service/datastore: misc improvements in properties.go

service/datastore/propertytype_string.go

Index: service/datastore/propertytype_string.go
diff --git a/service/datastore/propertytype_string.go b/service/datastore/propertytype_string.go
new file mode 100644
index 0000000000000000000000000000000000000000..1bf9877784e44efb836b1597ebe09dd638c09432
--- /dev/null
+++ b/service/datastore/propertytype_string.go
@@ -0,0 +1,16 @@
+// generated by stringer -type=PropertyType; DO NOT EDIT
+
+package datastore
+
+import "fmt"
+
+const _PropertyType_name = "PTNullPTIntPTTimePTBoolPTBytesPTStringPTFloatPTGeoPointPTKeyPTBlobKeyPTUnknown"
+
+var _PropertyType_index = [...]uint8{0, 6, 11, 17, 23, 30, 38, 45, 55, 60, 69, 78}
+
+func (i PropertyType) String() string {
+	if i >= PropertyType(len(_PropertyType_index)-1) {
+		return fmt.Sprintf("PropertyType(%d)", i)
+	}
+	return _PropertyType_name[_PropertyType_index[i]:_PropertyType_index[i+1]]
+}