1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
--source include/have_innodb.inc
--source include/not_embedded.inc
--source include/innodb_checksum_algorithm.inc
--echo # Set the environmental variables
let MYSQLD_BASEDIR= `SELECT @@basedir`;
let MYSQLD_DATADIR= `SELECT @@datadir`;
let INNODB_PAGE_SIZE=`select @@innodb_page_size`;
create table t1(f1 int not null)engine=innodb;
insert into t1 values(1), (2), (3);
let $resultlog=$MYSQLTEST_VARDIR/tmp/result.log;
let $restart_noprint=2;
--source include/shutdown_mysqld.inc
--echo # Change the page offset
perl;
use strict;
use warnings;
use Fcntl qw(:DEFAULT :seek);
do "$ENV{MTR_SUITE_DIR}/../innodb/include/crc32.pl";
my $page_size = $ENV{INNODB_PAGE_SIZE};
sysopen IBD_FILE, "$ENV{MYSQLD_DATADIR}/test/t1.ibd", O_RDWR
|| die "Cannot open t1.ibd\n";
sysread(IBD_FILE, $_, 58) || die "Cannot read t1.ibd\n";
my ($space,$flags) = unpack("x[34]Nx[16]N", $_);
my $full_crc32 = $flags & 0x10;
sysseek(IBD_FILE, $page_size * 3, SEEK_SET) || die "Cannot seek t1.ibd\n";
my $page= pack("NNx[18]NNN", 0, 4, 1, 0, $space).(chr(0) x ($page_size - 38));
# Calculate innodb_checksum_algorithm=crc32 or full_crc32.
my $polynomial = 0x82f63b78; # CRC-32C
if ($full_crc32)
{
my $ck = mycrc32(substr($page, 0, $page_size-4), 0, $polynomial);
substr($page, $page_size-4, 4) = pack("N", $ck);
}
else
{
# The following bytes are excluded:
# 0..3 (the checksum is stored there)
# 26..37 (encryption key version, post-encryption checksum, tablespace id)
# $page_size-8..$page_size-1 (checksum, LSB of FIL_PAGE_LSN)
my $ck= pack("N",mycrc32(substr($page, 4, 22), 0, $polynomial) ^
mycrc32(substr($page, 38, $page_size-38-8), 0, $polynomial));
substr($page,0,4)=$ck;
substr($page,$page_size-8,4)=$ck;
}
die unless syswrite(IBD_FILE, $page, $page_size) == $page_size;
close IBD_FILE;
EOF
--error 1
exec $INNOCHECKSUM -C crc32 -l $resultlog $MYSQLD_DATADIR/test/t1.ibd;
let SEARCH_FILE = $MYSQLTEST_VARDIR/tmp/result.log;
let SEARCH_PATTERN=page id mismatch;
--source include/search_pattern_in_file.inc
--remove_file $resultlog
--source include/start_mysqld.inc
drop table t1;
|
