From dd2163b6902ae7846524030367da240f116fda68 Mon Sep 17 00:00:00 2001
From: Vee Zhang <veezhang@126.com>
Date: Tue, 13 Dec 2022 18:24:37 +0800
Subject: [PATCH] feat: add picker to pick value from record (#246)

---
 go.mod               | 2 +-
 pkg/picker/picker.go | 5 ++++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/go.mod b/go.mod
index 7ca22567..bd337ce6 100644
--- a/go.mod
+++ b/go.mod
@@ -7,7 +7,7 @@ require (
 	github.com/vesoft-inc/nebula-go/v3 v3.0.0-20220425030225-cdb52399b40a
 	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
 	gopkg.in/yaml.v2 v2.4.0
-	gopkg.in/yaml.v3 v3.0.1 // indirect
+	gopkg.in/yaml.v3 v3.0.1
 )
 
 go 1.13
diff --git a/pkg/picker/picker.go b/pkg/picker/picker.go
index f1fd6431..92d69c9d 100644
--- a/pkg/picker/picker.go
+++ b/pkg/picker/picker.go
@@ -1,6 +1,9 @@
 package picker
 
-var _ Picker = ConverterPicker{}
+var (
+	_ Picker = ConverterPicker{}
+	_ Picker = NullablePickers(nil)
+)
 
 type (
 	Picker interface {