Add Session Initialized option

gorm.go

@@ -96,6 +96,7 @@ type Session struct {
 	DryRun                   bool
 	PrepareStmt              bool
 	NewDB                    bool
+	Initialized              bool
 	SkipHooks                bool
 	SkipDefaultTransaction   bool
 	DisableNestedTransaction bool
@@ -282,6 +283,10 @@ func (db *DB) Session(config *Session) *DB {
 		tx.Config.NowFunc = config.NowFunc
 	}
 
+	if config.Initialized {
+		tx = tx.getInstance()
+	}
+
 	return tx
 }