go-sql-driver / mysql / 8308409534

// Go MySQL Driver - A MySQL-Driver for Go's database/sql package

//

// Copyright 2013 The Go-MySQL-Driver Authors. All rights reserved.

//

// This Source Code Form is subject to the terms of the Mozilla Public

// License, v. 2.0. If a copy of the MPL was not distributed with this file,

// You can obtain one at http://mozilla.org/MPL/2.0/.

package mysql

import (

        "errors"

        "fmt"

        "log"

        "os"

)

// Various errors the driver might return. Can change between driver versions.

var (

        ErrInvalidConn       = errors.New("invalid connection")

        ErrMalformPkt        = errors.New("malformed packet")

        ErrNoTLS             = errors.New("TLS requested but server does not support TLS")

        ErrCleartextPassword = errors.New("this user requires clear text authentication. If you still want to use it, please add 'allowCleartextPasswords=1' to your DSN")

        ErrNativePassword    = errors.New("this user requires mysql native password authentication")

        ErrOldPassword       = errors.New("this user requires old password authentication. If you still want to use it, please add 'allowOldPasswords=1' to your DSN. See also https://github.com/go-sql-driver/mysql/wiki/old_passwords")

        ErrUnknownPlugin     = errors.New("this authentication plugin is not supported")

        ErrOldProtocol       = errors.New("MySQL server does not support required protocol 41+")

        ErrPktSync           = errors.New("commands out of sync. You can't run this command now")

        ErrPktSyncMul        = errors.New("commands out of sync. Did you run multiple statements at once?")

        ErrPktTooLarge       = errors.New("packet for query is too large. Try adjusting the `Config.MaxAllowedPacket`")

        ErrBusyBuffer        = errors.New("busy buffer")

        // errBadConnNoWrite is used for connection errors where nothing was sent to the database yet.

        // If this happens first in a function starting a database interaction, it should be replaced by driver.ErrBadConn

        // to trigger a resend.

        // See https://github.com/go-sql-driver/mysql/pull/302

        errBadConnNoWrite = errors.New("bad connection")

)

var defaultLogger = Logger(log.New(os.Stderr, "[mysql] ", log.Ldate|log.Ltime|log.Lshortfile))

// Logger is used to log critical error messages.

type Logger interface {

        Print(v ...any)

}

// NopLogger is a nop implementation of the Logger interface.

type NopLogger struct{}

// Print implements Logger interface.

// SetLogger is used to set the default logger for critical errors.

// The initial logger is os.Stderr.

}

// MySQLError is an error type which represents a single MySQL error

type MySQLError struct {

        Number   uint16

        SQLState [5]byte

        Message  string

}

}

}