mariadb/mysql-test/suite/innodb/t/instant_alter.test

--source include/innodb_page_size.inc

--echo #
--echo # MDEV-11369: Instant ADD COLUMN for InnoDB
--echo #

let $format= `SELECT CASE WHEN @@GLOBAL.innodb_page_size>16384
THEN 'DYNAMIC' ELSE 'COMPRESSED' END`;
eval CREATE TABLE t(a INT UNIQUE)ENGINE=InnoDB ROW_FORMAT=$format;
INSERT INTO t VALUES(1);
SET @old_instant=
(SELECT variable_value FROM information_schema.global_status
WHERE variable_name = 'innodb_instant_alter_column');
--enable_info
ALTER TABLE t ADD b INT NOT NULL, ALGORITHM=COPY;
ALTER TABLE t ADD c INT NOT NULL, FORCE;
--disable_info
SELECT variable_value-@old_instant instants
FROM information_schema.global_status
WHERE variable_name = 'innodb_instant_alter_column';
--enable_info
ALTER TABLE t ADD d INT NOT NULL;
--disable_info
SELECT * FROM t;
SHOW CREATE TABLE t;
SELECT variable_value-@old_instant instants
FROM information_schema.global_status
WHERE variable_name = 'innodb_instant_alter_column';
DROP TABLE t;

connect analyze, localhost, root;
connection default;
SET timestamp = 42;
SET time_zone='+03:00';
SET @saved_frequency= @@GLOBAL.innodb_purge_rseg_truncate_frequency;
SET GLOBAL innodb_purge_rseg_truncate_frequency=1;

SET @old_instant=
(SELECT variable_value FROM information_schema.global_status
WHERE variable_name = 'innodb_instant_alter_column');

let $format= 3;
while ($format) {
let $engine= `SELECT CONCAT('ENGINE=InnoDB ROW_FORMAT=',CASE $format
WHEN 1 THEN 'DYNAMIC'
WHEN 2 THEN 'COMPACT'
ELSE 'REDUNDANT' END)`;

eval CREATE TABLE t1
(id INT PRIMARY KEY, c2 INT UNIQUE,
 c3 POINT NOT NULL DEFAULT ST_GeomFromText('POINT(3 4)'),
 SPATIAL INDEX(c3)) $engine;

INSERT INTO t1 (id, c2) values(1,1);
SELECT * FROM t1;

--enable_info
ALTER TABLE t1 ADD COLUMN (
  d1 INT, d2 INT UNSIGNED DEFAULT 10, d3 VARCHAR(20) NOT NULL DEFAULT 'abcde',
  d4 TIMESTAMP NOT NULL DEFAULT current_timestamp());
--disable_info

SELECT * FROM t1;
INSERT INTO t1 (id) VALUES(2),(3),(4),(5),(6);

--enable_info
ALTER TABLE t1 CHANGE d1 d1 INT DEFAULT 5, CHANGE d2 d2 INT DEFAULT 15,
CHANGE d3 d3 VARCHAR(20) NOT NULL DEFAULT 'fghij',
CHANGE d4 dfour TIMESTAMP NOT NULL DEFAULT now();
--disable_info

INSERT INTO t1 SET id = 7;
SELECT * FROM t1;

# add virtual columns
--enable_info
ALTER TABLE t1 ADD COLUMN e1 INT AS (id * 3);
ALTER TABLE t1 ADD COLUMN e2 VARCHAR(30) AS (d3);
ALTER TABLE t1 ADD COLUMN e3 INT AS (id * 2);

# instant alter
ALTER TABLE t1 CHANGE d3 d3 VARCHAR(20) NOT NULL DEFAULT 'foobar',
ADD COLUMN (d5 CHAR(20) DEFAULT 'hijkl', d6 INT DEFAULT -12345, d7 INT);
--disable_info

INSERT INTO t1 SET id = 8;

# Updating a column by extending an existing record
UPDATE t1 SET d3 = 'yyyyy' WHERE id = 1;

# Updating an already materialized column
UPDATE t1 SET d3 = 'xxxxx' WHERE id = 2;

# transaction rollback
BEGIN;
UPDATE t1 SET d3 = 'xxxxx' WHERE id = 3;
SELECT * FROM t1 WHERE id = 3;
ROLLBACK;
SELECT * FROM t1 WHERE id = 3;

# NULL to NULL, no change
BEGIN;
UPDATE t1 SET d7 = NULL WHERE ID = 5;
ROLLBACK;
BEGIN;
UPDATE t1 SET d7 = NULL, d6 = 10 WHERE id = 5;
SELECT * FROM t1 WHERE id = 5;
ROLLBACK;
SELECT * FROM t1 WHERE id = 5;

# add virtual stored columns; not instant
--enable_info
ALTER TABLE t1 ADD COLUMN (f1 VARCHAR(20) AS (concat('x', e2)) STORED);

# instant add
ALTER TABLE t1 ADD COLUMN (d8 VARCHAR(20) DEFAULT 'omnopq');
--disable_info

SELECT * FROM t1;
SHOW CREATE TABLE t1;

--enable_info
ALTER TABLE t1
CHANGE c2 c2 INT DEFAULT 42,
CHANGE d1 d1 INT DEFAULT 1,
CHANGE d2 d2 INT DEFAULT 20,
CHANGE d3 d3 VARCHAR(20) NOT NULL DEFAULT 'boofar';
--disable_info
INSERT INTO t1 SET id=9;
--enable_info
ALTER TABLE t1 DROP c3;
--disable_info

SHOW CREATE TABLE t1;
SELECT * FROM t1;

eval CREATE TABLE t2
(id INT primary key, c1 VARCHAR(4000),
 p GEOMETRY NOT NULL DEFAULT ST_GeomFromText('LINESTRING(0 0,0 1,1 1)'),
 SPATIAL INDEX(p))
$engine;

BEGIN;
INSERT INTO t2 SET id=1, c1=REPEAT('a', 4000);
INSERT INTO t2 SET id=2, c1=REPEAT('a', 4000), p=ST_GeomFromText('POINT(1 1)');
COMMIT;

--enable_info
ALTER TABLE t2 ADD COLUMN d1 VARCHAR(2000) DEFAULT REPEAT('asdf',500);
--disable_info
SELECT * FROM t2;

# inplace update, rollback
BEGIN;
UPDATE t2 SET c1 = repeat(id, 4000);

connection analyze;
ANALYZE TABLE t2;
SELECT clust_index_size FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS
WHERE name = 'test/t2';
connection default;

ROLLBACK;
connection analyze;
ANALYZE TABLE t2;
SELECT clust_index_size FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS
WHERE name = 'test/t2';
connection default;

# non-inplace update. Rollback MUST NOT materialize off-page columns.
BEGIN;
UPDATE t2 SET d1 = repeat(id, 200);
connection analyze;
ANALYZE TABLE t2;
SELECT clust_index_size FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS
WHERE name = 'test/t2';
connection default;
ROLLBACK;
connection analyze;
ANALYZE TABLE t2;
SELECT clust_index_size FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS
WHERE name = 'test/t2';
connection default;

--enable_info
ALTER TABLE t2 DROP p;
--disable_info
SELECT * FROM t2;

# datetime
eval CREATE TABLE t3
(id INT PRIMARY KEY, c2 INT UNSIGNED NOT NULL UNIQUE,
 c3 POLYGON NOT NULL DEFAULT ST_PolyFromText('POLYGON((1 1,2 2,3 3,1 1))'),
 SPATIAL INDEX(c3))
$engine;
INSERT INTO t3(id,c2) VALUES(1,1),(2,2),(3,3);
SELECT * FROM t3;
--enable_info
ALTER TABLE t3 ADD COLUMN
(c4 DATETIME DEFAULT current_timestamp(),
 c5 TIMESTAMP NOT NULL DEFAULT current_timestamp(),
 c6 POINT);
SELECT * FROM t3;
ALTER TABLE t3 ADD COLUMN c7 TIME NOT NULL DEFAULT current_timestamp();
ALTER TABLE t3 ADD COLUMN c8 DATE NOT NULL DEFAULT current_timestamp();
--disable_info
SELECT * FROM t3;

--enable_info
ALTER TABLE t3 ADD COLUMN t TEXT CHARSET utf8
DEFAULT 'The quick brown fox jumps over the lazy dog';
ALTER TABLE t3 ADD COLUMN b BLOB NOT NULL;
--error ER_NO_DEFAULT_FOR_FIELD
INSERT INTO t3 SET id=4;
INSERT INTO t3 SET id=4, c2=0, b=0xf09f98b1;

ALTER TABLE t3 CHANGE t phrase TEXT DEFAULT 0xc3a4c3a448,
CHANGE b b BLOB NOT NULL DEFAULT 'binary line of business';
--disable_info
INSERT INTO t3 SET id=5, c2=9;
SELECT * FROM t3;
--enable_info
ALTER TABLE t3 DROP c3, DROP c7;
--disable_info
SELECT * FROM t3;

eval CREATE TABLE big
(id INT PRIMARY KEY, c1 VARCHAR(4000), c2 VARCHAR(4000), c3 VARCHAR(1000),
 p POINT NOT NULL DEFAULT ST_GeomFromText('POINT(0 0)'), SPATIAL INDEX(p))
$engine;
BEGIN;
INSERT INTO big
SET id=1, c1=REPEAT('a', 200), c2=REPEAT('b', 200), c3=REPEAT('c', 159);
SET @i:=1;
INSERT INTO big SELECT @i:=@i+1, c1, c2, c3, p FROM big;
INSERT INTO big SELECT @i:=@i+1, c1, c2, c3, p FROM big;
INSERT INTO big SELECT @i:=@i+1, c1, c2, c3, p FROM big;
INSERT INTO big SELECT @i:=@i+1, c1, c2, c3, p FROM big;
INSERT INTO big SELECT @i:=@i+1, c1, c2, c3, p FROM big;
COMMIT;
connection analyze;
ANALYZE TABLE big;
SELECT clust_index_size FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS
WHERE name = 'test/big';
connection default;
--enable_info
ALTER TABLE big ADD COLUMN
(d1 INT DEFAULT 0, d2 VARCHAR(20) DEFAULT 'abcde',
 d3 TIMESTAMP NOT NULL DEFAULT current_timestamp ON UPDATE current_timestamp);
--disable_info
CHECKSUM TABLE big;
BEGIN;
INSERT INTO big(id, c1, c2, c3) SELECT @i:=@i+1, c1, c2, c3 FROM big;
INSERT INTO big(id, c1, c2, c3) SELECT @i:=@i+1, c1, c2, c3 FROM big;
CHECKSUM TABLE big;
connection analyze;
ANALYZE TABLE big;
SELECT clust_index_size FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS
WHERE name = 'test/big';
connection default;
ROLLBACK;
CHECKSUM TABLE big;
connection analyze;
ANALYZE TABLE big;
SELECT clust_index_size FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS
WHERE name = 'test/big';
connection default;

--source include/wait_all_purged.inc
DROP TABLE t1,t2,t3,big;

dec $format;
}
disconnect analyze;
SELECT variable_value-@old_instant instants
FROM information_schema.global_status
WHERE variable_name = 'innodb_instant_alter_column';
SET GLOBAL innodb_purge_rseg_truncate_frequency= @saved_frequency;