github.com/KinWaiYuen/client-go/v2@v2.5.4/txnkv/txnlock/lock.go (about)

     1  // Copyright 2021 TiKV Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package txnlock
    16  
    17  import (
    18  	tikverr "github.com/KinWaiYuen/client-go/v2/error"
    19  	"github.com/pingcap/kvproto/pkg/kvrpcpb"
    20  )
    21  
    22  // ExtractLockFromKeyErr extracts the KeyError.
    23  func ExtractLockFromKeyErr(keyErr *kvrpcpb.KeyError) (*Lock, error) {
    24  	if locked := keyErr.GetLocked(); locked != nil {
    25  		return NewLock(locked), nil
    26  	}
    27  	return nil, tikverr.ExtractKeyErr(keyErr)
    28  }