github.com/polarismesh/polaris@v1.17.8/store/mysql/tx.go (about)

     1  /**
     2   * Tencent is pleased to support the open source community by making Polaris available.
     3   *
     4   * Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
     5   *
     6   * Licensed under the BSD 3-Clause License (the "License");
     7   * you may not use this file except in compliance with the License.
     8   * You may obtain a copy of the License at
     9   *
    10   * https://opensource.org/licenses/BSD-3-Clause
    11   *
    12   * Unless required by applicable law or agreed to in writing, software distributed
    13   * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
    14   * CONDITIONS OF ANY KIND, either express or implied. See the License for the
    15   * specific language governing permissions and limitations under the License.
    16   */
    17  
    18  package sqldb
    19  
    20  import "github.com/polarismesh/polaris/store"
    21  
    22  type Tx struct {
    23  	delegateTx *BaseTx
    24  }
    25  
    26  func NewSqlDBTx(delegateTx *BaseTx) store.Tx {
    27  	return &Tx{
    28  		delegateTx: delegateTx,
    29  	}
    30  }
    31  
    32  func (t *Tx) Commit() error {
    33  	return t.delegateTx.Commit()
    34  }
    35  
    36  func (t *Tx) Rollback() error {
    37  	return t.delegateTx.Rollback()
    38  }
    39  
    40  func (t *Tx) GetDelegateTx() interface{} {
    41  	return t.delegateTx
    42  }
    43  
    44  func (t *Tx) CreateReadView() error {
    45  	tx := t.delegateTx
    46  	_, err := tx.Exec("START TRANSACTION WITH CONSISTENT SNAPSHOT")
    47  	return err
    48  }