feat(GraphQL): Add support for Geo point type in Graphql.

graphql/dgraph/graphquery.go

@@ -155,6 +155,9 @@ func writeFilterFunction(b *strings.Builder, f *gql.Function) {
 		x.Check2(b.WriteString(fmt.Sprintf("%s(%s)", f.Name, f.Args[0].Value)))
 	case len(f.Args) == 2:
 		x.Check2(b.WriteString(fmt.Sprintf("%s(%s, %s)", f.Name, f.Args[0].Value, f.Args[1].Value)))
+	case len(f.Args) == 3:
+		x.Check2(b.WriteString(fmt.Sprintf("%s(%s, %s, %s)", f.Name, f.Args[0].Value, f.Args[1].Value,
+			f.Args[2].Value)))
 	}
 }
 

graphql/e2e/common/common.go

@@ -378,6 +378,7 @@ func RunAll(t *testing.T) {
 	t.Run("update mutation without set & remove", updateMutationWithoutSetRemove)
 	t.Run("Input coercing for int64 type", int64BoundaryTesting)
 	t.Run("Check cascade with mutation without ID field", checkCascadeWithMutationWithoutIDField)
+	t.Run("Geo type", mutationGeoType)
 
 	// error tests
 	t.Run("graphql completion on", graphQLCompletionOn)

graphql/e2e/common/mutation.go

@@ -3747,6 +3747,49 @@ func nestedAddMutationWithHasInverse(t *testing.T) {
 	deleteGqlType(t, "Person1", map[string]interface{}{}, 3, nil)
 }
 
+func mutationGeoType(t *testing.T) {
+	addHotelParams := &GraphQLParams{
+		Query: `
+		mutation addHotel($hotel: AddHotelInput!) {
+		  addHotel(input: [$hotel]) {
+			hotel {
+			  name
+			  location {
+				latitude
+				longitude
+			  }
+			}
+		  }
+		}`,
+		Variables: map[string]interface{}{"hotel": map[string]interface{}{
+			"name": "Taj Hotel",
+			"location": map[string]interface{}{
+				"latitude":  11.11,
+				"longitude": 22.22,
+			},
+		}},
+	}
+	gqlResponse := addHotelParams.ExecuteAsPost(t, GraphqlURL)
+	RequireNoGQLErrors(t, gqlResponse)
+
+	addHotelExpected := `
+	{
+		"addHotel": {
+			"hotel": [{
+				"name": "Taj Hotel",
+				"location": {
+					"latitude": 11.11,
+					"longitude": 22.22
+				}
+			}]
+		}
+	}`
+	testutil.CompareJSON(t, addHotelExpected, string(gqlResponse.Data))
+
+	// Cleanup
+	deleteGqlType(t, "Hotel", map[string]interface{}{}, 1, nil)
+}
+
 func addMutationWithHasInverseOverridesCorrectly(t *testing.T) {
 	params := &GraphQLParams{
 		Query: `mutation addCountry($input: [AddCountryInput!]!) {

graphql/e2e/directives/schema.graphql

@@ -1,6 +1,12 @@
 # **Don't delete** Comments at top of schemas should work
 # See: https://github.com/dgraph-io/dgraph/issues/4227
 
+type Hotel {
+    id: ID!
+    name: String! @search(by: [exact])
+    location: Point @search
+}
+
 type Country {
         # **Don't delete** Comments in types should work
         id: ID! # **Don't delete** Comments in lines should work

graphql/e2e/directives/schema_response.json

@@ -1,15 +1,5 @@
 {
     "schema": [
-        {
-            "index": true,
-            "list": true,
-            "predicate": "dgraph.cors",
-            "tokenizer": [
-              "exact"
-            ],
-            "type": "string",
-            "upsert": true
-        },
         {
             "predicate": "Category.name",
             "type": "string"
@@ -42,6 +32,22 @@
                 "trigram"
             ]
         },
+        {
+            "predicate": "Hotel.location",
+            "type": "geo",
+            "index": true,
+            "tokenizer": [
+                "geo"
+            ]
+        },
+        {
+            "predicate": "Hotel.name",
+            "type": "string",
+            "index": true,
+            "tokenizer": [
+                "exact"
+            ]
+        },
         {
             "predicate": "Human.starships",
             "type": "uid",
@@ -68,15 +74,15 @@
             ],
             "upsert": true
         },
-        {
-            "predicate": "Person1.name",
-            "type": "string"
-        },
         {
             "predicate": "Person1.friends",
             "type": "uid",
             "list": true
         },
+        {
+            "predicate": "Person1.name",
+            "type": "string"
+        },
         {
             "predicate": "Post1.comments",
             "type": "uid",
@@ -91,17 +97,6 @@
             ],
             "upsert": true
         },
-        {
-            "predicate": "post1.title",
-            "type": "string",
-            "index": true,
-            "tokenizer": ["trigram", "hash"],
-            "upsert": true
-        },
-        {
-            "predicate": "post1.numLikes",
-            "type": "int"
-        },
         {
             "predicate": "State.capital",
             "type": "string"
@@ -176,6 +171,16 @@
             "predicate": "credits",
             "type": "float"
         },
+        {
+            "predicate": "dgraph.cors",
+            "type": "string",
+            "index": true,
+            "tokenizer": [
+                "exact"
+            ],
+            "list": true,
+            "upsert": true
+        },
         {
             "predicate": "dgraph.graphql.schema",
             "type": "string"
@@ -292,6 +297,20 @@
             "predicate": "post.author",
             "type": "uid"
         },
+        {
+            "predicate": "post1.numLikes",
+            "type": "int"
+        },
+        {
+            "predicate": "post1.title",
+            "type": "string",
+            "index": true,
+            "tokenizer": [
+                "hash",
+                "trigram"
+            ],
+            "upsert": true
+        },
         {
             "predicate": "pwd",
             "type": "password"
@@ -405,6 +424,17 @@
             ],
             "name": "Country"
         },
+        {
+            "fields": [
+                {
+                    "name": "Hotel.name"
+                },
+                {
+                    "name": "Hotel.location"
+                }
+            ],
+            "name": "Hotel"
+        },
         {
             "fields": [
                 {
@@ -488,17 +518,6 @@
             ],
             "name": "Post1"
         },
-        {
-            "fields": [
-                {
-                    "name": "post1.title"
-                },
-                {
-                    "name": "post1.numLikes"
-                }
-            ],
-            "name": "post1"
-        },
         {
             "fields": [
                 {
@@ -609,7 +628,8 @@
             "fields": [
                 {
                     "name": "dgraph.graphql.schema_history"
-                },{
+                },
+                {
                     "name": "dgraph.graphql.schema_created_at"
                 }
             ],
@@ -661,6 +681,17 @@
             ],
             "name": "performance.character"
         },
+        {
+            "fields": [
+                {
+                    "name": "post1.title"
+                },
+                {
+                    "name": "post1.numLikes"
+                }
+            ],
+            "name": "post1"
+        },
         {
             "fields": [
                 {

graphql/e2e/normal/schema.graphql

@@ -1,6 +1,12 @@
 # **Don't delete** Comments at top of schemas should work
 # See: https://github.com/dgraph-io/dgraph/issues/4227
 
+type Hotel {
+        id: ID!
+        name: String! @search(by: [exact])
+        location: Point @search
+}
+
 type Country {
         # **Don't delete** Comments in types should work
         id: ID! # **Don't delete** Comments in in lines should work