support geo value

README.md

@@ -239,7 +239,7 @@ Each tag contains the following two properties:
 * `name`: The tag name.
 * `prop`: A property of the tag. Each property contains the following two fields:
   * `name`: **Required**. The property name, must be the same with the tag property in Nebula Graph.
-  * `type`: **Optional**. The property type, currently  `bool`, `int`, `float`, `double`, `string`, `time`, `timestamp`, `date` and `datetime` are supported.
+  * `type`: **Optional**. The property type, currently  `bool`, `int`, `float`, `double`, `string`, `time`, `timestamp`, `date`, `datetime`, `geography`, `geography(point)`, `geography(linestring)` and `geography(polygon)` are supported.
   * `index`: **Optional**. The column number in the CSV file.
 
 > **NOTE**: The properties in the preceding `prop` parameter must be sorted in the **same** way as in the CSV data file.
@@ -315,7 +315,7 @@ The format for each column is `<tag_name/edge_name>.<prop_name>:<prop_type>`:
 
 * `<tag_name/edge_name>` is the name for the vertex or edge.
 * `<prop_name>` is the property name.
-* `<prop_type>` is the property type. It can be `bool`, `int`, `float`, `double`, `string`, `time`, `timestamp`, `date` and `datetime`. The default type is `string`.
+* `<prop_type>` is the property type. It can be `bool`, `int`, `float`, `double`, `string`, `time`, `timestamp`, `date`, `datetime`, `geography`, `geography(point)`, `geography(linestring)` and `geography(polygon)`. The default type is `string`.
 
 In the above `<prop_type>` field, the following keywords contain special semantics:
 

README_zh-CN.md

@@ -192,7 +192,7 @@ schema:
 - `name`：TAG 的名称。
 - `props`：TAG 的属性字段数组，每个属性字段又由如下两个字段构成：
   - `name`：**必填**。属性名称，同 Nebula Graph 中创建的 TAG 的属性名称一致。
-  - `type`：**必填**。属性类型，目前支持 `bool`、`int`、`float`、`double`、`timestamp` 和 `string` 几种类型。
+  - `type`：**必填**。属性类型，目前支持 `bool`、`int`、`float`、`double`、`timestamp`、`string`、`geography`、`geography(point)`、`geography(linestring)`和`geography(polygon)` 几种类型。
   - `index`：**可选**。在 CSV 文件中的列标。
 
 > **注意**：上述 `props` 中的属性描述**顺序**必须同数据文件中的对应数据排列顺序一致。
@@ -268,7 +268,7 @@ example 中 choose 类型的边的样例数据：
 
 - `<tag_name/edge_name>` 表示 TAG 或者 EDGE 的名称。
 - `<prop_name>` 表示属性名称。
-- `<prop_type>` 表示属性类型。可以是 `bool`、`int`、`float`、`double`、`string` 和 `timestamp`，不设置默认为 `string`。
+- `<prop_type>` 表示属性类型。可以是 `bool`、`int`、`float`、`double`、`string`、`timestamp`、`geography`、`geography(point)`、`geography(linestring)`和`geography(polygon)`，不设置默认为 `string`。
 
 在上述的 `<prop_type>` 字段中有如下几个关键词含有特殊语义：
 

examples/v2/example.yaml

@@ -25,7 +25,8 @@ clientSettings:
       CREATE TAG course_no_props();
       CREATE TAG building_no_props();
       CREATE EDGE follow_no_props();
-      CREATE TAG date_test(c1 date, c2 time, c3 datetime, c4 timestamp)
+      CREATE TAG date_test(c1 date, c2 time, c3 datetime, c4 timestamp);
+      CREATE TAG geography_test(any_shape geography, only_point geography(point), only_linestring geography(linestring), only_polygon geography(polygon))
     afterPeriod: 8s
   preStop:
     commands: |
@@ -440,3 +441,33 @@ files:
               - name: c4
                 type: timestamp
                 index: 4
+
+  - path: ./geography_test.csv
+    failDataPath: ./err/geography_test.csv
+    batchSize: 2
+    inOrder: true
+    type: csv
+    csv:
+      withHeader: false
+      withLabel: false
+      delimiter: ","
+    schema:
+      type: vertex
+      vertex:
+        vid:
+          index: 0
+        tags:
+          - name: geography_test
+            props:
+              - name: any_shape
+                type: geography
+                index: 1
+              - name: only_point
+                type: geography(point)
+                index: 2
+              - name: only_linestring
+                type: geography(linestring)
+                index: 3
+              - name: only_polygon
+                type: geography(polygon)
+                index: 4

examples/v2/geography_test.csv

@@ -0,0 +1,3 @@
+g1,POINT (-82.3764154 42.6452196),"Point(3 8)","LINEstring (-108.7 35.0,-100.0 46.5,-90.7 34.9,-108.7 35.0)","POlygon ( (-100.1 41.4,-102.9 37.6,-96.8 37.5,-100.1 41.4))"
+g2,"LineString(0 1, 1 2, 2 3)","point(4.6 5.7 )", "LINESTRING(43.8 52.6, -78.99 84.323)","POLYGON ((-108.7 35.0,-100.0 46.5,-90.7 34.9,-108.7 35.0))"
+g3,"Polygon((-85.1 34.8,-80.7 28.4,-76.9 34.9,-85.1 34.8))", Point(0.0 0.0), "linestring(0 1, 179.99 89.99)","polygon((0 1, 2 4, 3 5, 4 9, 0 1))"

pkg/base/tools.go

@@ -29,7 +29,7 @@ func FileExists(filename string) bool {
 
 func IsValidType(t string) bool {
 	switch strings.ToLower(t) {
-	case "string", "int", "float", "double", "bool", "date", "time", "datetime", "timestamp":
+	case "string", "int", "float", "double", "bool", "date", "time", "datetime", "timestamp", "geography", "geography(point)", "geography(linestring)", "geography(polygon)":
 		return true
 	default:
 		return false

pkg/base/tools_test.go

@@ -28,4 +28,8 @@ func TestIsValidType(t *testing.T) {
 	assert.True(t, IsValidType("bool"))
 	assert.True(t, IsValidType("timestamp"))
 	assert.True(t, IsValidType("double"))
+	assert.True(t, IsValidType("geography"))
+	assert.True(t, IsValidType("geography(point)"))
+	assert.True(t, IsValidType("geography(linestring)"))
+	assert.True(t, IsValidType("geography(polygon)"))
 }

pkg/config/config.go

@@ -791,6 +791,11 @@ func (p *Prop) IsDateOrTimeType() bool {
 	return t == "date" || t == "time" || t == "datetime" || t == "timestamp"
 }
 
+func (p *Prop) IsGeographyType() bool {
+	t := strings.ToLower(*p.Type)
+	return t == "geography" || t == "geography(point)" || t == "geography(linestring)" || t == "geography(polygon)"
+}
+
 func (p *Prop) FormatValue(record base.Record) (string, error) {
 	if p.Index != nil && *p.Index >= len(record) {
 		return "", fmt.Errorf("Prop index %d out range %d of record(%v)", *p.Index, len(record), record)
@@ -802,6 +807,10 @@ func (p *Prop) FormatValue(record base.Record) (string, error) {
 	if p.IsDateOrTimeType() {
 		return fmt.Sprintf("%s(%q)", strings.ToLower(*p.Type), r), nil
 	}
+	// Only support wkt for geography currently
+	if p.IsGeographyType() {
+		return fmt.Sprintf("ST_GeogFromText(%q)", r), nil
+	}
 
 	return r, nil
 }