// Copyright 2016 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, // See the License for the specific language governing permissions and // limitations under the License. package tikv import ( "github.com/pingcap/errors" "github.com/pingcap/kvproto/pkg/kvrpcpb" "github.com/pingcap/kvproto/pkg/pdpb" mysql "github.com/pingcap/tidb/errno" "github.com/pingcap/tidb/util/dbterror" ) var ( // ErrBodyMissing response body is missing error ErrBodyMissing = errors.New("response body is missing") // When TiDB is closing and send request to tikv fail, do not retry, return this error. errTiDBShuttingDown = errors.New("tidb server shutting down") ) // mismatchClusterID represents the message that the cluster ID of the PD client does not match the PD. const mismatchClusterID = "mismatch cluster id" // MySQL error instances. var ( ErrTiKVServerTimeout = dbterror.ClassTiKV.NewStd(mysql.ErrTiKVServerTimeout) ErrResolveLockTimeout = dbterror.ClassTiKV.NewStd(mysql.ErrResolveLockTimeout) ErrPDServerTimeout = dbterror.ClassTiKV.NewStd(mysql.ErrPDServerTimeout) ErrRegionUnavailable = dbterror.ClassTiKV.NewStd(mysql.ErrRegionUnavailable) ErrTiKVServerBusy = dbterror.ClassTiKV.NewStd(mysql.ErrTiKVServerBusy) ErrTiKVStaleCommand = dbterror.ClassTiKV.NewStd(mysql.ErrTiKVStaleCommand) ErrGCTooEarly = dbterror.ClassTiKV.NewStd(mysql.ErrGCTooEarly) ErrQueryInterrupted = dbterror.ClassTiKV.NewStd(mysql.ErrQueryInterrupted) ErrLockAcquireFailAndNoWaitSet = dbterror.ClassTiKV.NewStd(mysql.ErrLockAcquireFailAndNoWaitSet) ErrLockWaitTimeout = dbterror.ClassTiKV.NewStd(mysql.ErrLockWaitTimeout) ErrTokenLimit = dbterror.ClassTiKV.NewStd(mysql.ErrTiKVStoreLimit) ErrLockExpire = dbterror.ClassTiKV.NewStd(mysql.ErrLockExpire) ErrUnknown = dbterror.ClassTiKV.NewStd(mysql.ErrUnknown) ) // Registers error returned from TiKV. var ( _ = dbterror.ClassTiKV.NewStd(mysql.ErrDataOutOfRange) _ = dbterror.ClassTiKV.NewStd(mysql.ErrTruncatedWrongValue) _ = dbterror.ClassTiKV.NewStd(mysql.ErrDivisionByZero) ) // ErrDeadlock wraps *kvrpcpb.Deadlock to implement the error interface. // It also marks if the deadlock is retryable. type ErrDeadlock struct { *kvrpcpb.Deadlock IsRetryable bool } func (d *ErrDeadlock) Error() string { return d.Deadlock.String() } // PDError wraps *pdpb.Error to implement the error interface. type PDError struct { Err *pdpb.Error } func (d *PDError) Error() string { return d.Err.String() }