From feb013c97620111a2e575ee50ae465fa97dad8d3 Mon Sep 17 00:00:00 2001
From: Adrian <adrianhyk@gmail.com>
Date: Thu, 8 Feb 2018 23:58:03 +0800
Subject: [PATCH] DataTypeOf should now correctly identify dataValues that are
 'json.RawMessage' types as 'jsonb' columns

---
 dialect_postgres.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/dialect_postgres.go b/dialect_postgres.go
index 6fdf4df1..058e6e27 100644
--- a/dialect_postgres.go
+++ b/dialect_postgres.go
@@ -5,6 +5,7 @@ import (
 	"reflect"
 	"strings"
 	"time"
+	"encoding/json"
 )
 
 type postgres struct {
@@ -67,9 +68,12 @@ func (s *postgres) DataTypeOf(field *StructField) string {
 			}
 		default:
 			if IsByteArrayOrSlice(dataValue) {
-				sqlType = "bytea"
 				if isUUID(dataValue) {
 					sqlType = "uuid"
+				} else if _, ok := dataValue.Interface().(json.RawMessage); ok {
+					sqlType = "jsonb"
+				} else {
+					sqlType = "bytea"
 				}
 			}
 		}