tidb future 代码
文件路径：/sessiontxn/future.go
// Copyright 2022 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package sessiontxn
// ConstantFuture implements oracle.Future
type ConstantFuture uint64
// Wait returns a constant ts
func (n ConstantFuture) Wait() (uint64, error) {
return uint64(n), nil
}