# 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/have_debug_sync.inc
--source include/not_crashrep.inc

--disable_query_log
call mtr.add_suppression('InnoDB: Flagged corruption of `c[23]`');
call mtr.add_suppression('InnoDB: Index `c[23]` .*is corrupted');
--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 $_expect_file_name= `select regexp_replace(@@tmpdir, '^.*/','')`
--let $_expect_file_name= $MYSQLTEST_VARDIR/tmp/$_expect_file_name.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
--write_line 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

--replace_result $orig_table_id ID
eval SELECT * FROM information_schema.innodb_sys_tables
WHERE table_id = $orig_table_id;

--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
--write_line 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

SELECT * FROM information_schema.innodb_sys_tables
WHERE name LIKE 'test/#sql-%';

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'`;

# Write file to make mysql-test-run.pl expect crash
--write_line 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

--replace_result $orig_table_id ID
eval SELECT * FROM information_schema.innodb_sys_tables
WHERE table_id = $orig_table_id;

--list_files $MYSQLD_DATADIR/test

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

--echo #
--echo # MDEV-22637 Rollback of insert fails when column reorder happens
--echo #
SET @@SQL_MODE = REPLACE(@@SQL_MODE, 'STRICT_TRANS_TABLES', '');
SET @@SQL_MODE = REPLACE(@@SQL_MODE, 'STRICT_ALL_TABLES', '');
CREATE TABLE t1(f1 INT NOT NULL, f2 CHAR(100),
		f3 CHAR(100), f4 CHAR(100))ENGINE=InnoDB;
INSERT INTO t1 VALUES(1, "This is column2", "This is column3",
		      "This is column4");
set DEBUG_SYNC = 'row_log_table_apply1_before SIGNAL scanned WAIT_FOR insert_done';
--send ALTER TABLE t1 ADD COLUMN f6 int after f3, add primary key(f6, f4(3), f3(3))
connect(con1,localhost,root,,);
SET DEBUG_SYNC = 'now WAIT_FOR scanned';
BEGIN;
INSERT INTO t1(f1, f2) VALUES(2, "This is column2 value");
ROLLBACK;
set DEBUG_SYNC = 'now SIGNAL insert_done';

connection default;
reap;
SHOW CREATE TABLE t1;
SELECT COUNT(*) FROM t1;
disconnect con1;
DROP TABLE t1;
SET DEBUG_SYNC = 'RESET';
SET SQL_MODE=DEFAULT;

--echo #
--echo # MDEV-26936 Recovery crash on rolling back DELETE FROM SYS_INDEXES
--echo #

CREATE TABLE t1(a INT PRIMARY KEY, b INT) ENGINE=InnoDB;
INSERT INTO t1 VALUES(1,1);

connect ddl, localhost, root;
SET DEBUG_SYNC = 'row_merge_after_scan SIGNAL scanned WAIT_FOR commit';
SET DEBUG_SYNC = 'before_commit_rollback_inplace SIGNAL c WAIT_FOR ever';
send ALTER TABLE t1 ADD UNIQUE INDEX(b), ALGORITHM=INPLACE;

connection default;
SET DEBUG_SYNC = 'now WAIT_FOR scanned';
BEGIN;
INSERT INTO t1 VALUES(2,1);
COMMIT;
SET DEBUG_SYNC = 'now SIGNAL commit';
SET DEBUG_SYNC = 'now WAIT_FOR c';
# Make all pending changes durable for recovery.
SET GLOBAL innodb_fil_make_page_dirty_debug=0;

--source include/kill_mysqld.inc
disconnect ddl;
--source include/start_mysqld.inc

CHECK TABLE t1;
SHOW CREATE TABLE t1;
SELECT * FROM t1;
DROP TABLE t1;