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// 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()
}