From 1d70d109b65f0ac537e9d90cee98b7d0e70701a0 Mon Sep 17 00:00:00 2001
From: Lunny Xiao <xiaolunwen@gmail.com>
Date: Sat, 10 Aug 2019 09:40:05 +0800
Subject: [PATCH] remove tidb totally

---
 models/migrations/v27.go    |  2 --
 models/migrations/v81.go    |  2 --
 modules/setting/database.go | 11 -----------
 routers/init.go             |  3 ---
 4 files changed, 18 deletions(-)

diff --git a/models/migrations/v27.go b/models/migrations/v27.go
index e87c7ab68f58..12e5fbcdbfe2 100644
--- a/models/migrations/v27.go
+++ b/models/migrations/v27.go
@@ -41,8 +41,6 @@ func convertIntervalToDuration(x *xorm.Engine) (err error) {
 		_, err = sess.Exec("ALTER TABLE mirror MODIFY `interval` BIGINT")
 	case "postgres":
 		_, err = sess.Exec("ALTER TABLE mirror ALTER COLUMN \"interval\" SET DATA TYPE bigint")
-	case "tidb":
-		_, err = sess.Exec("ALTER TABLE mirror MODIFY `interval` BIGINT")
 	case "mssql":
 		_, err = sess.Exec("ALTER TABLE mirror ALTER COLUMN \"interval\" BIGINT")
 	case "sqlite3":
diff --git a/models/migrations/v81.go b/models/migrations/v81.go
index 56bb8477e6bc..48e96508d9cf 100644
--- a/models/migrations/v81.go
+++ b/models/migrations/v81.go
@@ -14,8 +14,6 @@ func changeU2FCounterType(x *xorm.Engine) error {
 	var err error
 
 	switch x.Dialect().DriverName() {
-	case "tidb":
-		fallthrough
 	case "mysql":
 		_, err = x.Exec("ALTER TABLE `u2f_registration` MODIFY `counter` BIGINT")
 	case "postgres":
diff --git a/modules/setting/database.go b/modules/setting/database.go
index d506b211944b..2cac4824dfbc 100644
--- a/modules/setting/database.go
+++ b/modules/setting/database.go
@@ -23,9 +23,6 @@ var (
 	// EnableSQLite3 use SQLite3, set by build flag
 	EnableSQLite3 bool
 
-	// EnableTiDB enable TiDB, set by build flag
-	EnableTiDB bool
-
 	// Database holds the database settings
 	Database = struct {
 		Type              string
@@ -124,14 +121,6 @@ func DBConnStr() (string, error) {
 			return "", fmt.Errorf("Failed to create directories: %v", err)
 		}
 		connStr = fmt.Sprintf("file:%s?cache=shared&mode=rwc&_busy_timeout=%d", Database.Path, Database.Timeout)
-	case "tidb":
-		if !EnableTiDB {
-			return "", errors.New("this binary version does not build support for TiDB")
-		}
-		if err := os.MkdirAll(path.Dir(Database.Path), os.ModePerm); err != nil {
-			return "", fmt.Errorf("Failed to create directories: %v", err)
-		}
-		connStr = "goleveldb://" + Database.Path
 	default:
 		return "", fmt.Errorf("Unknown database type: %s", Database.Type)
 	}
diff --git a/routers/init.go b/routers/init.go
index 00f05cf648ac..2d7be6f2187c 100644
--- a/routers/init.go
+++ b/routers/init.go
@@ -105,9 +105,6 @@ func GlobalInit() {
 	if setting.EnableSQLite3 {
 		log.Info("SQLite3 Supported")
 	}
-	if setting.EnableTiDB {
-		log.Info("TiDB Supported")
-	}
 	checkRunMode()
 
 	if setting.InstallLock && setting.SSH.StartBuiltinServer {