finisher_app.go Add ExecRaw Method.

it use
Do no processing and execute the original sql

finisher_api.go

@@ -662,3 +662,16 @@ func (db *DB) Exec(sql string, values ...interface{}) (tx *DB) {
 
 	return tx.callbacks.Raw().Execute(tx)
 }
+
+// ExecRaw Do no processing and execute the original sql
+func (db *DB) ExecRaw(sql string, values ...interface{}) (tx *DB) {
+	tx = db.getInstance()
+
+	builder := strings.Builder{}
+	builder.WriteString(sql)
+
+	tx.Statement.SQL = builder
+	tx.Statement.Vars = values
+
+	return tx.callbacks.Raw().Execute(tx)
+}