Change task title to TEXT instead of varchar(250) to allow for longer task titles

pkg/migration/20210709191101.go

@@ -0,0 +1,53 @@
+// Vikunja is a to-do list application to facilitate your life.
+// Copyright 2018-2021 Vikunja and contributors. All rights reserved.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public Licensee as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public Licensee for more details.
+//
+// You should have received a copy of the GNU Affero General Public Licensee
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package migration
+
+import (
+	"code.vikunja.io/api/pkg/config"
+	"code.vikunja.io/api/pkg/log"
+	"src.techknowlogick.com/xormigrate"
+	"xorm.io/xorm"
+)
+
+func init() {
+	migrations = append(migrations, &xormigrate.Migration{
+		ID:          "20210709191101",
+		Description: "Make the task title type TEXT instead of varchar(250)",
+		Migrate: func(tx *xorm.Engine) error {
+			switch config.DatabaseType.GetString() {
+			case "sqlite":
+				// Sqlite only has a "TEXT" type so we don't need to modify it
+			case "mysql":
+				_, err := tx.Exec("alter table tasks modify title text not null")
+				if err != nil {
+					return err
+				}
+			case "postgres":
+				_, err := tx.Exec("alter table tasks alter column title type text using title::text")
+				if err != nil {
+					return err
+				}
+			default:
+				log.Fatal("Unknown db.")
+			}
+			return nil
+		},
+		Rollback: func(tx *xorm.Engine) error {
+			return nil
+		},
+	})
+}