SET @save_frequency= @@GLOBAL.innodb_purge_rseg_truncate_frequency;
SET GLOBAL innodb_purge_rseg_truncate_frequency=1;
#
# MDEV-17821 Assertion `!page_rec_is_supremum(rec)' failed
# in btr_pcur_store_position
#
CREATE TABLE t1 (pk INT PRIMARY KEY, c INT) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1,2);
ALTER TABLE t1 ADD COLUMN f VARCHAR(255);
ALTER TABLE t1 DROP COLUMN f;
DELETE FROM t1;
HANDLER t1 OPEN;
HANDLER t1 READ `PRIMARY` <= (3);
pk	c
DROP TABLE t1;
CREATE TABLE t1 (
pk INT AUTO_INCREMENT,
f1 CHAR(32),
f2 CHAR(32),
f3 CHAR(32),
f4 INT,
f5 CHAR(32),
f6 INT,
f7 INT,
f8 INT,
PRIMARY KEY (pk),
UNIQUE (f6)
) ENGINE=InnoDB;
INSERT INTO t1 (f1,f2,f3,f4,f5,f6,f7,f8) VALUES 
('reality', 'llt', 'within', -1996816384, 'j', 160, 7, -1822687232),
('h', 'j', 'j', 251, 'civilian', NULL, 211, NULL),
('ltq', 'b', 'mud', 111, 'v', 90, 0, NULL),
('toxic', 'breakfast', 'series', 2, 'x', NULL, 118, 2),
('h', 'n', 'vision', 84, 'n', NULL, 197, 103),
('h', 'tq', 'q', 6, 'bet', -1927151616, -446038016, 3),
('pocket', 'qjt', 'jtl', 0, 'blink', NULL, 12, 0),
('k', 'uv', 'exist', 37, 'g', 149, -1610219520, NULL),
('parent', 'motion', 'u', 70, 'promote', NULL, 178, NULL),
('get', 'convict', 'liquid', -780337152, 'd', NULL, 4, NULL),
('vp', 'px', 'xi', -631111680, 'support', NULL, 8, NULL),
('ck', 'z', 'minority', 8, 'k', NULL, 864878592, NULL),
('kxx', 'g', 'container', 1, 'cholesterol', NULL, 4, 1404436480),
('xxv', 'rail', 'j', 219, 'serious', NULL, -816119808, 62),
('x', 'v', 'vr', 146, 'm', 16, 170, -1765867520),
('age', 'm', 'q', -1251278848, 'rte', 6, 224, NULL),
('discrimination', 't', 'q', 31, 'exl', 0, 2, 244),
('water', 'x', 'ldb', 98, 'r', 235, 4, 63),
('d', 'db', 'p', 248, 'so-called', 102, -255524864, 198),
('last', 'bz', 'us', 0, 'experienced', 137, 240, 134),
('q', 'z', 'attract', 67, 'code', 67, 75, 1758920704),
('yellow', 'c', 'u', 6, 'v', 1731985408, 528154624, 2),
('cognitive', 'he', 'protective', 590020608, 'sentence', NULL, 4, 102),
('eih', 'l', 'ih', 1266024448, 'traditionally', NULL, 190, NULL),
('pine', 'i', 'y', 6, 'glimpse', 214, 7, -1486880768),
('jo', 'everyone', 'ol', 0, 'lj', NULL, 1, 0),
('blood', 'f', 'scientist', 54, 'j', 1341128704, 168, NULL),
('z', 'brief', 'ambassador', 115, 'ygp', 82, 129, NULL),
('gp', 'severe', 'consist', 7, 'p', -1829961728, 602669056, 154),
('admit', 'poetry', 'x', 116, 'enemy', 174, -2128543744, -407764992),
('s', 'norm', 'decide', 2055667712, 'rtz', NULL, 99, -1233715200),
('tzg', 'f', 'beg', 2016280576, 'w', NULL, -643825664, 137),
('zgg', 'x', 'f', 148, 'y', -987496448, -708116480, 8),
('attorney', 'perfectly', 's', 49, 'z', -1865285632, 56, -1518534656),
('concentrate', 's', 'k', -1028849664, 'tir', 83, -1592459264, 1820065792),
('t', 'sacrifice', 'ir', -2143879168, 'recipe', 156, 217, NULL),
('wdf', 'd', 'f', 137, 'empty', NULL, 188, NULL),
('o', 'customer', 'qd', -2135293952, 'z', 1527840768, 227, -1174929408),
('d', 'qow', 'o', 1472266240, 'whe', NULL, 7, 197),
('deny', 'reputation', 'dutch', 59, 'v', 124, 2, 191),
('m', 'liver', 'fv', 0, 'policy', 781582336, 198574080, 177),
('vk', 'kx', 'immigrant', -1452736512, 'x', 163, 76, 6) ,
('j', 'ru', 'r', 67, 'joke', NULL, 3, NULL),
('o', 'u', 'a', -569442304, 'uz', NULL, 933298176, NULL),
('g', 'zb', 'c', -1694760960, 'fish', 18, -390463488, 1),
('bb', 'o', 'b', 6, 'z', 9, 12, NULL),
('compelling', 'xe', 'debut', 89, 'e', -734724096, 119, 175),
('md', 'r', 'object', 1046478848, 'frequently', 915537920, 0, 1506410496),
('dwn', 'wnz', 'x', 1767571456, 'nz', 241, -882180096, 9),
('zvf', 'vfo', 'g', -844824576, 'w', NULL, 1, 9),
('w', 'pose', 'r', 1029308416, 'a', -48627712, 1756168192, NULL),
('o', 'jwp', 'patient', 172, 'i', 297140224, 45809664, 3),
('w', 'p', 'american', 450297856, 'z', 20, 4, 186),
('ridiculous', 'helpful', 'vy', -2022899712, 'conspiracy', NULL, 162, -264634368),
('t', 'g', 'spite', 289931264, 'y', 4, 13, NULL),
('performer', 'i', 'tomato', -1519386624, 'mz', 8, 87, 106),
('m', 'z', 'hang', 3, 'crowded', -537919488, 1, 2),
('fu', 'uot', 'j', 1, 'o', 179, 220, -2084569088),
('ts', 'n', 'su', 1, 'o', 198, 9, 68),
('ball', 'halfway', 'uf', 40, 'l', 145948672, 9, 149),
('hunting', 'n', 'teenager', 0, 'neat', 209, 2044461056, 68),
('independent', 'along', 'fpn', 5, 'pn', 3, 1353252864, 217),
('p', 'presumably', 'n', -1977548800, 'balanced', 1909260288, 197, NULL),
('pink', 'h', 'tear', 8, 'n', 254, 8, 1006305280),
('tyy', 'n', 'yyr', 1107820544, 'yr', NULL, 0, 219),
('u', 'retirement', 'thread', -2083192832, 'rx', -678232064, 209, 1048969216),
('xk', 'kb', 'z', 9, 'ba', 218, 7, 8),
('a', 'plenty', 'forget', 36, 'c', 215, 2027094016, NULL),
('i', 'compromise', 'n', -1090256896, 'o', 10, 66, 1872887808),
('x', 'disappointment', 'cognitive', 753860608, 'ua', 77, 123, 10),
('e', 'added', 'aub', 2, 'u', NULL, 9, 92),
('bc', 'h', 'n', 146, 'master', NULL, 1003945984, NULL),
('execution', 'f', 'cgp', 574423040, 'gp', 2, -518782976, -1189085184),
('pv', 'bad', 'v', 132, 'r', 195, 6, 5),
('modify', 'participation', 'vol', 237, 'j', -842924032, 88, -747765760),
('substantially', 'i', 'congressional', 2, 'edit', NULL, 1003159552, NULL),
('tell', 'forty', 'v', -910098432, 'd', 43, 3, NULL),
('crawl', 'ad', 'respect', -1851195392, 'p', 72, -1709047808, 1343225856),
('w', 'reception', 'fiber', 56, 's', NULL, 2, -993787904),
('successful', 'instruct', 'dug', 2, 'u', 7, -411500544, NULL),
('appointment', 'pregnant', 'weird', 2, 'r', NULL, -897384448, 76),
('g', 'j', 'thin', 663617536, 'oan', 1, 7, NULL),
('secretary', 'a', 'o', 103, 'nj', 1977745408, -1291124736, -1314521088),
('g', 'jq', 'q', 1875116032, 'blame', NULL, 1, 4),
('oj', 'j', 'breast', 150, 'c', NULL, 3, NULL),
('rd', 'm', 'comprehensive', 1723334656, 't', NULL, 155, -312344576) ,
('a', 'd', 'criminal', -1155137536, 'airplane', 242, -662896640, 1),
('fast', 'i', 'k', -386662400, 'zxe', NULL, 7, 119),
('xe', 'mouse', 'c', -205717504, 'ew', NULL, -729612288, 86),
('hang', 'j', 'o', 3, 'hungry', NULL, 200, 49),
('expense', 'z', 'sum', 2, 'gob', -472055808, -538181632, NULL),
('nest', 'o', 'k', 116, 'weak', NULL, 223, NULL);
INSERT INTO t1 (f1,f2,f3,f4,f5,f6,f7,f8) VALUES ('impact', 'b', 'h', 185, 'fj', 7, 7, 3);
ERROR 23000: Duplicate entry '7' for key 'f6'
ALTER TABLE t1 ADD COLUMN filler VARCHAR(255) DEFAULT '';
SELECT * INTO OUTFILE 'load.data' FROM t1;
UPDATE IGNORE t1 SET pk = 0;
LOAD DATA INFILE 'load.data' REPLACE INTO TABLE t1;
HANDLER t1 OPEN AS h;
HANDLER h READ `PRIMARY` PREV WHERE 0;
pk	f1	f2	f3	f4	f5	f6	f7	f8	filler
HANDLER h CLOSE;
DROP TABLE t1;
#
# MDEV-19630 ALTER TABLE ... ADD COLUMN damages foreign keys
# which are pointed to the table being altered
#
CREATE TABLE t1(f1 int not null, primary key(f1))engine=innodb;
CREATE TABLE t2(f1 INT AUTO_INCREMENT NOT NULL, f2 INT NOT NULL,
status ENUM ('a', 'b', 'c'), INDEX idx1(f2),
PRIMARY KEY(f1),
FOREIGN KEY (f2) REFERENCES t1(f1))ENGINE=InnoDB;
ALTER TABLE t1 CHANGE f1 f1_id INT NOT NULL, ADD f3 VARCHAR(255) DEFAULT NULL;
ALTER TABLE t1 CHANGE f1_id f1 INT NOT NULL;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f1` int(11) NOT NULL,
  `f3` varchar(255) DEFAULT NULL,
  PRIMARY KEY (`f1`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `f1` int(11) NOT NULL AUTO_INCREMENT,
  `f2` int(11) NOT NULL,
  `status` enum('a','b','c') DEFAULT NULL,
  PRIMARY KEY (`f1`),
  KEY `idx1` (`f2`),
  CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`f2`) REFERENCES `t1` (`f1`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
ALTER TABLE t2 CHANGE status status VARCHAR(20) DEFAULT NULL;
DROP TABLE t2, t1;
#
# MDEV-20938 Double free of dict_foreign_t during instant ALTER TABLE
#
CREATE TABLE t1 (id INT UNSIGNED PRIMARY KEY) ENGINE=InnoDB;
CREATE TABLE t2 (a INT UNSIGNED PRIMARY KEY, b INT UNSIGNED UNIQUE,
FOREIGN KEY fk1 (b) REFERENCES t1 (id)) ENGINE=InnoDB;
ALTER TABLE t2
DROP FOREIGN KEY fk1,
CHANGE b d INT UNSIGNED,
ADD c INT;
DROP TABLE t2, t1;
#
# MDEV-22446 InnoDB aborts while adding instant column
# for discarded tablespace
#
CREATE TABLE t1(c1 INT NOT NULL, c2 INT NOT NULL DEFAULT 0)ENGINE=InnoDB;
INSERT INTO t1(c1) VALUES(1);
ALTER TABLE t1 ADD COLUMN c3 INT DEFAULT 10;
FLUSH TABLES t1 FOR EXPORT;
backup: t1
UNLOCK TABLES;
DROP TABLE t1;
CREATE TABLE t1(c1 INT NOT NULL)Engine=InnoDB;
ALTER TABLE t1 DISCARD TABLESPACE;
FLUSH TABLES;
ALTER TABLE t1 ADD COLUMN c2 INT NOT NULL;
Warnings:
Warning	1814	Tablespace has been discarded for table `t1`
ALTER TABLE t1 ADD COLUMN c3 INT DEFAULT 10;
Warnings:
Warning	1814	Tablespace has been discarded for table `t1`
restore: t1 .ibd and .cfg files
ALTER TABLE t1 IMPORT TABLESPACE;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL,
  `c2` int(11) NOT NULL,
  `c3` int(11) DEFAULT 10
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT * FROM t1;
c1	c2	c3
1	0	10
DROP TABLE t1;
#
# MDEV-23801 Assertion index->table->instant... failed
#            in btr_pcur_store_position()
#
SET GLOBAL innodb_purge_rseg_truncate_frequency = 1;
CREATE TABLE t (
pk int auto_increment,
c01 char(255) not null default repeat('a',255),
c02 char(255) default repeat('a',255),
c03 char(255) default repeat('a',255),
c04 char(255) default repeat('a',255),
c05 char(255) not null default repeat('a',255),
c06 char(255) default repeat('a',255),
c07 char(255) default repeat('a',255),
c08 char(255) not null default repeat('a',255),
c09 char(255) default repeat('a',255),
c10 char(255) default repeat('a',255),
c11 char(255) default repeat('a',255),
c12 char(255) not null default repeat('a',255),
primary key (pk)
) ENGINE=InnoDB CHARACTER SET ucs2;
INSERT INTO t () VALUES ();
ALTER TABLE t ADD c INT;
BEGIN;
INSERT INTO t () VALUES (),();
ROLLBACK;
DELETE FROM t;
InnoDB		0 transactions not purged
SET GLOBAL innodb_purge_rseg_truncate_frequency = @save_frequency;
CREATE TABLE tt ENGINE=InnoDB AS SELECT c FROM t;
DROP TABLE t, tt;
# End of 10.3 tests
create table t (
a varchar(9),
b int,
c int,
row_start bigint unsigned generated always as row start invisible,
row_end bigint unsigned generated always as row end invisible,
period for system_time (row_start, row_end)
) engine=innodb row_format=compressed with system versioning;
insert into t values (repeat('a', 9), 1, 1);
set @@system_versioning_alter_history = keep;
alter table t modify a varchar(10), algorithm=instant;
alter table t change b bb int, algorithm=instant;
alter table t modify c int without system versioning, algorithm=instant;
set @@system_versioning_alter_history = error;
check table t;
Table	Op	Msg_type	Msg_text
test.t	check	status	OK
drop table t;
#
# MDEV-18219 Assertion `index->n_core_null_bytes <= ...' failed
# in rec_init_offsets after instant DROP COLUMN
#
CREATE TABLE t1 (a INT, b INT NOT NULL) ENGINE=InnoDB;
INSERT INTO t1 VALUES
(0,9),(2,7),(3,1),(3,4),(8,4),(3,7),(6,1),(3,8),(1,2),(4,1),(0,8),(5,3),
(1,3),(1,6),(2,1),(8,7),(6,0),(1,9),(9,4),(0,6),(9,3),(0,9),(9,4),(2,4),
(2,7),(7,8),(8,2),(2,5),(6,1),(4,5),(5,3),(6,8),(4,9),(5,7),(7,5),(5,1),
(8,8),(5,7),(3,8),(0,1),(8,4),(8,3),(9,7),(4,8),(1,1),(0,4),(2,6),(8,5),
(8,8),(8,7),(6,7),(1,7),(9,6),(3,6),(1,9),(0,3),(5,3),(2,4),(0,6),(2,0),
(6,5),(1,6),(2,4),(9,1),(3,0),(6,4),(1,3),(0,8),(3,5),(3,1),(8,9),(9,9),
(7,9),(4,5),(2,2),(3,8),(0,8),(7,1),(2,0),(1,5),(7,3),(4,4),(3,9),(7,2),
(6,2),(0,4),(2,0),(1,5),(5,7),(4,5),(3,7),(6,0),(2,1),(5,0),(1,0),(2,0),
(8,4),(5,7),(3,5),(0,5),(7,6),(5,9),(1,2),(4,2),(8,5),(8,7),(2,8),(1,8),
(4,3),(1,6),(7,8),(3,7),(4,6),(1,1),(3,0),(1,6),(2,0),(3,4),(4,8),(3,9),
(8,0),(4,9),(4,0),(3,9),(6,4),(7,4),(5,8),(4,7),(7,3),(5,9),(2,3),(7,3),
(0,4),(5,9),(9,8),(4,2),(3,6),(2,6),(1,8),(7,0),(0,0),(2,3),(1,2),(3,3),
(2,7),(6,0),(9,0),(6,9),(4,6),(9,8),(0,7),(9,1),(9,6),(4,3),(7,7),(7,7),
(4,1),(4,7),(7,3),(2,8),(5,8),(8,9),(3,9),(7,7),(0,8),(4,9),(3,2),(5,0),
(1,7),(0,3),(2,9),(9,7),(7,5),(6,9),(8,5),(3,6),(1,1),(2,8),(7,9),(4,9),
(6,6),(5,9),(5,3),(9,8),(3,3),(5,6),(0,9),(3,9),(7,9),(7,3),(5,2),(1,4),
(4,4),(8,2),(2,2),(8,3),(9,1),(4,9),(9,8),(1,8),(1,8),(9,1),(1,1),(3,0),
(4,6),(9,3),(3,3),(5,2),(0,1),(3,4),(3,2),(1,3),(4,4),(7,0),(4,6),(7,2),
(4,5),(8,7),(7,8),(8,1),(3,5),(0,6),(3,5),(2,1),(4,4),(3,4),(2,1),(4,1);
INSERT INTO t1 SELECT * FROM t1;
ALTER TABLE t1 DROP a;
ALTER TABLE t1 ADD vb INT AS (b) VIRTUAL;
DROP TABLE t1;
#
# MDEV-19030 Assertion index->n_core_null_bytes <= ... failed
# in rec_init_offsets after instant DROP COLUMN
#
CREATE TABLE t1 (a INT, b INT NOT NULL DEFAULT 0) ENGINE=InnoDB;
INSERT INTO t1 () VALUES (),(),(),();
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
ALTER TABLE t1 FORCE;
INSERT INTO t1 SELECT * FROM t1;
ALTER TABLE t1 DROP a, ADD a SMALLINT NOT NULL;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
ALTER TABLE t1 ADD vb INT AS (b) VIRTUAL;
DROP TABLE t1;
#
# MDEV-18623 Assertion after DROP FULLTEXT INDEX and removing NOT NULL
#
CREATE TABLE t1 (c TEXT NOT NULL, FULLTEXT INDEX ftidx(c)) ENGINE=InnoDB
ROW_FORMAT=REDUNDANT;
ALTER TABLE t1 DROP INDEX ftidx;
ALTER TABLE t1 MODIFY c TEXT NULL, ALGORITHM=INSTANT;
ERROR 0A000: ALGORITHM=INSTANT is not supported for this operation. Try ALGORITHM=INPLACE
ALTER TABLE t1 MODIFY c TEXT NULL;
DROP TABLE t1;
#
# MDEV-20048 dtuple_get_nth_field(): Assertion 'n < tuple->n_fields'
# failed on ROLLBACK after instant DROP COLUMN
#
CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1);
ALTER TABLE t1 ADD b TEXT, ALGORITHM=INSTANT;
SET @b = REPEAT('b', @@innodb_page_size / 2 + 1);
INSERT INTO t1 VALUES(2, @b), (3, @b);
BEGIN;
DELETE FROM t1 WHERE a=2;
connect  purge_control,localhost,root;
START TRANSACTION WITH CONSISTENT SNAPSHOT;
connection default;
COMMIT;
ALTER TABLE t1 DROP b, ALGORITHM=INSTANT;
BEGIN;
INSERT INTO t1 VALUES (2);
connection purge_control;
SELECT * FROM t1;
a
1
2
3
disconnect purge_control;
connection default;
ROLLBACK;
SELECT * FROM t1;
a
1
3
DROP TABLE t1;
#
# MDEV-20479: assertion failure in dict_table_get_nth_col() after INSTANT DROP COLUMN
#
CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB;
ALTER TABLE t1 ADD COLUMN (b INT, c INT, d INT, e INT NOT NULL DEFAULT 0);
ALTER TABLE t1 ADD UNIQUE INDEX(e);
ALTER TABLE t1 DROP b, DROP c, DROP d, DROP e;
DROP TABLE t1;
#
# MDEV-20565 Assertion on CHANGE COLUMN...SYSTEM VERSIONING
#
set @@system_versioning_alter_history = keep;
CREATE TABLE t (a INT WITHOUT SYSTEM VERSIONING, b INT) ENGINE=InnoDB
WITH SYSTEM VERSIONING;
ALTER TABLE t CHANGE COLUMN a alpha INT WITH SYSTEM VERSIONING,
ALGORITHM=INSTANT;
DROP TABLE t;
CREATE TABLE t (alpha INT, b INT) ENGINE=InnoDB WITH SYSTEM VERSIONING;
ALTER TABLE t CHANGE COLUMN alpha a INT WITHOUT SYSTEM VERSIONING,
ALGORITHM=INSTANT;
DROP TABLE t;
set @@system_versioning_alter_history = error;
#
# MDEV-20117 Assertion 0 failed in row_sel_get_clust_rec_for_mysql
#
CREATE TABLE t (b INT PRIMARY KEY) ENGINE=InnoDB;
INSERT INTO t SET b=1;
ALTER TABLE t ADD COLUMN a INT FIRST, ALGORITHM=INSTANT;
DELETE FROM t;
ALTER TABLE t ADD COLUMN c INT, ALGORITHM=INSTANT;
ALTER TABLE t DROP COLUMN c, ALGORITHM=INSTANT;
SELECT * FROM t;
a	b
DROP TABLE t;
CREATE TABLE t1 (a INT PRIMARY KEY, b INT, c INT, d INT, e INT) ENGINE=InnoDB;
INSERT INTO t1 SET a=1;
INSERT INTO t1 SET a=2;
BEGIN;
UPDATE t1 SET b=1;
DELETE FROM t1;
COMMIT;
ALTER TABLE t1 DROP b, DROP c, DROP d, DROP e;
InnoDB		0 transactions not purged
SELECT * FROM t1;
a
DROP TABLE t1;
#
# MDEV-20190 Instant operation fails when add column and collation
#            change on non-indexed column
#
CREATE TABLE t1 (a CHAR)ENGINE=INNODB;
ALTER TABLE t1 DEFAULT COLLATE= latin1_general_cs;
ALTER TABLE t1 ADD COLUMN b INT NOT NULL, MODIFY a CHAR, ALGORITHM=INSTANT;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` char(1) DEFAULT NULL,
  `b` int(11) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_general_cs
DROP TABLE t1;
CREATE TABLE t1 (a CHAR NOT NULL) ENGINE=InnoDB ROW_FORMAT=REDUNDANT;
ALTER TABLE t1 DEFAULT COLLATE = latin1_general_cs;
ALTER TABLE t1 MODIFY a CHAR, ALGORITHM=INSTANT;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` char(1) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_general_cs ROW_FORMAT=REDUNDANT
DROP TABLE t1;
CREATE TABLE t1 (a CHAR NOT NULL) CHARSET latin2 COLLATE latin2_bin
ENGINE=InnoDB ROW_FORMAT=REDUNDANT;
ALTER TABLE t1 DEFAULT COLLATE = latin2_general_ci;
ALTER TABLE t1 MODIFY a CHAR, ALGORITHM=INSTANT;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` char(1) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin2 COLLATE=latin2_general_ci ROW_FORMAT=REDUNDANT
DROP TABLE t1;
#
# MDEV-21645 SIGSEGV in innobase_get_computed_value
#
CREATE TABLE t1 (a INT PRIMARY KEY, b INT, va INTEGER GENERATED ALWAYS AS (a))
ENGINE=InnoDB;
INSERT INTO t1 SET a=1, b=NULL;
ALTER TABLE t1 MODIFY COLUMN b INT FIRST;
ALTER TABLE t1 ADD UNIQUE INDEX (va);
DROP TABLE t1;
#
# MDEV-22651 Assertion dict_col_get_fixed_size...
# in dict_table_t::init_instant()
#
CREATE TABLE t (i INT PRIMARY KEY) ENGINE=InnoDB;
INSERT INTO t SET i=1;
ALTER TABLE t ADD e CHAR(255) CHARACTER SET UTF32 FIRST, ALGORITHM=INSTANT;
DROP TABLE t;
#
# MDEV-23499 Assertion c.same_type(*o) failed
#
CREATE TABLE t (pk SERIAL, b TEXT CHARACTER SET utf8) ENGINE=InnoDB;
ALTER TABLE t MODIFY b TEXT CHARACTER SET utf8mb4 FIRST;
DROP TABLE t;
#
# MDEV-23672 Assertion `v.v_indexes.empty()' failed in dict_table_t::instant_column
#
create table t1 (
col_int integer,
col_text text not null,
col_int_g integer generated always as (col_int) unique,
col_text_g text generated always as (substr(col_text,1,499)) )
engine innodb row_format = redundant;
insert into t1 (col_int,col_text) values (0, 'a'), (null, 'b');
alter table t1 modify column col_text text null, algorithm = instant;
insert into t1 (col_int,col_text) values (1, null), (null, null);
update t1 set col_text= 'd';
select * from t1;
col_int	col_text	col_int_g	col_text_g
0	d	0	d
NULL	d	NULL	d
1	d	1	d
NULL	d	NULL	d
check table t1;
Table	Op	Msg_type	Msg_text
test.t1	check	status	OK
drop table t1;
#
# MDEV-24072 Assertion 'ib_table.n_v_cols' failed
# in instant_alter_column_possible()
#
CREATE TABLE t (a BLOB) ENGINE=InnoDB;
INSERT INTO t VALUES ('a');
ALTER TABLE t ADD c INT GENERATED ALWAYS AS (a+1) VIRTUAL, ADD KEY(c);
ERROR 22007: Truncated incorrect DOUBLE value: 'a'
ALTER TABLE t ADD d INT;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
DROP TABLE t;
#
# MDEV-28060 Online DDL fails while checking for instant
#		alter condition
#
CREATE TABLE t1(f1 CHAR(10) NOT NULL)ROW_FORMAT=REDUNDANT,ENGINE=InnoDB;
ALTER TABLE t1 ADD COLUMN(f2 INT NOT NULL, f3 INT NOT NULL,
f4 INT NOT NULL, f5 INT NOT NULL),
CHANGE COLUMN f1 f1 CHAR(10) DEFAULT NULL;
DROP TABLE t1;
SET GLOBAL innodb_purge_rseg_truncate_frequency=@save_frequency;
#
# MDEV-26420 Buffer overflow on instant ADD/DROP of generated column
#
CREATE TABLE t1 (i int AS (0) STORED, j INT) ENGINE=InnoDB;
ALTER TABLE t1 ADD COLUMN i INT GENERATED ALWAYS AS (1), DROP COLUMN i;
DROP TABLE t1;
# End of 10.4 tests