# Crash-safe InnoDB ALTER operations

--source include/not_valgrind.inc
--source include/not_embedded.inc
--source include/have_innodb.inc
--source include/have_debug.inc
--source include/not_crashrep.inc

--disable_query_log
call mtr.add_suppression('InnoDB: Flagged corruption of c[23]');
--enable_query_log

--echo #
--echo # Bug#20015132 ALTER TABLE FAILS TO CHECK IF TABLE IS CORRUPTED
--echo #

CREATE TABLE t1(c1 INT PRIMARY KEY, c2 CHAR(1), c3 INT UNSIGNED) ENGINE=InnoDB;
SET @saved_debug_dbug = @@SESSION.debug_dbug;
SET DEBUG_DBUG='+d,create_index_metadata_fail';
--error ER_RECORD_FILE_FULL
ALTER TABLE t1 ADD INDEX (c2), ADD INDEX (c3);

SET DEBUG_DBUG='+d,ib_create_table_fail_too_many_trx';
--error ER_TOO_MANY_CONCURRENT_TRXS
ALTER TABLE t1 ADD INDEX (c2), ADD INDEX (c3);

SET DEBUG_DBUG=@saved_debug_dbug;
ALTER TABLE t1 ADD INDEX (c2), ADD INDEX (c3);
# Flag the secondary indexes corrupted.
SET DEBUG_DBUG='+d,dict_set_index_corrupted';
CHECK TABLE t1;

# Ensure that the corruption is permanent.
--source include/restart_mysqld.inc
CHECK TABLE t1;
ALTER TABLE t1 DROP INDEX c2;
CHECK TABLE t1;
# We refuse an ALTER TABLE that would modify the InnoDB data dictionary
# while leaving some of the table corrupted.
--error ER_INDEX_CORRUPT
ALTER TABLE t1 ADD INDEX (c2,c3);
# This will rebuild the table, uncorrupting all secondary indexes.
ALTER TABLE t1 CHANGE c3 c3 INT NOT NULL;
CHECK TABLE t1;
ALTER TABLE t1 ADD INDEX (c2,c3);
DROP TABLE t1;

let $MYSQLD_DATADIR= `select @@datadir`;
let datadir= `select @@datadir`;

# These are from include/shutdown_mysqld.inc and allow to call start_mysqld.inc
--let $_server_id= `SELECT @@server_id`
--let $_expect_file_name= $MYSQLTEST_VARDIR/tmp/mysqld.$_server_id.expect

--echo #
--echo # Bug #14669848 CRASH DURING ALTER MAKES ORIGINAL TABLE INACCESSIBLE
--echo #
--echo # -- Scenario 1:
--echo # Crash the server in ha_innobase::commit_inplace_alter_table()
--echo # just after committing the dictionary changes.

CREATE TABLE t1 (f1 INT NOT NULL, f2 INT NOT NULL) ENGINE=innodb;
INSERT INTO t1 VALUES (1,2),(3,4);
SET DEBUG_DBUG='+d,innodb_alter_commit_crash_after_commit';

let $orig_table_id = `SELECT table_id
	FROM information_schema.innodb_sys_tables
	WHERE name = 'test/t1'`;

# Write file to make mysql-test-run.pl expect crash
--exec echo "restart" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect

--error 2013
ALTER TABLE t1 ADD PRIMARY KEY (f2, f1);

--echo # Restart mysqld after the crash and reconnect.
--source include/start_mysqld.inc

let $temp_table_name = `SELECT SUBSTR(name, 6)
	FROM information_schema.innodb_sys_tables
	WHERE table_id = $orig_table_id`;

--echo # Manual *.frm recovery begin.

--move_file $MYSQLD_DATADIR/test/t1.frm $MYSQLD_DATADIR/test/$temp_table_name.frm

perl;
my @frm_file = glob "$ENV{'datadir'}/test/#sql-*.frm";
my $t1_frm = "$ENV{'datadir'}/test/t1.frm";
rename($frm_file[0], $t1_frm);
EOF

--echo # Manual recovery end

FLUSH TABLES;

--echo # Drop the orphaned original table.
--disable_query_log
eval DROP TABLE `#mysql50#$temp_table_name`;
--enable_query_log

--echo # Files in datadir after manual recovery.
--list_files $MYSQLD_DATADIR/test

SHOW TABLES;
SHOW CREATE TABLE t1;
INSERT INTO t1 VALUES (5,6),(7,8);
SELECT * FROM t1;
DROP TABLE t1;

CREATE TABLE t1 (f1 INT NOT NULL, f2 INT NOT NULL) ENGINE=InnoDB;
ALTER TABLE t1 ADD PRIMARY KEY (f2, f1);
DROP TABLE t1;

--echo # -- Scenario 2:
--echo # Crash the server in ha_innobase::commit_inplace_alter_table()
--echo # just before committing the dictionary changes, but after
--echo # writing the MLOG_FILE_RENAME records. As the mini-transaction
--echo # is not committed, the renames will not be replayed.

CREATE TABLE t2 (f1 int not null, f2 int not null) ENGINE=InnoDB;
INSERT INTO t2 VALUES (1,2),(3,4);
SET DEBUG_DBUG='+d,innodb_alter_commit_crash_before_commit';

let $orig_table_id = `SELECT table_id
	FROM information_schema.innodb_sys_tables
	WHERE name = 'test/t2'`;

# Write file to make mysql-test-run.pl expect crash
--exec echo "restart" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect

--error 2013
ALTER TABLE t2 ADD PRIMARY KEY (f2, f1);

--echo # Startup the server after the crash
--source include/start_mysqld.inc

--echo # Read and remember the temporary table name
let $temp_table_name = `SELECT SUBSTRING(name,6)
	FROM information_schema.innodb_sys_tables
	WHERE name LIKE "test/#sql-ib$orig_table_id%"`;
# This second copy is an environment variable for the perl script below.
let temp_table_name = $temp_table_name;

--echo # Manual *.frm recovery begin. The dictionary was not updated
--echo # and the files were not renamed. The rebuilt table
--echo # was left behind on purpose, to faciliate data recovery.

perl;
my @frm_file = glob "$ENV{'datadir'}/test/#sql-*.frm";
my $target_frm = "$ENV{'datadir'}/test/$ENV{'temp_table_name'}.frm";
rename($frm_file[0], $target_frm);
EOF

--echo # Manual recovery end

--echo # Drop the orphaned rebuilt table.
--disable_query_log
eval DROP TABLE `#mysql50#$temp_table_name`;
--enable_query_log

SHOW TABLES;
INSERT INTO t2 VALUES (5,6),(7,8);
SELECT * from t2;
SHOW CREATE TABLE t2;
DROP TABLE t2;

CREATE TABLE t2 (f1 INT NOT NULL, f2 INT NOT NULL) ENGINE=InnoDB;
ALTER TABLE t2 ADD PRIMARY KEY (f2, f1);
DROP TABLE t2;
--list_files $MYSQLD_DATADIR/test

--echo # -------------------------
--echo # End of Testing Scenario 2
--echo # -------------------------

--echo #
--echo # Bug#19330255 WL#7142 - CRASH DURING ALTER TABLE LEADS TO
--echo # DATA DICTIONARY INCONSISTENCY
--echo #

CREATE TABLE t1(a int PRIMARY KEY, b varchar(255), c int NOT NULL)
ENGINE=InnoDB;
INSERT INTO t1 SET a=1,c=2;
SET DEBUG_DBUG='+d,innodb_alter_commit_crash_after_commit';

let $orig_table_id = `select table_id from
  information_schema.innodb_sys_tables where name = 'test/t1'`;

# FIXME: MDEV-9469 'Incorrect key file' on ALTER TABLE
# Write file to make mysql-test-run.pl expect crash
--exec echo "restart" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
#
--error 2013
ALTER TABLE t1 ADD INDEX (b), CHANGE c d int, ALGORITHM=INPLACE;

--echo # Restart mysqld after the crash and reconnect.
--source include/start_mysqld.inc

let $temp_table_name = `SELECT SUBSTR(name, 6)
	FROM information_schema.innodb_sys_tables
	WHERE table_id = $orig_table_id`;

--echo # Manual *.frm recovery begin.
--move_file $MYSQLD_DATADIR/test/t1.frm $MYSQLD_DATADIR/test/$temp_table_name.frm

perl;
my @frm_file = glob "$ENV{'datadir'}/test/#sql-*.frm";
my $t1_frm = "$ENV{'datadir'}/test/t1.frm";
rename($frm_file[0], $t1_frm);
EOF

--echo # Manual recovery end

FLUSH TABLES;

--echo # Drop the orphaned original table.
--disable_query_log
eval DROP TABLE `#mysql50#$temp_table_name`;
--enable_query_log

--echo # Files in datadir after manual recovery.
--list_files $MYSQLD_DATADIR/test

SHOW TABLES;
SHOW CREATE TABLE t1;
UPDATE t1 SET d=NULL;
SELECT * FROM t1;
DROP TABLE t1;