From b0ea2bfe14c8180b494a5686401c5926e104ed4c Mon Sep 17 00:00:00 2001
From: c9s <yoan@maicoin.com>
Date: Sun, 14 Mar 2021 10:59:58 +0800
Subject: [PATCH] types: add exchange name sql value and unmarshalling

---
 pkg/types/exchange.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/pkg/types/exchange.go b/pkg/types/exchange.go
index 1e36346ad..1060392de 100644
--- a/pkg/types/exchange.go
+++ b/pkg/types/exchange.go
@@ -2,6 +2,7 @@ package types
 
 import (
 	"context"
+	"database/sql/driver"
 	"encoding/json"
 	"fmt"
 	"strings"
@@ -14,9 +15,13 @@ const DateFormat = "2006-01-02"
 
 type ExchangeName string
 
+func (n *ExchangeName) Value() (driver.Value, error) {
+	return n.String(), nil
+}
+
 func (n *ExchangeName) UnmarshalJSON(data []byte) error {
 	var s string
-	if err := json.Unmarshal(data, &s) ; err != nil {
+	if err := json.Unmarshal(data, &s); err != nil {
 		return err
 	}