From 38f96c65140f00f0b15efc495a487cfd5db510b8 Mon Sep 17 00:00:00 2001
From: daisy1754 <dsbnatut@gmail.com>
Date: Fri, 9 Feb 2018 05:59:33 -0800
Subject: [PATCH] Add handling for empty Jsonb to fix #1649 (#1650)

---
 dialects/postgres/postgres.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dialects/postgres/postgres.go b/dialects/postgres/postgres.go
index b8e76891..1d0dcb60 100644
--- a/dialects/postgres/postgres.go
+++ b/dialects/postgres/postgres.go
@@ -63,6 +63,9 @@ type Jsonb struct {
 
 // Value get value of Jsonb
 func (j Jsonb) Value() (driver.Value, error) {
+	if len(j.RawMessage) == 0 {
+		return nil, nil
+	}
 	return j.MarshalJSON()
 }