From 8e4160840d2afaaaedcda862b2a78c4f2604e6a0 Mon Sep 17 00:00:00 2001
From: ychao_1983 <ychao_1983@sina.com>
Date: Tue, 31 Aug 2021 09:12:56 +0800
Subject: [PATCH] #fix-244

---
 models/custom_migrations.go | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 models/custom_migrations.go

diff --git a/models/custom_migrations.go b/models/custom_migrations.go
new file mode 100644
index 000000000..b196c5a8b
--- /dev/null
+++ b/models/custom_migrations.go
@@ -0,0 +1,36 @@
+package models
+
+import (
+	"code.gitea.io/gitea/modules/log"
+	"xorm.io/xorm"
+)
+
+type CustomMigration struct {
+	Description string
+	Migrate     func(*xorm.Engine) error
+}
+
+var customMigrations = []CustomMigration{
+	{"Custom v1 Topic struct change to support chinese", syncTopicStruct},
+}
+
+func MigrateCustom(x *xorm.Engine) {
+
+	for _, m := range customMigrations {
+		log.Info("Migration: %s", m.Description)
+		if err := m.Migrate(x); err != nil {
+
+			log.Error("Migration: %v", err)
+
+		}
+	}
+
+}
+
+func syncTopicStruct(x *xorm.Engine) error {
+
+	query := "ALTER TABLE topic ALTER COLUMN name TYPE varchar(105);"
+
+	_, err := x.Exec(query)
+	return err
+}