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--echo #
--echo # Bug #20445525 ADD A CONSISTENCY CHECK AGAINST DB_TRX_ID BEING
--echo # IN THE FUTURE
--echo #
--source include/not_debug.inc
--source include/have_innodb.inc
--source include/not_embedded.inc
perl;
open(OUT, ">$ENV{MYSQLTEST_VARDIR}/log/check.txt") || die;
print OUT "--skip innodb_checksum_algorithm=crc32 needs little-endian\n"
unless unpack("L","macs")==unpack("N","scam");
close(OUT);
EOF
--source $MYSQLTEST_VARDIR/log/check.txt
--remove_file $MYSQLTEST_VARDIR/log/check.txt
let PAGE_SIZE=`select @@innodb_page_size`;
CREATE TABLE t1(a INT) row_format=redundant engine=innoDB;
INSERT INTO t1 VALUES(1);
let MYSQLD_DATADIR=`select @@datadir`;
--source include/shutdown_mysqld.inc
perl;
do "$ENV{MTR_SUITE_DIR}/include/crc32.pl";
my $file = "$ENV{MYSQLD_DATADIR}/test/t1.ibd";
open(FILE, "+<", $file) || die "Unable to open $file";
binmode FILE;
#Seek the the infimum record and get the offset to next record
#Infimum record exist at offset 101 for redundant format
#And offset to the next record is present 2 bytes prior to
#infimum record
my $ps= $ENV{PAGE_SIZE};
my $page;
sysseek(FILE, 3*$ps, 0) || die "Unable to seek $file\n";
die "Unable to read $file" unless sysread(FILE, $page, $ps) == $ps;
#In this case the first record should be at offset 135
die unless unpack("n", substr($page, 99, 2)) == 135;
substr($page,135+6,6) = "\xff" x 6;
my $polynomial = 0x82f63b78; # CRC-32C
my $ck= pack("N",mycrc32(substr($page, 4, 22), 0, $polynomial) ^
mycrc32(substr($page, 38, $ps - 38 - 8), 0, $polynomial));
substr($page,0,4)=$ck;
substr($page,$ps-8,4)=$ck;
sysseek(FILE, 3*$ps, 0) || die "Unable to rewind $file\n";
syswrite(FILE, $page, $ps)==$ps || die "Unable to write $file\n";
close(FILE) || die "Unable to close $file";
EOF
--source include/start_mysqld.inc
let SEARCH_FILE= $MYSQLTEST_VARDIR/log/mysqld.1.err;
let SEARCH_PATTERN= \[Warning\] InnoDB: A transaction id in a record of table `test`\.`t1` is newer than the system-wide maximum;
--source include/search_pattern_in_file.inc
call mtr.add_suppression("\\[Warning\\] InnoDB: A transaction id in a record of table `test`\\.`t1` is newer than the system-wide maximum");
SELECT * FROM t1;
DROP TABLE t1;
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