#
# MDEV-15563: Instant ROW_FORMAT=REDUNDANT column type change&extension
# (reverted in MDEV-18627)
#
create database best;
use best;
set default_storage_engine=innodb;
set @bigval= repeat('0123456789', 30);
create procedure check_table(table_name varchar(255))
begin
select table_id into @table_id
from information_schema.innodb_sys_tables
where name = concat('best/', table_name);
select name, mtype, hex(prtype) as prtype, len
from information_schema.innodb_sys_columns
where table_id = @table_id;
end~~
# VARCHAR -> CHAR, VARBINARY -> BINARY conversion
set @bigval= repeat('0123456789', 20);
create table t (a varchar(300));
alter table t modify a char(255), algorithm=instant;
ERROR 0A000: ALGORITHM=INSTANT is not supported. Reason: Cannot change column type. Try ALGORITHM=COPY
alter table t modify a char(255), algorithm=copy;
create or replace table t (a varchar(200));
insert into t values (@bigval);
insert into t values ('z');
alter table t modify a char(200);
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
select count(a) from t where a = @bigval;
count(a)
1
select a, length(a) from t where a = 'z';
a	length(a)
z	1
check table t extended;
Table	Op	Msg_type	Msg_text
best.t	check	status	OK
call check_table('t');
name	mtype	prtype	len
a	2	800FE	200
# CHAR enlargement
alter table t modify a char(220);
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
select count(a) from t where a = @bigval;
count(a)
1
select a, length(a) from t where a = 'z';
a	length(a)
z	1
check table t extended;
Table	Op	Msg_type	Msg_text
best.t	check	status	OK
call check_table('t');
name	mtype	prtype	len
a	2	800FE	220
ALTER TABLE t CHANGE COLUMN a a CHAR(230) BINARY;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE t ADD COLUMN b INT FIRST;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE t DROP b;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
check table t extended;
Table	Op	Msg_type	Msg_text
best.t	check	status	OK
call check_table('t');
name	mtype	prtype	len
a	13	2F00FE	230
# Convert from VARCHAR to a bigger CHAR
alter table t modify a varchar(200);
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
alter table t modify a char(255);
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
select count(a) from t where a = @bigval;
count(a)
1
select a, length(a) from t where a = 'z';
a	length(a)
z	1
select * from t;
a
01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789
z
check table t extended;
Table	Op	Msg_type	Msg_text
best.t	check	status	OK
call check_table('t');
name	mtype	prtype	len
a	2	800FE	255
# BINARY/VARBINARY test
create or replace table t (a varbinary(300));
insert into t values(NULL);
alter table t modify a binary(255);
affected rows: 1
info: Records: 1  Duplicates: 0  Warnings: 0
create or replace table t (a varbinary(200));
insert into t values (@bigval);
insert into t values ('z');
alter table t modify a binary(200);
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
select count(a) from t where a = @bigval;
count(a)
1
select length(a) from t where left(a, 1) = 'z';
length(a)
200
check table t extended;
Table	Op	Msg_type	Msg_text
best.t	check	status	OK
call check_table('t');
name	mtype	prtype	len
a	3	3F04FE	200
# BINARY enlargement
alter table t modify a binary(220);
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
check table t extended;
Table	Op	Msg_type	Msg_text
best.t	check	status	OK
call check_table('t');
name	mtype	prtype	len
a	3	3F04FE	220
# Convert from VARBINARY to a bigger BINARY
alter table t modify a varbinary(220);
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
alter table t modify a binary(255);
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
select count(a) from t where a = @bigval;
count(a)
0
select a, length(a) from t where a = 'z';
a	length(a)
select * from t;
a
01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789                                                       
z                                                                                                                                                                                                                                                              
check table t extended;
Table	Op	Msg_type	Msg_text
best.t	check	status	OK
call check_table('t');
name	mtype	prtype	len
a	3	3F04FE	255
# Integer conversions
create or replace table t (x tinyint);
insert into t values (127);
alter table t modify x smallint;
affected rows: 1
info: Records: 1  Duplicates: 0  Warnings: 0
select * from t;
x
127
check table t extended;
Table	Op	Msg_type	Msg_text
best.t	check	status	OK
call check_table('t');
name	mtype	prtype	len
x	6	402	2
update t set x= 32767;
alter table t modify x mediumint;
affected rows: 1
info: Records: 1  Duplicates: 0  Warnings: 0
select * from t;
x
32767
check table t extended;
Table	Op	Msg_type	Msg_text
best.t	check	status	OK
call check_table('t');
name	mtype	prtype	len
x	6	409	3
update t set x= 8388607;
alter table t modify x int;
affected rows: 1
info: Records: 1  Duplicates: 0  Warnings: 0
select * from t;
x
8388607
check table t extended;
Table	Op	Msg_type	Msg_text
best.t	check	status	OK
call check_table('t');
name	mtype	prtype	len
x	6	403	4
update t set x= 2147483647;
alter table t modify x bigint;
affected rows: 1
info: Records: 1  Duplicates: 0  Warnings: 0
select * from t;
x
2147483647
check table t extended;
Table	Op	Msg_type	Msg_text
best.t	check	status	OK
call check_table('t');
name	mtype	prtype	len
x	6	408	8
# Check IMPORT TABLESPACE
create or replace table t2 (x int);
alter table t2 discard tablespace;
create or replace table t1 (x tinyint);
insert into t1 set x= 42;
alter table t1 modify x int;
flush tables t1 for export;
unlock tables;
alter table t2 import tablespace;
select * from t2;
x
42
check table t2 extended;
Table	Op	Msg_type	Msg_text
best.t2	check	status	OK
call check_table('t2');
name	mtype	prtype	len
x	6	403	4
# Check innobase_col_to_mysql() len < flen
create or replace table t1 (x mediumint);
insert into t1 values (1);
insert into t1 values (1);
alter table t1 add column y int first, modify x int;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
alter table t1 add column z int first, add primary key (x);
ERROR 23000: Duplicate entry '1' for key 'PRIMARY'
# Check assertion in wrong instant operation
create or replace table t1 (a varchar(26) not null) default character set utf8mb4;
insert into t1 values ('abcdef'), (repeat('x',26));
alter ignore table t1 modify a varchar(25) not null;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 1
Warnings:
Warning	1265	Data truncated for column 'a' at row 2
select * from t1;
a
abcdef
xxxxxxxxxxxxxxxxxxxxxxxxx
# Check row_mysql_store_col_in_innobase_format()
create or replace table t1(x int primary key, a varchar(20));
insert into t1 (x) values (1);
update t1 set a= 'foo' where x = 2;
#
# MDEV-18124 PK on inplace-enlarged type fails
#
create or replace table t1 (x int, y int);
insert into t1 (x, y) values (11, 22);
alter table t1 modify x bigint;
affected rows: 1
info: Records: 1  Duplicates: 0  Warnings: 0
alter table t1 add primary key (x);
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
select * from t1;
x	y
11	22
check table t1;
Table	Op	Msg_type	Msg_text
best.t1	check	status	OK
create or replace table t1 (a varchar(10), y int);
insert into t1 (a, y) values ("0123456789", 33);
alter table t1 modify a char(15);
affected rows: 1
info: Records: 1  Duplicates: 0  Warnings: 0
alter table t1 add primary key (a);
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
select * from t1;
a	y
0123456789	33
check table t1;
Table	Op	Msg_type	Msg_text
best.t1	check	status	OK
create or replace table t1 (x int primary key, y int);
insert into t1 (x, y) values (44, 55);
alter table t1 modify x bigint;
affected rows: 1
info: Records: 1  Duplicates: 0  Warnings: 0
select * from t1;
x	y
44	55
check table t1;
Table	Op	Msg_type	Msg_text
best.t1	check	status	OK
create or replace table t1 (x int primary key, y int);
insert into t1 values (66, 77);
alter table t1 add column z int;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
alter table t1 drop column y;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
select * from t1;
x	z
66	NULL
check table t1;
Table	Op	Msg_type	Msg_text
best.t1	check	status	OK
create or replace table t1 (x integer, a varchar(20));
insert into t1 (x, a) values (73, 'a');
affected rows: 1
alter table t1 add index idx3 (a);
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
alter table t1 modify a char(20);
affected rows: 1
info: Records: 1  Duplicates: 0  Warnings: 0
select * from t1;
x	a
73	a
check table t1;
Table	Op	Msg_type	Msg_text
best.t1	check	status	OK
drop database best;
#
# MDEV-33214 Table is getting rebuild with
#         ALTER TABLE ADD COLUMN
#
use test;
CREATE TABLE t1(f1 INT, f2 VARCHAR(10)) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_general_ci;
INSERT INTO t1 VALUES(1,'abc'),(2,'def');
ALTER TABLE t1 ADD (f3 VARCHAR(5000), f4 VARCHAR(20)), ALGORITHM=instant;
ALTER TABLE t1 ADD f5 TEXT, ALGORITHM=INSTANT;
DROP TABLE t1;
# End of 10.4 tests