);
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