// Copyright 2012, Google Inc. All rights reserved.

// Use of this source code is governed by a BSD-style

// license that can be found in the LICENSE file.

package sqlparser

import ()

const (

// StartTxnStr represents the txn start.

StartTxnStr = "start transaction"

// CommitTxnStr represents the txn commit.

CommitTxnStr = "commit"

)

// Transaction represents the transaction tuple.

type Transaction struct {

Action string

}

func (*Transaction) iStatement() {}

// Format formats the node.

func (node *Transaction) Format(buf *TrackedBuffer) {

switch node.Action {

case StartTxnStr:

buf.WriteString(StartTxnStr)

case CommitTxnStr:

buf.WriteString(CommitTxnStr)

}

}

// WalkSubtree walks the nodes of the subtree.

func (node *Transaction) WalkSubtree(visit Visit) error {

return nil

}