Added vector type

chunker/json_parser.go

@@ -230,6 +230,11 @@ func handleBasicType(k string, v interface{}, op int, nq *api.NQuad) error {
 			return nil
 		}
 
+		if vf, err := types.ParseVFloat(v); err == nil {
+			nq.ObjectValue = &api.Value{Val: &api.Value_VdoubleVal{VdoubleVal: types.FloatArrayAsBytes(vf)}}
+			return nil
+		}
+
 		// Handle the uid function in upsert block
 		s := stripSpaces(v)
 		if strings.HasPrefix(s, "uid(") || strings.HasPrefix(s, "val(") {

dql/mutation.go

@@ -78,6 +78,11 @@ func TypeValFrom(val *api.Value) types.Val {
 		return types.Val{Tid: types.DateTimeID, Value: val.GetDatetimeVal()}
 	case *api.Value_PasswordVal:
 		return types.Val{Tid: types.PasswordID, Value: val.GetPasswordVal()}
+	case *api.Value_VdoubleVal:
+		return types.Val{
+			Tid:   types.VFloatID,
+			Value: types.BytesAsFloatArray(val.GetVdoubleVal()),
+		}
 	case *api.Value_DefaultVal:
 		return types.Val{Tid: types.DefaultID, Value: val.GetDefaultVal()}
 	}

protos/pb.proto

@@ -93,6 +93,7 @@ message Result {
   repeated FacetsList facet_matrix = 5;
   repeated LangList lang_matrix = 6;
   bool list = 7;
+  map<string, uint64> extra_metrics = 8;
 }
 
 message Order {
@@ -377,6 +378,10 @@ message Posting {
     PASSWORD = 8;
     STRING = 9;
     OBJECT = 10;
+    // RESERVE 11 for BIGFLOAT, should we desire to pull
+    // that in at a later date. (There is a pending PR
+    // that uses this).
+    VFLOAT = 12; // Float64 Vector
   }
   ValType val_type = 3;
   enum PostingType {
@@ -514,6 +519,20 @@ message SchemaUpdate {
   // Deleted field:
   reserved 7;
   reserved "explicit";
+
+  repeated VectorSpec vector_specs = 15;
+}
+
+message VectorSpec {
+  // This names the kind of Vector Index, e.g.,
+  //    hnsw, lsh, hypertree, ...
+  string name = 1;
+  repeated OptionPair options = 2;
+}
+
+message OptionPair {
+  string key = 1;
+  string value = 2;
 }
 
 message TypeUpdate {