--source include/no_valgrind_without_big.inc
# Skipping the test when binlog_format=STATEMENT due to unsafe statements:
# unsafe auto-increment column.
--source include/not_binlog_format_statement.inc

--echo # This test case is introduced to test the persisted autoinc, basic
--echo # autoinc features are not the main part of this one.

--disable_query_log
CALL mtr.add_suppression("\\[ERROR\\].*MLOG_FILE_RENAME: Invalid to file name");
--enable_query_log

--echo # Pre-create several tables

CREATE TABLE t1(a TINYINT AUTO_INCREMENT KEY) ENGINE = InnoDB;
INSERT INTO t1 VALUES(0), (0), (0), (0), (-1), (-10), (0),
(20), (30), (31);
SELECT * FROM t1;

CREATE TABLE t2(a TINYINT UNSIGNED AUTO_INCREMENT KEY) ENGINE = InnoDB;
--error ER_WARN_DATA_OUT_OF_RANGE
INSERT INTO t2 VALUES(-5);
INSERT INTO t2 VALUES(0), (0), (0), (0), (8), (10), (0),
(20), (30), (31);
SELECT * FROM t2;

CREATE TABLE t3(a SMALLINT AUTO_INCREMENT KEY) ENGINE = InnoDB;
INSERT INTO t3 VALUES(0), (0), (0), (0), (-1), (-10), (0),
(20), (30), (31), (1024), (4096);
SELECT * FROM t3;

CREATE TABLE t4(a SMALLINT UNSIGNED AUTO_INCREMENT KEY) ENGINE = InnoDB;
--error ER_WARN_DATA_OUT_OF_RANGE
INSERT INTO t4 VALUES(-5);
INSERT INTO t4 VALUES(0), (0), (0), (0), (8), (10), (0),
(20), (30), (31), (1024), (4096);
SELECT * FROM t4;

CREATE TABLE t5(a MEDIUMINT AUTO_INCREMENT KEY) ENGINE = InnoDB;
INSERT INTO t5 VALUES(0), (0), (0), (0), (-1), (-10), (0),
(20), (30), (31), (1000000), (1000005);
SELECT * FROM t5;

CREATE TABLE t6(a MEDIUMINT UNSIGNED AUTO_INCREMENT KEY) ENGINE = InnoDB;
--error ER_WARN_DATA_OUT_OF_RANGE
INSERT INTO t6 VALUES(-5);
INSERT INTO t6 VALUES(0), (0), (0), (0), (8), (10), (0),
(20), (30), (31), (1000000), (1000005);
SELECT * FROM t6;

CREATE TABLE t7(a INT AUTO_INCREMENT KEY) ENGINE = InnoDB;
INSERT INTO t7 VALUES(0), (0), (0), (0), (-1), (-10), (0),
(20), (30), (31), (100000000), (100000008);
SELECT * FROM t7;

CREATE TABLE t8(a INT UNSIGNED AUTO_INCREMENT KEY) ENGINE = InnoDB;
--error ER_WARN_DATA_OUT_OF_RANGE
INSERT INTO t8 VALUES(-5);
INSERT INTO t8 VALUES(0), (0), (0), (0), (8), (10), (0),
(20), (30), (31), (100000000), (100000008);
SELECT * FROM t8;

CREATE TABLE t9(a BIGINT AUTO_INCREMENT KEY) ENGINE = InnoDB;
INSERT INTO t9 VALUES(0), (0), (0), (0), (-1), (-10), (0),
(20), (30), (31), (100000000000), (100000000006);
SELECT * FROM t9;

CREATE TABLE t10(a BIGINT UNSIGNED AUTO_INCREMENT KEY) ENGINE = InnoDB;
--error ER_WARN_DATA_OUT_OF_RANGE
INSERT INTO t10 VALUES(-5);
INSERT INTO t10 VALUES(0), (0), (0), (0), (8), (10), (0),
(20), (30), (31), (100000000000), (100000000006);
SELECT * FROM t10;

CREATE TABLE t11(a FLOAT AUTO_INCREMENT KEY) ENGINE = InnoDB;
INSERT INTO t11 VALUES(0), (0), (0), (0), (-1), (-10), (0),
(20), (30), (31);
SELECT * FROM t11;

# Since autoinc counter is persisted by redo logs, we don't want to
# lose them on kill and restart, so to make the result after restart stable.
set global innodb_flush_log_at_trx_commit=1;

CREATE TABLE t12(a DOUBLE AUTO_INCREMENT KEY) ENGINE = InnoDB;
INSERT INTO t12 VALUES(0), (0), (0), (0), (-1), (-10), (0),
(20), (30), (31);
SELECT * FROM t12;

CREATE TABLE t13(a INT AUTO_INCREMENT PRIMARY KEY) ENGINE = InnoDB,
AUTO_INCREMENT = 1234;

--echo # Scenario 1: Normal restart, to test if the counters are persisted
--source include/restart_mysqld.inc

--echo # We expect these results should be equal to above SELECTs
SELECT * FROM t1;
SELECT * FROM t2;
SELECT * FROM t3;
SELECT * FROM t4;
SELECT * FROM t5;
SELECT * FROM t6;
SELECT * FROM t7;
SELECT * FROM t8;
SELECT * FROM t9;
SELECT * FROM t10;
SELECT * FROM t11;
SELECT * FROM t12;

SELECT * FROM t13;
SHOW CREATE TABLE t13;
INSERT INTO t13 VALUES(0);
SELECT a AS `Expect 1234` FROM t13;

--echo # Scenario 2: Delete some values, to test the counters should not be the
--echo # one which is the largest in current table

set global innodb_flush_log_at_trx_commit=1;

DELETE FROM t1 WHERE a > 30;
SELECT MAX(a) AS `Expect 30` FROM t1;
DELETE FROM t3 WHERE a > 2000;
SELECT MAX(a) AS `Expect 2000` FROM t3;
DELETE FROM t5 WHERE a > 1000000;
SELECT MAX(a) AS `Expect 1000000` FROM t5;
DELETE FROM t7 WHERE a > 100000000;
SELECT MAX(a) AS `Expect 100000000` FROM t7;
DELETE FROM t9 WHERE a > 100000000000;
SELECT MAX(a) AS `Expect 100000000000` FROM t9;

--source include/restart_mysqld.inc

INSERT INTO t1 VALUES(0), (0);
SELECT MAX(a) AS `Expect 33` FROM t1;
INSERT INTO t3 VALUES(0), (0);
SELECT MAX(a) AS `Expect 4098` FROM t3;
INSERT INTO t5 VALUES(0), (0);
SELECT MAX(a) AS `Expect 1000007` FROM t5;
INSERT INTO t7 VALUES(0), (0);
SELECT MAX(a) AS `Expect 100000010` FROM t7;
INSERT INTO t9 VALUES(0), (0);
SELECT MAX(a) AS `Expect 100000000008` FROM t9;

--echo # Scenario 3: Insert some bigger counters, the next counter should start
--echo # from there

INSERT INTO t1 VALUES(40), (0);
INSERT INTO t1 VALUES(42), (0);
SELECT a AS `Expect 43, 42` FROM t1 ORDER BY a DESC LIMIT 4;
INSERT INTO t3 VALUES(5000), (0);
INSERT INTO t3 VALUES(5010), (0);
SELECT a AS `Expect 5011, 5010` FROM t3 ORDER BY a DESC LIMIT 4;
INSERT INTO t5 VALUES(1000010), (0);
INSERT INTO t5 VALUES(1000020), (0);
SELECT a AS `Expect 1000021, 1000020` FROM t5 ORDER BY a DESC LIMIT 4;
INSERT INTO t7 VALUES(100000020), (0);
INSERT INTO t7 VALUES(100000030), (0);
SELECT a AS `Expect 100000031, 100000030` FROM t7 ORDER BY a DESC LIMIT 4;
INSERT INTO t9 VALUES(100000000010), (0);
INSERT INTO t9 VALUES(100000000020), (0);
SELECT a AS `Expect 100000000021, 100000000020` FROM t9 ORDER BY a DESC LIMIT 4;

--echo # Scenario 4: Update some values, to test the counters should be updated
--echo # to the bigger value, but not smaller value.

INSERT INTO t1 VALUES(50), (55);
# Updating to bigger value will update the auto-increment counter
UPDATE t1 SET a = 105 WHERE a = 5;
# Updating to smaller value will not update the counter
UPDATE t1 SET a = 100 WHERE a = 55;
--echo # This should insert 102, 106, 107, and make next counter 109.
INSERT INTO t1 VALUES(102), (0), (0);
SELECT a AS `Expect 107, 106` FROM t1 ORDER BY a DESC LIMIT 2;
DELETE FROM t1 WHERE a > 105;
INSERT INTO t1 VALUES(0);
SELECT MAX(a) AS `Expect 109` FROM t1;

--echo # Test the same things on t3, t5, t7, t9, to test if DDTableBuffer would
--echo # be updated accordingly

INSERT INTO t3 VALUES(60), (65);
# Updating to bigger value will update the auto-increment counter
UPDATE t3 SET a = 6005 WHERE a = 5;
# Updating to smaller value will not update the counter
UPDATE t3 SET a = 6000 WHERE a = 60;
--echo # This should insert 6002, 6006, 6007, and make next counter 6009.
INSERT INTO t3 VALUES(6002), (0), (0);
SELECT a AS `Expect 6007, 6006` FROM t3 ORDER BY a DESC LIMIT 2;
DELETE FROM t3 WHERE a > 6005;
INSERT INTO t3 VALUES(0);
SELECT MAX(a) AS `Expect 6009` FROM t3;

INSERT INTO t5 VALUES(100), (200);
# Updating to bigger value will update the auto-increment counter
UPDATE t5 SET a = 1000105 WHERE a = 5;
# Updating to smaller value will not update the counter
UPDATE t5 SET a = 1000100 WHERE a = 100;
--echo # This should insert 1000102, 1000106, 1000107, and make next counter
--echo # 1000109.
INSERT INTO t5 VALUES(1000102), (0), (0);
SELECT a AS `Expect 1000107, 1000106` FROM t5 ORDER BY a DESC LIMIT 2;
DELETE FROM t5 WHERE a > 1000105;
INSERT INTO t5 VALUES(0);
SELECT MAX(a) AS `Expect 1000109` FROM t5;

INSERT INTO t7 VALUES(100), (200);
# Updating to bigger value will update the auto-increment counter
UPDATE t7 SET a = 100000105 WHERE a = 5;
# Updating to smaller value will not update the counter
UPDATE t7 SET a = 100000100 WHERE a = 100;
--echo # This should insert 100000102, 1100000106, 100000107, and make next
--echo # counter 100000109.
INSERT INTO t7 VALUES(100000102), (0), (0);
SELECT a AS `Expect 100000107, 100000106` FROM t7 ORDER BY a DESC LIMIT 2;
DELETE FROM t7 WHERE a > 100000105;
INSERT INTO t7 VALUES(0);
SELECT MAX(a) AS `Expect 100000109` FROM t7;

set global innodb_flush_log_at_trx_commit=1;

INSERT INTO t9 VALUES(100), (200);
# Updating to bigger value will update the auto-increment counter
UPDATE t9 SET a = 100000000105 WHERE a = 5;
# Updating to smaller value will not update the counter
UPDATE t9 SET a = 100000000100 WHERE a = 100;
--echo # This should insert 100000000102, 100000000106, 100000000107, and make
--echo # next counter 100000000109.
INSERT INTO t9 VALUES(100000000102), (0), (0);
SELECT a AS `Expect 100000000107, 100000000106` FROM t9 ORDER BY a DESC LIMIT 2;
DELETE FROM t9 WHERE a > 100000000105;
INSERT INTO t9 VALUES(0);
SELECT MAX(a) AS `Expect 100000000109` FROM t9;

--source include/restart_mysqld.inc

INSERT INTO t1 VALUES(0), (0);
SELECT a AS `Expect 110, 111` FROM t1 ORDER BY a DESC LIMIT 2;

INSERT INTO t3 VALUES(0), (0);
SELECT a AS `Expect 6010, 6011` FROM t3 ORDER BY a DESC LIMIT 2;

INSERT INTO t5 VALUES(0), (0);
SELECT a AS `Expect 1100111, 1100110` FROM t5 ORDER BY a DESC LIMIT 2;

INSERT INTO t7 VALUES(0), (0);
SELECT a AS `Expect 100000111, 100000110` FROM t7 ORDER BY a DESC LIMIT 2;

INSERT INTO t9 VALUES(0), (0);
SELECT a AS `Expect 100000000111, 100000000110` FROM t9 ORDER BY a DESC LIMIT 2;

--echo # Scenario 5: Test kill the server

INSERT INTO t1 VALUES(125);
DELETE FROM t1 WHERE a = 125;

INSERT INTO t3 VALUES(6100);
DELETE FROM t3 WHERE a = 6100;

INSERT INTO t5 VALUES(1100200);
DELETE FROM t5 WHERE a = 1100200;

INSERT INTO t7 VALUES(100000200);
DELETE FROM t7 WHERE a = 100000200;

set global innodb_flush_log_at_trx_commit=1;

INSERT INTO t9 VALUES(100000000200);
DELETE FROM t9 WHERE a = 100000000200;

--source include/kill_and_restart_mysqld.inc

INSERT INTO t1 VALUES(0);
SELECT a AS `Expect 126` FROM t1 ORDER BY a DESC LIMIT 1;

INSERT INTO t3 VALUES(0);
SELECT a AS `Expect 6101` FROM t3 ORDER BY a DESC LIMIT 1;

INSERT INTO t5 VALUES(0);
SELECT a AS `Expect 1100201` FROM t5 ORDER BY a DESC LIMIT 1;

INSERT INTO t7 VALUES(0);
SELECT a AS `Expect 100000201` FROM t7 ORDER BY a DESC LIMIT 1;

INSERT INTO t9 VALUES(0);
SELECT a AS `Expect 100000000201` FROM t9 ORDER BY a DESC LIMIT 1;

--echo # Scenario 6: Test truncate will reset the counters to 0

TRUNCATE TABLE t1;
TRUNCATE TABLE t3;
TRUNCATE TABLE t5;
TRUNCATE TABLE t7;
TRUNCATE TABLE t9;

INSERT INTO t1 VALUES(0), (0);
SELECT * FROM t1;

INSERT INTO t3 VALUES(0), (0);
SELECT * FROM t3;

INSERT INTO t5 VALUES(0), (0);
SELECT * FROM t5;

INSERT INTO t7 VALUES(0), (0);
SELECT * FROM t7;

INSERT INTO t9 VALUES(0), (0);
SELECT * FROM t9;

set global innodb_flush_log_at_trx_commit=1;

TRUNCATE TABLE t1;
TRUNCATE TABLE t3;
TRUNCATE TABLE t5;
TRUNCATE TABLE t7;
TRUNCATE TABLE t9;

--source include/kill_and_restart_mysqld.inc

INSERT INTO t1 VALUES(0), (0);
SELECT * FROM t1;

INSERT INTO t3 VALUES(0), (0);
SELECT * FROM t3;

INSERT INTO t5 VALUES(0), (0);
SELECT * FROM t5;

INSERT INTO t7 VALUES(0), (0);
SELECT * FROM t7;

INSERT INTO t9 VALUES(0), (0);
SELECT * FROM t9;

--echo # Scenario 7: Test explicit rename table won't change the counter

set global innodb_flush_log_at_trx_commit=1;

RENAME TABLE t9 to t19;
INSERT INTO t19 VALUES(0), (0);
SELECT * FROM t19;
DELETE FROM t19 WHERE a = 4;

--source include/kill_and_restart_mysqld.inc

RENAME TABLE t19 to t9;
INSERT INTO t9 VALUES(0), (0);
SELECT * FROM t9;

TRUNCATE TABLE t9;

INSERT INTO t9 VALUES(0), (0);
SELECT * FROM t9;

--echo # Scenario 8: Test ALTER TABLE operations

INSERT INTO t3 VALUES(0), (0), (100), (200), (1000);
SELECT * FROM t3;
DELETE FROM t3 WHERE a > 300;
SELECT MAX(a) AS `Expect 200` FROM t3;
--echo # This will not change the counter to 150, but to 201, which is the next
--echo # of current max counter in the table
ALTER TABLE t3 AUTO_INCREMENT = 150;
SHOW CREATE TABLE t3;
INSERT INTO t3 VALUES(0);
SELECT MAX(a) AS `Expect 201` FROM t3;
--echo # This will change the counter to 500, which is bigger than any counter
--echo # in the table
ALTER TABLE t3 AUTO_INCREMENT = 500;
SHOW CREATE TABLE t3;
INSERT INTO t3 VALUES(0);
SELECT MAX(a) AS `Expect 500` FROM t3;

TRUNCATE TABLE t3;
ALTER TABLE t3 AUTO_INCREMENT = 100;
SHOW CREATE TABLE t3;
INSERT INTO t3 VALUES(0), (0);
SELECT * FROM t3;

INSERT INTO t3 VALUES(150), (180);
UPDATE t3 SET a = 200 WHERE a = 150;
INSERT INTO t3 VALUES(220);
--echo # This still fails to set to 120, but just 221
ALTER TABLE t3 AUTO_INCREMENT = 120;
SHOW CREATE TABLE t3;
INSERT INTO t3 VALUES(0);
SELECT MAX(a) AS `Expect 221` FROM t3;

DELETE FROM t3 WHERE a > 120;

ALTER TABLE t3 AUTO_INCREMENT = 120;
SHOW CREATE TABLE t3;

--source include/kill_and_restart_mysqld.inc

INSERT INTO t3 VALUES(0);
SELECT MAX(a) AS `Expect 120` FROM t3;

set global innodb_flush_log_at_trx_commit=1;

INSERT INTO t3 VALUES(0), (0), (200), (210);

--echo # Test the different algorithms in ALTER TABLE

--let $template = t3
--let $algorithm = INPLACE
--let $table = t_inplace
--source suite/innodb/include/autoinc_persist_alter.inc
--let $algorithm = COPY
--let $table = t_copy
--source suite/innodb/include/autoinc_persist_alter.inc

--echo # Scenario 9: Test the sql_mode = NO_AUTO_VALUE_ON_ZERO

CREATE TABLE t30 (a INT NOT NULL AUTO_INCREMENT PRIMARY KEY, b INT, key(b)) ENGINE = InnoDB;

set SQL_MODE = NO_AUTO_VALUE_ON_ZERO;

INSERT INTO t30 VALUES(NULL, 1), (200, 2), (0, 3);
INSERT INTO t30(b) VALUES(4), (5), (6), (7);
SELECT * FROM t30 ORDER BY b;
ALTER TABLE t30 MODIFY b MEDIUMINT;
SELECT * FROM t30 ORDER BY b;

set global innodb_flush_log_at_trx_commit=1;

CREATE TABLE t31 (a INT) ENGINE = InnoDB;
INSERT INTO t31 VALUES(1), (2);
ALTER TABLE t31 ADD b INT AUTO_INCREMENT PRIMARY KEY;
INSERT INTO t31 VALUES(3, 0), (4, NULL), (5, NULL);
--error ER_DUP_ENTRY
INSERT INTO t31 VALUES(6, 0);
SELECT * FROM t31;

--source include/kill_and_restart_mysqld.inc

--echo # This will not insert 0
INSERT INTO t31(a) VALUES(6), (0);
SELECT * FROM t31;
DROP TABLE t31;

set SQL_MODE = NO_AUTO_VALUE_ON_ZERO;

DELETE FROM t30 WHERE a = 0;
UPDATE t30 set a = 0 where b = 5;
SELECT * FROM t30 ORDER BY b;
DELETE FROM t30 WHERE a = 0;

UPDATE t30 SET a = NULL WHERE b = 6;
UPDATE t30 SET a = 300 WHERE b = 7;

SELECT * FROM t30 ORDER BY b;

SET SQL_MODE = 0;

--echo # Scenario 10: Rollback would not rollback the counter
CREATE TABLE t32 (
a BIGINT NOT NULL PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB;

INSERT INTO t32 VALUES(0), (0);

set global innodb_flush_log_at_trx_commit=1;

START TRANSACTION;
INSERT INTO t32 VALUES(0), (0);
SELECT MAX(a) AS `Expect 4` FROM t32;
DELETE FROM t32 WHERE a >= 2;
ROLLBACK;

--source include/kill_and_restart_mysqld.inc

SELECT MAX(a) AS `Expect 2` FROM t32;
INSERT INTO t32 VALUES(0), (0);
SELECT MAX(a) AS `Expect 6` FROM t32;

--echo # Scenario 11: Test duplicate primary key/secondary key will not stop
--echo # increasing the counter

CREATE TABLE t33 (
a BIGINT NOT NULL PRIMARY KEY,
b BIGINT NOT NULL AUTO_INCREMENT,
KEY(b)) ENGINE = InnoDB;

INSERT INTO t33 VALUES(1, NULL);
INSERT INTO t33 VALUES(2, NULL);
--error ER_DUP_ENTRY
INSERT INTO t33 VALUES(2, NULL);

INSERT INTO t33 VALUES(3, NULL);
SELECT MAX(b) AS `Expect 4` FROM t33;

TRUNCATE TABLE t33;

INSERT INTO t33 VALUES(1, NULL);
INSERT INTO t33 VALUES(2, NULL);

--echo # To make sure the redo logs for autoinc counter must have been flushed
--echo # after commit, we start the transaction manually and do some other
--echo # operations to generate some redo logs. Or else the redo logs in the
--echo # single INSERT statement would not be flushed since the INSERT would fail

set global innodb_flush_log_at_trx_commit=1;

START TRANSACTION;
UPDATE t33 SET a = 10 WHERE a = 1;
--error ER_DUP_ENTRY
INSERT INTO t33 VALUES(2, NULL);
COMMIT;

--source include/kill_and_restart_mysqld.inc

INSERT INTO t33 VALUES(3, NULL);
SELECT MAX(b) AS `Expect 4` FROM t33;

--echo # Scenario 12: This should work with virtual column. We should make sure
--echo # that the column position of autoinc counter is calculated correctly

CREATE TABLE v1 (
a INT NOT NULL,
d INT NOT NULL,
b BLOB NOT NULL,
c TEXT,
vadcol INT AS (a + length(d)) STORED,
cbcol CHAR(2) AS (substr(b, 2, 2)) VIRTUAL,
vbidxcol CHAR(3) AS (substr(b, 1, 3)) VIRTUAL,
pkey INT NOT NULL AUTO_INCREMENT,
leader INT NOT NULL,
leaderpoint POINT NOT NULL,
PRIMARY KEY(pkey)) ENGINE = InnoDB;

INSERT INTO v1(a, d, b, c, pkey, leader, leaderpoint) VALUES
(1, 2, 'abcdefg', 'qwertyu', 20, 5, ST_PointFromText('POINT(1 2)'));
INSERT INTO v1(a, d, b, c, leader, leaderpoint) VALUES
(1, 2, 'abcdefg', 'qwertyu', 5, ST_PointFromText('POINT(1 2)'));
SELECT pkey, a, d, b, c FROM v1;

CREATE TABLE v2 (
a INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
c CHAR(5) NOT NULL,
vaccol INT AS (length(c) * 2) VIRTUAL) ENGINE = InnoDB;

INSERT INTO v2(a, c) VALUES(5, 'ABC');
SELECT * FROM v2;

CREATE TABLE v3 (
a INT NOT NULL,
b INT NOT NULL,
c INT NOT NULL,
d VARCHAR(100) NOT NULL,
vacol INT AS (a + b) VIRTUAL,
vadcol CHAR(3) AS (substr(d, 1, 3)) STORED,
pkey INT NOT NULL AUTO_INCREMENT,
e CHAR(10) NOT NULL,
vbecol CHAR(2) AS (substr(e, 2, 1)) VIRTUAL,
g POINT NOT NULL,
PRIMARY KEY(pkey)) ENGINE = InnoDB;

INSERT INTO v3(a, b, c, d, pkey, e, g) VALUES
(1, 2, 3, 'This is a test', 10, 'MySQL', ST_PointFromText('POINT(10 20)'));
SELECT a, pkey, d FROM v3;

ALTER TABLE v3 DROP COLUMN c;

INSERT INTO v3(a, b, d, pkey, e, g) VALUES
(1, 2, 'This is a test', 0, 'MySQL', ST_PointFromText('POINT(10 20)'));
SELECT a, pkey, d FROM v3;

DROP TABLE v1, v2, v3;

DROP TABLE t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13, t30, t32, t33;

CREATE TABLE t1 (
  a INT NOT NULL,
  d VARCHAR(15) NOT NULL,
  b VARCHAR(198) NOT NULL,
  c CHAR(187),
  vadcol INT AS (a + length(d)) STORED,
  vbcol CHAR(2) AS (substr(b, 2, 2)) VIRTUAL,
  vbidxcol CHAR(3) AS (substr(b, 1, 3)) VIRTUAL,
  INDEX(d),
  INDEX(a),
  INDEX(vbidxcol),
  INDEX(a,vbidxcol),
  INDEX(vbidxcol,d)) ENGINE=InnoDB;

INSERT INTO t1(a, d, b, c) VALUES (1, 'database', 'storage', 'engine');

ALTER TABLE t1 DROP COLUMN vbcol, ADD COLUMN nc07226 BIGINT AUTO_INCREMENT NOT NULL, ADD UNIQUE KEY auto_nc07226(nc07226), ADD COLUMN nc05019 BOOL NOT NULL FIRST, LOCK=EXCLUSIVE;

UPDATE t1 SET b = repeat('dbms', 3);

INSERT INTO t1(a, d, b, c, nc07226, nc05019) VALUES (2, 'database', 'storage', 'engine', 0, false);

UPDATE t1 SET c = repeat('engine', 3);

SELECT * FROM t1;

DROP TABLE t1;

# Check if the AUTOINC can be kept after a no-op ALTER TABLE
CREATE TABLE t1 (a INT NOT NULL AUTO_INCREMENT PRIMARY KEY, b INT) ENGINE = InnoDB;
INSERT INTO t1 VALUES(0, 1), (2, 4), (3, 6);
ALTER TABLE t1 CHANGE COLUMN b b INTEGER, ALGORITHM DEFAULT;
SHOW CREATE TABLE t1;
ALTER TABLE t1 AUTO_INCREMENT = 20, CHANGE COLUMN b b INT, ALGORITHM DEFAULT;
SHOW CREATE TABLE t1;
INSERT INTO t1 VALUES(NULL, 10);
SELECT MAX(a) FROM t1;
ALTER TABLE t1 AUTO_INCREMENT = 10, CHANGE COLUMN b b INTEGER, ALGORITHM DEFAULT;
SHOW CREATE TABLE t1;
INSERT INTO t1 VALUES(NULL, 12);
SELECT MAX(a) FROM t1;
DROP TABLE t1;