--source include/have_innodb.inc

--echo #
--echo # MDEV-17821 Assertion `!page_rec_is_supremum(rec)' failed
--echo # in btr_pcur_store_position
--echo #

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);
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);
--error ER_DUP_ENTRY
INSERT INTO t1 (f1,f2,f3,f4,f5,f6,f7,f8) VALUES ('impact', 'b', 'h', 185, 'fj', 7, 7, 3);

ALTER TABLE t1 ADD COLUMN filler VARCHAR(255) DEFAULT '';
--disable_ps2_protocol
SELECT * INTO OUTFILE 'load.data' FROM t1;
--enable_ps2_protocol
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;

# Cleanup
HANDLER h CLOSE;
DROP TABLE t1;

--echo #
--echo # MDEV-19630 ALTER TABLE ... ADD COLUMN damages foreign keys
--echo # which are pointed to the table being altered
--echo #
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;
SHOW CREATE TABLE t2;

ALTER TABLE t2 CHANGE status status VARCHAR(20) DEFAULT NULL;
DROP TABLE t2, t1;

--let $datadir= `select @@datadir`
--remove_file $datadir/test/load.data

--echo #
--echo # MDEV-20938 Double free of dict_foreign_t during instant ALTER TABLE
--echo #

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;

--echo #
--echo # MDEV-22446 InnoDB aborts while adding instant column
--echo # for discarded tablespace
--echo #

let MYSQLD_DATADIR =`SELECT @@datadir`;
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;
--replace_regex /, .*\).*t1.cfg/, Bad file descriptor) t1.cfg/
FLUSH TABLES t1 FOR EXPORT;

perl;
do "$ENV{MTR_SUITE_DIR}/include/innodb-util.pl";
ib_backup_tablespaces("test", "t1");
EOF
UNLOCK TABLES;
DROP TABLE t1;

# Restore of instant table
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;
ALTER TABLE t1 ADD COLUMN c3 INT DEFAULT 10;
# Restore files
perl;
do "$ENV{MTR_SUITE_DIR}/include/innodb-util.pl";
ib_restore_tablespaces("test", "t1");
EOF
ALTER TABLE t1 IMPORT TABLESPACE;
SHOW CREATE TABLE t1;
SELECT * FROM t1;
DROP TABLE t1;


--echo #
--echo # MDEV-23801 Assertion index->table->instant... failed
--echo #            in btr_pcur_store_position()
--echo #

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;

--source include/wait_all_purged.inc

CREATE TABLE tt ENGINE=InnoDB AS SELECT c FROM t;
DROP TABLE t, tt;

--echo # End of 10.3 tests

--disable_query_log
SET @save_innodb_read_only_compressed=@@GLOBAL.innodb_read_only_compressed;
SET GLOBAL innodb_read_only_compressed=OFF;
--enable_query_log
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;
--disable_query_log
SET GLOBAL innodb_read_only_compressed=@save_innodb_read_only_compressed;
--enable_query_log
check table t;
drop table t;

--echo #
--echo # MDEV-18219 Assertion `index->n_core_null_bytes <= ...' failed
--echo # in rec_init_offsets after instant DROP COLUMN
--echo #
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;
# Exploit MDEV-17468 to force the table definition to be reloaded
ALTER TABLE t1 ADD vb INT AS (b) VIRTUAL;
DROP TABLE t1;

--echo #
--echo # MDEV-19030 Assertion index->n_core_null_bytes <= ... failed
--echo # in rec_init_offsets after instant DROP COLUMN
--echo #
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;
# Exploit MDEV-17468 to force the table definition to be reloaded
ALTER TABLE t1 ADD vb INT AS (b) VIRTUAL;
DROP TABLE t1;

--echo #
--echo # MDEV-18623 Assertion after DROP FULLTEXT INDEX and removing NOT NULL
--echo #
CREATE TABLE t1 (c TEXT NOT NULL, FULLTEXT INDEX ftidx(c)) ENGINE=InnoDB
ROW_FORMAT=REDUNDANT;
ALTER TABLE t1 DROP INDEX ftidx;
--error ER_ALTER_OPERATION_NOT_SUPPORTED
ALTER TABLE t1 MODIFY c TEXT NULL, ALGORITHM=INSTANT;
ALTER TABLE t1 MODIFY c TEXT NULL;
DROP TABLE t1;

--echo #
--echo # MDEV-20048 dtuple_get_nth_field(): Assertion 'n < tuple->n_fields'
--echo # failed on ROLLBACK after instant DROP COLUMN
--echo #
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;

# Stop purge so that it doesn't remove the delete-marked entry.
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;
disconnect purge_control;
connection default;
ROLLBACK;

SELECT * FROM t1;
DROP TABLE t1;


--echo #
--echo # MDEV-20479: assertion failure in dict_table_get_nth_col() after INSTANT DROP COLUMN
--echo #

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;

--echo #
--echo # MDEV-20565 Assertion on CHANGE COLUMN...SYSTEM VERSIONING
--echo #
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;

--echo #
--echo # MDEV-20117 Assertion 0 failed in row_sel_get_clust_rec_for_mysql
--echo #

# This is not repeating the bug itself, but demonstrating that both
# parts of the fix are needed.
# To repeat the original bug, we should be somehow able to empty
# the table of user records while purgeable undo log records exist.
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;
# If page_cur_delete_rec() emptied the page (and wrongly reset the
# page type) during the previous ALTER TABLE, the following would hit
# an assertion failure because of root page type mismatch.
ALTER TABLE t DROP COLUMN c, ALGORITHM=INSTANT;
SELECT * FROM t;
DROP TABLE t;

# The following is nondeterministically repeating the bug in a
# different scenario: the table is empty at the time the ALTER TABLE
# is invoked, apparently because purge already processed the records
# for the DELETE, but not the record for the UPDATE.
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;
--source include/wait_all_purged.inc
SELECT * FROM t1;
DROP TABLE t1;

--echo #
--echo # MDEV-20190 Instant operation fails when add column and collation
--echo #            change on non-indexed column
--echo #

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;
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;
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;
DROP TABLE t1;

--echo #
--echo # MDEV-21645 SIGSEGV in innobase_get_computed_value
--echo #
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;

--echo #
--echo # MDEV-22651 Assertion dict_col_get_fixed_size...
--echo # in dict_table_t::init_instant()
--echo #
--source include/have_innodb.inc
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;

--echo #
--echo # MDEV-23499 Assertion c.same_type(*o) failed
--echo #
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;

--echo #
--echo # MDEV-23672 Assertion `v.v_indexes.empty()' failed in dict_table_t::instant_column
--echo #
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;
check table t1;
drop table t1;

--echo #
--echo # MDEV-24072 Assertion 'ib_table.n_v_cols' failed
--echo # in instant_alter_column_possible()
--echo #
CREATE TABLE t (a BLOB) ENGINE=InnoDB;
INSERT INTO t VALUES ('a');
--error ER_TRUNCATED_WRONG_VALUE
ALTER TABLE t ADD c INT GENERATED ALWAYS AS (a+1) VIRTUAL, ADD KEY(c);
--enable_info
ALTER TABLE t ADD d INT;
--disable_info
DROP TABLE t;

--echo #
--echo # MDEV-28060 Online DDL fails while checking for instant
--echo #		alter condition
--echo #
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;

--echo #
--echo # MDEV-26420 Buffer overflow on instant ADD/DROP of generated column
--echo #
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;

--echo # End of 10.4 tests