# 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

if (`SELECT @@innodb_log_file_size = 1048576`) {
  --skip Test requires innodb_log_file_size>1M.
}

--disable_query_log
call mtr.add_suppression("InnoDB: The log sequence numbers [0-9]+ and [0-9]+ in ibdata files do not match the log sequence number [0-9]+ in the ib_logfiles");
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: Are you sure you are using the right ib_logfiles");
call mtr.add_suppression("InnoDB: Cannot (create|resize) log files in read-only mode");
call mtr.add_suppression("InnoDB: Can't initiate database recovery, running in read-only-mode");
call mtr.add_suppression("InnoDB: Only one log file found");
call mtr.add_suppression("InnoDB: Log file .*ib_logfile[01].* size");
call mtr.add_suppression("InnoDB: Unable to open .*ib_logfile0. to check native AIO read support");
FLUSH TABLES;
--enable_query_log
let MYSQLD_DATADIR= `select @@datadir`;
CREATE TABLE t1(a INT PRIMARY KEY) ENGINE=InnoDB;

--source include/shutdown_mysqld.inc
--move_file $MYSQLD_DATADIR/ib_logfile0 $MYSQLD_DATADIR/ib_logfile.old
write_file $MYSQLD_DATADIR/ib_logfile0;
EOF
let $check_no_innodb=SELECT * FROM INFORMATION_SCHEMA.ENGINES
WHERE engine = 'innodb'
AND support IN ('YES', 'DEFAULT', 'ENABLED');

--let $restart_parameters= --innodb-thread-concurrency=1 --innodb-log-file-size=1m --innodb-log-files-in-group=2
--source include/start_mysqld.inc

eval $check_no_innodb;
--remove_file $MYSQLD_DATADIR/ib_logfile0
--move_file $MYSQLD_DATADIR/ib_logfile.old $MYSQLD_DATADIR/ib_logfile.0
--source include/shutdown_mysqld.inc
let SEARCH_FILE= $MYSQLTEST_VARDIR/log/mysqld.1.err;
let SEARCH_PATTERN= InnoDB: Log file .*ib_logfile1 is of different size .* bytes than other log files 0 bytes!;
--source include/search_pattern_in_file.inc
--source include/start_mysqld.inc
CHECK TABLE t1;

--let $restart_parameters= --innodb-thread-concurrency=100 --innodb-log-file-size=10M --innodb-log-files-in-group=2
--source include/restart_mysqld.inc

BEGIN;
INSERT INTO t1 VALUES (42);

let $restart_parameters = --innodb-log-file-size=6M;
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-files-in-group=3 --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=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= --debug=d,innodb_log_abort_3
--source include/restart_mysqld.inc
--error ER_UNKNOWN_STORAGE_ENGINE
SELECT * FROM t1;

--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=d,innodb_log_abort_4
--source include/restart_mysqld.inc
--error ER_UNKNOWN_STORAGE_ENGINE
SELECT * FROM t1;
let SEARCH_PATTERN= redo log from 3\*[0-9]+ to 2\*[0-9]+ bytes;
--source include/search_pattern_in_file.inc

--let $restart_parameters= --debug=d,innodb_log_abort_5
--source include/restart_mysqld.inc
--error ER_UNKNOWN_STORAGE_ENGINE
SELECT * FROM t1;
let SEARCH_PATTERN= redo log from 3\*[0-9]+ to 2\*[0-9]+ bytes;
--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=d,innodb_log_abort_6
--source include/restart_mysqld.inc
--error ER_UNKNOWN_STORAGE_ENGINE
SELECT * FROM t1;

let SEARCH_PATTERN= redo log from 3\*[0-9]+ to 2\*[0-9]+ bytes;
--source include/search_pattern_in_file.inc

--let $restart_parameters= --debug=d,innodb_log_abort_7
--source include/restart_mysqld.inc
--error ER_UNKNOWN_STORAGE_ENGINE
SELECT * FROM t1;

# this aborts right after deleting all log files

--let $restart_parameters= --innodb-read-only
--source include/restart_mysqld.inc
--error ER_UNKNOWN_STORAGE_ENGINE
SELECT * FROM t1;

let SEARCH_PATTERN= InnoDB: Cannot create log files in read-only mode;
--source include/search_pattern_in_file.inc

--let $restart_parameters= --debug=d,innodb_log_abort_8
--source include/restart_mysqld.inc
--error ER_UNKNOWN_STORAGE_ENGINE
SELECT * FROM t1;

let SEARCH_PATTERN= InnoDB: Setting log file .*ib_logfile[0-9]+ size to;
--source include/search_pattern_in_file.inc

--let $restart_parameters= --debug=d,innodb_log_abort_9
--source include/restart_mysqld.inc
--error ER_UNKNOWN_STORAGE_ENGINE
SELECT * FROM t1;

let SEARCH_PATTERN= InnoDB: Setting log file .*ib_logfile[0-9]+ size to;
--source include/search_pattern_in_file.inc
--source include/shutdown_mysqld.inc

# We should have perfectly synced files here.
# Rename the log files, and trigger an error in recovery.
--move_file $MYSQLD_DATADIR/ib_logfile1 $MYSQLD_DATADIR/ib_logfile1_hidden

perl;
die unless open(FILE, ">$ENV{MYSQLD_DATADIR}/ib_logfile0");
print FILE "garbage";
close(FILE);
EOF

--source include/start_mysqld.inc
--error ER_UNKNOWN_STORAGE_ENGINE
SELECT * FROM t1;
let SEARCH_PATTERN= InnoDB: Log file .*ib_logfile0 size 7 is not a multiple of 512 bytes;
--source include/search_pattern_in_file.inc
--remove_file $MYSQLD_DATADIR/ib_logfile0
--move_file $MYSQLD_DATADIR/ib_logfile101 $MYSQLD_DATADIR/ib_logfile0

perl;
die unless open(FILE, ">$ENV{MYSQLD_DATADIR}/ib_logfile1");
print FILE "junkfill" x 131072;
close(FILE);
EOF

--source include/restart_mysqld.inc
--error ER_UNKNOWN_STORAGE_ENGINE
SELECT * FROM t1;

let SEARCH_PATTERN= InnoDB: Log file .*ib_logfile1 is of different size 1048576 bytes than other log files;
--source include/search_pattern_in_file.inc
--remove_file $MYSQLD_DATADIR/ib_logfile1
--move_file $MYSQLD_DATADIR/ib_logfile0 $MYSQLD_DATADIR/ib_logfile101
--move_file $MYSQLD_DATADIR/ib_logfile1_hidden $MYSQLD_DATADIR/ib_logfile1

--let $restart_parameters= --debug=d,innodb_log_abort_10
--source include/restart_mysqld.inc
--error ER_UNKNOWN_STORAGE_ENGINE
SELECT * FROM t1;

let SEARCH_PATTERN= InnoDB: Setting log file .*ib_logfile[0-9]+ size to;
--source include/search_pattern_in_file.inc
let SEARCH_PATTERN= InnoDB: Renaming log file .*ib_logfile101 to .*ib_logfile0;
--source include/search_pattern_in_file.inc

--let $restart_parameters=
--source include/restart_mysqld.inc

SELECT * FROM t1;
DROP TABLE t1;