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65 lines
2.6 KiB
Go
Vendored
65 lines
2.6 KiB
Go
Vendored
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
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//
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// Copyright 2013 The Go-MySQL-Driver Authors. All rights reserved.
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at http://mozilla.org/MPL/2.0/.
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package mysql
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import (
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"errors"
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"fmt"
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"log"
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"os"
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)
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// Various errors the driver might return. Can change between driver versions.
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var (
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ErrInvalidConn = errors.New("invalid connection")
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ErrMalformPkt = errors.New("malformed packet")
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ErrNoTLS = errors.New("TLS requested but server does not support TLS")
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ErrCleartextPassword = errors.New("this user requires clear text authentication. If you still want to use it, please add 'allowCleartextPasswords=1' to your DSN")
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ErrNativePassword = errors.New("this user requires mysql native password authentication.")
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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")
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ErrUnknownPlugin = errors.New("this authentication plugin is not supported")
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ErrOldProtocol = errors.New("MySQL server does not support required protocol 41+")
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ErrPktSync = errors.New("commands out of sync. You can't run this command now")
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ErrPktSyncMul = errors.New("commands out of sync. Did you run multiple statements at once?")
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ErrPktTooLarge = errors.New("packet for query is too large. Try adjusting the 'max_allowed_packet' variable on the server")
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ErrBusyBuffer = errors.New("busy buffer")
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// errBadConnNoWrite is used for connection errors where nothing was sent to the database yet.
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// If this happens first in a function starting a database interaction, it should be replaced by driver.ErrBadConn
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// to trigger a resend.
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// See https://github.com/go-sql-driver/mysql/pull/302
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errBadConnNoWrite = errors.New("bad connection")
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)
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var errLog = Logger(log.New(os.Stderr, "[mysql] ", log.Ldate|log.Ltime|log.Lshortfile))
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// Logger is used to log critical error messages.
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type Logger interface {
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Print(v ...interface{})
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}
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// SetLogger is used to set the logger for critical errors.
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// The initial logger is os.Stderr.
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func SetLogger(logger Logger) error {
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if logger == nil {
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return errors.New("logger is nil")
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}
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errLog = logger
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return nil
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}
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// MySQLError is an error type which represents a single MySQL error
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type MySQLError struct {
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Number uint16
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Message string
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}
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func (me *MySQLError) Error() string {
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return fmt.Sprintf("Error %d: %s", me.Number, me.Message)
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}
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