From d5a8d74114b1f8fad08d06f4115130c84d971e20 Mon Sep 17 00:00:00 2001
From: Arvin Foroutan <aforoutan@whowhatwear.com>
Date: Mon, 25 Jul 2016 21:07:13 -0700
Subject: [PATCH] Allow a struct to be used as a field with jsonb

---
 session.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/session.go b/session.go
index 35e7a306..d65a0d7d 100644
--- a/session.go
+++ b/session.go
@@ -3042,7 +3042,9 @@ func (session *Session) value2Interface(col *core.Column, fieldValue reflect.Val
 				pkField := reflect.Indirect(fieldValue).FieldByName(fieldTable.PKColumns()[0].FieldName)
 				return pkField.Interface(), nil
 			}
-			return 0, fmt.Errorf("no primary key for col %v", col.Name)
+			if fieldTable.Type == nil {
+				return 0, fmt.Errorf("no primary key for col %v", col.Name)
+			}
 		}
 
 		if col.SQLType.IsText() {