14570841909

Committed 21 Apr 2025 09:10AM UTC coverage: 83.0% (-0.01%) from 83.01%

Build # 14570841909

Build Type

Pull #1692

github

Committed by

web-flow

Commit Message

Merge branch 'master' into clientDeprecateEOF

Pull Request Pull Request #1692: MariaDB metadata skipping

Run Details

170 of 203 new or added lines in 6 files covered. (83.74%)

3 existing lines in 1 file now uncovered.

3320 of 4000 relevant lines covered (83.0%)

2184086.06 hits per line

Source File
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78.57

/conncheck.go

// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2019 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/.

//go:build linux || darwin || dragonfly || freebsd || netbsd || openbsd || solaris || illumos
// +build linux darwin dragonfly freebsd netbsd openbsd solaris illumos

package mysql

import (
        "errors"
        "io"
        "net"
        "syscall"
)

var errUnexpectedRead = errors.New("unexpected read from socket")

func connCheck(conn net.Conn) error {
        var sysErr error

        sysConn, ok := conn.(syscall.Conn)
        if !ok {
                return nil
        }
        rawConn, err := sysConn.SyscallConn()
        if err != nil {
                return err
        }

        err = rawConn.Read(func(fd uintptr) bool {
                var buf [1]byte
                n, err := syscall.Read(int(fd), buf[:])
                switch {
                case n == 0 && err == nil:
                        sysErr = io.EOF
                case n > 0:
                        sysErr = errUnexpectedRead
                case err == syscall.EAGAIN || err == syscall.EWOULDBLOCK:
                        sysErr = nil
                default:
                        sysErr = err
                }
                return true
        })
        if err != nil {
                return err
        }

        return sysErr
}

1	// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
2	//
3	// Copyright 2019 The Go-MySQL-Driver Authors. All rights reserved.
4	//
5	// This Source Code Form is subject to the terms of the Mozilla Public
6	// License, v. 2.0. If a copy of the MPL was not distributed with this file,
7	// You can obtain one at http://mozilla.org/MPL/2.0/.
8
9	//go:build linux \|\| darwin \|\| dragonfly \|\| freebsd \|\| netbsd \|\| openbsd \|\| solaris \|\| illumos
10	// +build linux darwin dragonfly freebsd netbsd openbsd solaris illumos
11
12	package mysql
13
14	import (
15	"errors"
16	"io"
17	"net"
18	"syscall"
19	)
20
21	var errUnexpectedRead = errors.New("unexpected read from socket")
22
23	func connCheck(conn net.Conn) error {	20,616✔
24	var sysErr error	20,616✔
25		20,616✔
26	sysConn, ok := conn.(syscall.Conn)	20,616✔
27	if !ok {	20,616✔
28	return nil	×
29	}	×
30	rawConn, err := sysConn.SyscallConn()	20,616✔
31	if err != nil {	20,616✔
32	return err	×
33	}	×
34
35	err = rawConn.Read(func(fd uintptr) bool {	41,232✔
36	var buf [1]byte	20,616✔
37	n, err := syscall.Read(int(fd), buf[:])	20,616✔
38	switch {	20,616✔
39	case n == 0 && err == nil:	2✔
40	sysErr = io.EOF	2✔
41	case n > 0:	50✔
42	sysErr = errUnexpectedRead	50✔
43	case err == syscall.EAGAIN \|\| err == syscall.EWOULDBLOCK:	20,552✔
44	sysErr = nil	20,552✔
45	default:	12✔
46	sysErr = err	12✔
47	}
48	return true	20,616✔
49	})
50	if err != nil {	20,616✔
51	return err	×
52	}	×
53
54	return sysErr	20,616✔
55	}

go-sql-driver / mysql / 14570841909

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