# Test resizing the InnoDB redo log.
--source include/innodb_page_size_small.inc
# Embedded server tests do not support restarting
--source include/not_embedded.inc
# DBUG_EXECUTE_IF is needed
--source include/have_debug.inc
# This test is slow on buildbot.
--source include/big_test.inc

--disable_query_log
call mtr.add_suppression("syntax error in innodb_log_group_home_dir");
call mtr.add_suppression("Plugin 'InnoDB' init function returned error");
call mtr.add_suppression("Plugin 'InnoDB' registration as a STORAGE ENGINE failed");
call mtr.add_suppression("InnoDB: Plugin initialization aborted");
call mtr.add_suppression("InnoDB: innodb_read_only prevents crash recovery");
call mtr.add_suppression("InnoDB: Log file .*ib_logfile1.* size");
call mtr.add_suppression("InnoDB: File .*ib_logfile0 (is too small|was not found)");
call mtr.add_suppression("InnoDB: Expecting only ib_logfile0");
FLUSH TABLES;
--enable_query_log
let MYSQLD_DATADIR= `select @@datadir`;
CREATE TABLE t1(a INT PRIMARY KEY) ENGINE=InnoDB;

--source include/shutdown_mysqld.inc
perl;
do "$ENV{MTR_SUITE_DIR}/include/crc32.pl";
my $file = "$ENV{MYSQLD_DATADIR}ib_logfile0";
open(FILE, "<$file") || die "Unable to open $file\n";
seek(FILE, 4096, 0) || die "Unable to seek $file\n";
die unless read(FILE, $_, 8) == 8;
my ($lsn_hi,$lsn_lo) = unpack("NN", $_);
seek(FILE, 8192, 0) || die "Unable to seek $file\n";
die unless read(FILE, $_, 8) == 8;
my ($cp2hi,$cp2lo) = unpack("NN", $_);
if ($cp2hi < $lsn_hi) {}
elsif ($cp2hi > $lsn_hi || $cp2lo > $lsn_lo)
{ $lsn_hi=$cp2hi;$lsn_lo=$cp2lo; }
close(FILE);
open(FILE, ">", $file) or die "Unable to open $file\n";
binmode FILE;
my $polynomial = 0x82f63b78; # CRC-32C
my ($header, $checkpoint, $log);
$header = "Phys" . pack("x[4]NN", $lsn_hi, $lsn_lo) .
          "some Perl code" . pack("x[478]");
$header .= pack("Nx[3584]", mycrc32($header, 0, $polynomial));
$checkpoint = pack("NNNNx[44]", $lsn_hi, $lsn_lo, $lsn_hi, $lsn_lo);
$checkpoint .= pack("Nx[8128]", mycrc32($checkpoint, 0, $polynomial));
$log = pack("CxxNN", 0xfa, $lsn_hi, $lsn_lo);
$log .= pack("CN", 1, mycrc32($log, 0, $polynomial));
print FILE $header, $checkpoint, $log;
close(FILE) or die "Unable to close $file\n";
EOF

let $check_no_innodb=SELECT * FROM INFORMATION_SCHEMA.ENGINES
WHERE engine = 'innodb'
AND support IN ('YES', 'DEFAULT', 'ENABLED');

--let $restart_parameters= --innodb-log-file-size=4m
--source include/start_mysqld.inc

let SEARCH_FILE= $MYSQLTEST_VARDIR/log/mysqld.1.err;
CHECK TABLE t1;

--let $restart_parameters= --innodb-log-file-size=20M
--source include/restart_mysqld.inc

BEGIN;
INSERT INTO t1 VALUES (42);

let $restart_parameters = --innodb-log-file-size=12M;
let $shutdown_timeout=0;
--source include/restart_mysqld.inc

SELECT * FROM t1;

INSERT INTO t1 VALUES (42);
BEGIN;
DELETE FROM t1;

let $restart_parameters = --innodb-log-file-size=5M;
--source include/restart_mysqld.inc
let $shutdown_timeout=;

SELECT * FROM t1;

INSERT INTO t1 VALUES (0),(123);

let SEARCH_ABORT = NOT FOUND;

BEGIN;
DELETE FROM t1 WHERE a>0;

--echo # Persist the state of the above incomplete transaction by
--echo # causing a redo log write for another transaction.
--connect(con1, localhost, root)
SET GLOBAL innodb_flush_log_at_trx_commit=1;
DELETE FROM t1 WHERE a=0;
--disconnect con1
--connection default

--source include/kill_mysqld.inc

--let $restart_parameters= --innodb-log-group-home-dir=foo\;bar
--source include/start_mysqld.inc
--error ER_UNKNOWN_STORAGE_ENGINE
SELECT * FROM t1;
let SEARCH_PATTERN= syntax error in innodb_log_group_home_dir;
--source include/search_pattern_in_file.inc

--let $restart_parameters= --debug-dbug=d,innodb_log_abort_1
--source include/restart_mysqld.inc
--error ER_UNKNOWN_STORAGE_ENGINE
SELECT * FROM t1;
let SEARCH_PATTERN= InnoDB: Starting crash recovery from checkpoint LSN=.*;
--source include/search_pattern_in_file.inc

--let $restart_parameters= --innodb-read-only
--source include/restart_mysqld.inc

--error ER_UNKNOWN_STORAGE_ENGINE
SELECT * FROM t1;
let SEARCH_PATTERN= InnoDB: innodb_read_only prevents crash recovery;
--source include/search_pattern_in_file.inc

--let $restart_parameters= --debug-dbug=d,innodb_log_abort_5
--source include/restart_mysqld.inc
--error ER_UNKNOWN_STORAGE_ENGINE
SELECT * FROM t1;
let SEARCH_PATTERN= redo log from 5\\.000MiB to [0-9.]*[KMGT]iB;
--source include/search_pattern_in_file.inc

--let $restart_parameters= --innodb-read-only
--source include/restart_mysqld.inc
--error ER_UNKNOWN_STORAGE_ENGINE
SELECT * FROM t1;
let SEARCH_PATTERN= InnoDB: innodb_read_only prevents crash recovery;
--source include/search_pattern_in_file.inc

# Trigger an error in recovery.

--move_file $MYSQLD_DATADIR/ib_logfile0 $MYSQLD_DATADIR/ib_logfile101
--write_file $MYSQLD_DATADIR/ib_logfile0
garbage
EOF

--let $restart_parameters=
--source include/restart_mysqld.inc
--error ER_UNKNOWN_STORAGE_ENGINE
SELECT * FROM t1;
let SEARCH_PATTERN= InnoDB: File .*ib_logfile0 is too small;
--source include/search_pattern_in_file.inc
--move_file $MYSQLD_DATADIR/ib_logfile0 $MYSQLD_DATADIR/ib_logfile1
--move_file $MYSQLD_DATADIR/ib_logfile101 $MYSQLD_DATADIR/ib_logfile0

--source include/restart_mysqld.inc
--error ER_UNKNOWN_STORAGE_ENGINE
SELECT * FROM t1;
let SEARCH_PATTERN= InnoDB: Expecting only ib_logfile0;
--source include/search_pattern_in_file.inc

--remove_file $MYSQLD_DATADIR/ib_logfile1
--move_file $MYSQLD_DATADIR/ib_logfile0 $MYSQLD_DATADIR/ib_logfile101

--source include/restart_mysqld.inc
--error ER_UNKNOWN_STORAGE_ENGINE
let SEARCH_PATTERN= InnoDB: File .*ib_logfile0 was not found;
--source include/search_pattern_in_file.inc
--move_file $MYSQLD_DATADIR/ib_logfile101 $MYSQLD_DATADIR/ib_logfile0

--source include/restart_mysqld.inc
SELECT * FROM t1;
DROP TABLE t1;

--let SEARCH_PATTERN= InnoDB: Resizing redo log from 5\\.000MiB to [0-9.]*[KMGT]iB; LSN=\\d+\\b
--source include/search_pattern_in_file.inc