--source include/have_innodb.inc --source include/not_embedded.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; --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, $_, 38) || die "Cannot read t1.ibd\n"; my $space = unpack("x[34]N", $_); sysseek(IBD_FILE, $page_size * 3, SEEK_SET) || die "Cannot seek t1.ibd\n"; my $head = pack("Nx[18]", 4); # better to have a valid page number my $body = chr(0) x ($page_size - 38 - 8); # Calculate innodb_checksum_algorithm=crc32 for the unencrypted page. # The following bytes are excluded: # bytes 0..3 (the checksum is stored there) # bytes 26..37 (encryption key version, post-encryption checksum, tablespace id) # bytes $page_size-8..$page_size-1 (checksum, LSB of FIL_PAGE_LSN) my $polynomial = 0x82f63b78; # CRC-32C my $ck = mycrc32($head, 0, $polynomial) ^ mycrc32($body, 0, $polynomial); my $page= pack("N",$ck).$head.pack("NNN",1,$ck,$space).$body.pack("Nx[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;