32b1dbd8d5
We import "github.com/pkg/errors" in the code, and actually put the "github.com/pingcap/errors" there in the vendor path. That's a dirty hack, and prevent the introduce of Go module.
60 lines
2.6 KiB
Go
60 lines
2.6 KiB
Go
// Copyright 2016 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package tikv
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import (
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"github.com/pingcap/errors"
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"github.com/pingcap/parser/mysql"
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"github.com/pingcap/parser/terror"
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)
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var (
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// ErrBodyMissing response body is missing error
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ErrBodyMissing = errors.New("response body is missing")
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)
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// mismatchClusterID represents the message that the cluster ID of the PD client does not match the PD.
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const mismatchClusterID = "mismatch cluster id"
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// TiDB decides whether to retry transaction by checking if error message contains
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// string "try again later" literally.
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// In TiClient we use `errors.Annotate(err, txnRetryableMark)` to direct TiDB to
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// restart a transaction.
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// Note that it should be only used if i) the error occurs inside a transaction
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// and ii) the error is not totally unexpected and hopefully will recover soon.
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const txnRetryableMark = "[try again later]"
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// MySQL error instances.
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var (
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ErrTiKVServerTimeout = terror.ClassTiKV.New(mysql.ErrTiKVServerTimeout, mysql.MySQLErrName[mysql.ErrTiKVServerTimeout]+txnRetryableMark)
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ErrResolveLockTimeout = terror.ClassTiKV.New(mysql.ErrResolveLockTimeout, mysql.MySQLErrName[mysql.ErrResolveLockTimeout]+txnRetryableMark)
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ErrPDServerTimeout = terror.ClassTiKV.New(mysql.ErrPDServerTimeout, mysql.MySQLErrName[mysql.ErrPDServerTimeout]+"%v")
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ErrRegionUnavailable = terror.ClassTiKV.New(mysql.ErrRegionUnavailable, mysql.MySQLErrName[mysql.ErrRegionUnavailable]+txnRetryableMark)
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ErrTiKVServerBusy = terror.ClassTiKV.New(mysql.ErrTiKVServerBusy, mysql.MySQLErrName[mysql.ErrTiKVServerBusy]+txnRetryableMark)
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ErrGCTooEarly = terror.ClassTiKV.New(mysql.ErrGCTooEarly, mysql.MySQLErrName[mysql.ErrGCTooEarly])
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)
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func init() {
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tikvMySQLErrCodes := map[terror.ErrCode]uint16{
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mysql.ErrTiKVServerTimeout: mysql.ErrTiKVServerTimeout,
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mysql.ErrResolveLockTimeout: mysql.ErrResolveLockTimeout,
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mysql.ErrPDServerTimeout: mysql.ErrPDServerTimeout,
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mysql.ErrRegionUnavailable: mysql.ErrRegionUnavailable,
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mysql.ErrTiKVServerBusy: mysql.ErrTiKVServerBusy,
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mysql.ErrGCTooEarly: mysql.ErrGCTooEarly,
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mysql.ErrTruncatedWrongValue: mysql.ErrTruncatedWrongValue,
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}
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terror.ErrClassToMySQLCodes[terror.ClassTiKV] = tikvMySQLErrCodes
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}
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