forgejo-federation/vendor/github.com/pingcap/tidb/mysql/error.go

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// Copyright 2015 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 mysql
import (
"errors"
"fmt"
)
// Portable analogs of some common call errors.
var (
ErrBadConn = errors.New("connection was bad")
ErrMalformPacket = errors.New("Malform packet error")
)
// SQLError records an error information, from executing SQL.
type SQLError struct {
Code uint16
Message string
State string
}
// Error prints errors, with a formatted string.
func (e *SQLError) Error() string {
return fmt.Sprintf("ERROR %d (%s): %s", e.Code, e.State, e.Message)
}
// NewErr generates a SQL error, with an error code and default format specifier defined in MySQLErrName.
func NewErr(errCode uint16, args ...interface{}) *SQLError {
e := &SQLError{Code: errCode}
if s, ok := MySQLState[errCode]; ok {
e.State = s
} else {
e.State = DefaultMySQLState
}
if format, ok := MySQLErrName[errCode]; ok {
e.Message = fmt.Sprintf(format, args...)
} else {
e.Message = fmt.Sprint(args...)
}
return e
}
// NewErrf creates a SQL error, with an error code and a format specifier
func NewErrf(errCode uint16, format string, args ...interface{}) *SQLError {
e := &SQLError{Code: errCode}
if s, ok := MySQLState[errCode]; ok {
e.State = s
} else {
e.State = DefaultMySQLState
}
e.Message = fmt.Sprintf(format, args...)
return e
}