#
# MDEV-18707 Server crash in my_hash_sort_bin, ASAN heap-use-after-free in Field::is_null, server hang, corrupted double-linked list
#
create table t1 (a int, b int, c int, d int, e int);
insert into t1 () values
(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),
(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),
(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),
(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),
(),(),(),();
select * into outfile 'load.data' from t1;
create temporary table tmp (a varchar(1024), b int, c int, d int, e linestring, unique (e));
load data infile 'load.data' into table tmp;
delete from tmp;
drop table t1;
drop table tmp;
#
# MDEV-18712 InnoDB indexes are inconsistent with what defined in .frm for table after rebuilding table with index on blob
#
create table t1 (b blob) engine=innodb;
alter table t1 add unique (b);
alter table t1 force;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `b` blob DEFAULT NULL,
  UNIQUE KEY `b` (`b`) USING HASH
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
#
# MDEV-18713 Assertion `strcmp(share->unique_file_name,filename) || share->last_version' failed in test_if_reopen upon REPLACE into table with key on blob
#
create table t1 (pk int, b blob, primary key(pk), unique(b)) engine=myisam;
insert into t1 values (1,'foo');
replace into t1 (pk) values (1);
alter table t1 force;
replace into t1 (pk) values (1);
drop table t1;
#
# MDEV-18722 Assertion `templ->mysql_null_bit_mask' failed in row_sel_store_mysql_rec upon modifying indexed column into blob
#
create table t1 (t time, unique(t)) engine=innodb;
insert into t1 values (null),(null);
alter ignore table t1 modify t text not null default '';
Warnings:
Warning	1265	Data truncated for column 't' at row 1
Warning	1265	Data truncated for column 't' at row 2
drop table t1;
#
# MDEV-18720 Assertion `inited==NONE' failed in ha_index_init upon update on versioned table with key on blob
#
create table t1 ( pk int, f text, primary key (pk), unique(f)) with system versioning;
insert into t1 values (1,'foo');
update t1 set f = 'bar';
select * from t1;
pk	f
1	bar
update t1 set f = 'foo';
select * from t1;
pk	f
1	foo
select pk, f, row_end > DATE'2030-01-01' from t1 for system_time all;
pk	f	row_end > DATE'2030-01-01'
1	foo	1
1	foo	0
1	bar	0
drop table t1;
#
# MDEV-18747 InnoDB: Failing assertion: table->get_ref_count() == 0 upon dropping temporary table with unique blob
#
create temporary table t1 (f blob, unique(f)) engine=innodb;
insert into t1 values (1);
replace into t1 values (1);
drop table t1;
#
# MDEV-18748 REPLACE doesn't work with unique blobs on MyISAM table
#
create table t (b blob, unique(b)) engine=myisam;
insert into t values ('foo');
replace into t values ('foo');
drop table t;
#
# MDEV-18790 Server crash in fields_in_hash_keyinfo after unsuccessful attempt to drop BLOB with long index
#
CREATE TABLE t1 (f INT, x BLOB, UNIQUE (x));
INSERT INTO t1 VALUES (1,'foo');
ALTER TABLE t1 DROP x, ALGORITHM=INPLACE;
ERROR 0A000: ALGORITHM=INPLACE is not supported for this operation. Try ALGORITHM=COPY
UPDATE t1 SET x = 'bar';
DROP TABLE t1;
#
# MDEV-18799 Long unique does not work after failed alter table
#
create table t1(a blob unique , b blob);
insert into t1 values(1,1),(2,1);
alter table t1 add unique(b);
ERROR 23000: Duplicate entry '1' for key 'b'
show keys from t1;;
Table	t1
Non_unique	0
Key_name	a
Seq_in_index	1
Column_name	a
Collation	A
Cardinality	NULL
Sub_part	NULL
Packed	NULL
Null	YES
Index_type	HASH
Comment	
Index_comment	
Ignored	NO
insert into t1 values(1,1);
ERROR 23000: Duplicate entry '1' for key 'a'
DROP TABLE t1;
#
# MDEV-18792 ASAN unknown-crash in _mi_pack_key upon UPDATE after failed ALTER on a table with long BLOB key
#
CREATE TABLE t1 (a TEXT, b INT, UNIQUE(a)) ENGINE=MyISAM;
ALTER TABLE t1 DROP x;
ERROR 42000: Can't DROP COLUMN `x`; check that it exists
UPDATE t1 SET b = 0 WHERE a = 'foo';
DROP TABLE t1;
#
# MDEV-18793 Assertion `0' failed in row_sel_convert_mysql_key_to_innobase, ASAN unknown-crash in
#    row_mysql_store_col_in_innobase_format, warning " InnoDB: Using a partial-field key prefix in search"
#
CREATE TABLE t1 (a TEXT, b INT, UNIQUE(a)) ENGINE=InnoDB;
ALTER TABLE t1 DROP x;
ERROR 42000: Can't DROP COLUMN `x`; check that it exists
UPDATE t1 SET b = 0 WHERE a = 'foo';
DROP TABLE t1;
#
# MDEV-18795 InnoDB: Failing assertion: field->prefix_len > 0 upon DML on table with BLOB index
#
CREATE TEMPORARY TABLE t1 (f BLOB, UNIQUE(f)) ENGINE=InnoDB ROW_FORMAT=COMPACT;
ALTER TABLE t1 ADD KEY (f);
ERROR HY000: Index column size too large. The maximum column size is 767 bytes
TRUNCATE TABLE t1;
SELECT * FROM t1 WHERE f LIKE 'foo';
f
DROP TABLE t1;
#
# MDEV-18798 InnoDB: No matching column for `DB_ROW_HASH_1`and server crash in
#   ha_innobase::commit_inplace_alter_table upon ALTER on table with UNIQUE key
#
CREATE TABLE t1 (a INT, UNIQUE ind USING HASH (a)) ENGINE=InnoDB;
ALTER TABLE t1 CHANGE COLUMN IF EXISTS b a INT;
Warnings:
Note	1054	Unknown column 'b' in 't1'
DROP TABLE t1;
#
# MDEV-18801 InnoDB: Failing assertion: field->col->mtype == type or ASAN heap-buffer-overflow
#   in row_sel_convert_mysql_key_to_innobase upon SELECT on table with long index
#
CREATE TABLE t1 (f VARCHAR(4096), UNIQUE(f)) ENGINE=InnoDB;
ALTER TABLE t1 DROP x;
ERROR 42000: Can't DROP COLUMN `x`; check that it exists
SELECT * FROM t1 WHERE f LIKE 'foo';
f
DROP TABLE t1;
#
# MDEV-18800 Server crash in instant_alter_column_possible or
#   Assertion `!pk->has_virtual()' failed in instant_alter_column_possible upon adding key
#
CREATE TABLE t1 (pk INT, PRIMARY KEY USING HASH (pk)) ENGINE=InnoDB;
show keys from t1;;
Table	t1
Non_unique	0
Key_name	PRIMARY
Seq_in_index	1
Column_name	pk
Collation	A
Cardinality	0
Sub_part	NULL
Packed	NULL
Null	
Index_type	HASH
Comment	
Index_comment	
Ignored	NO
ALTER TABLE t1 ADD INDEX (pk);
DROP TABLE t1;
#
# MDEV-18922 Alter on long unique varchar column makes result null
#
CREATE TABLE t1 (b int, a  varchar(4000));
INSERT INTO t1 VALUES (1, 2),(2,3),(3,4);
ALTER TABLE t1 ADD UNIQUE INDEX (a);
SELECT * FROM t1;
b	a
1	2
2	3
3	4
SELECT a FROM t1;
a
2
3
4
drop table t1;
#
# MDEV-18809 Server crash in fields_in_hash_keyinfo or Assertion `key_info->key_part->field->flags
# & (1<< 30)' failed in setup_keyinfo_hash
#
CREATE TABLE t1 (f VARCHAR(4096), UNIQUE(f)) ENGINE=InnoDB;
ALTER TABLE t1 DROP KEY f, ADD INDEX idx1(f), ALGORITHM=INSTANT;
ERROR 0A000: ALGORITHM=INSTANT is not supported. Reason: ADD INDEX. Try ALGORITHM=NOCOPY
ALTER TABLE t1 ADD KEY idx2(f);
Warnings:
Note	1071	Specified key was too long; max key length is 3072 bytes
DROP TABLE t1;
CREATE TABLE t1(a blob , b blob , unique(a,b));
alter table t1 drop column b;
ERROR 42000: Key column 'b' doesn't exist in table
insert into t1 values(1,1);
insert into t1 values(1,1);
ERROR 23000: Duplicate entry '1-1' for key 'a'
alter table t1 add column c int;
drop table t1;
#
# MDEV-18889 Long unique on virtual fields crashes server
#
create table t1(a blob , b blob as (a) unique);
insert into t1 values(1, default);
insert into t1 values(1, default);
ERROR 23000: Duplicate entry '1' for key 'b'
drop table t1;
create table t1(a blob, b blob, c blob as (left(a, 5000)) virtual, d blob as (left(b, 5000)) persistent, unique(a,b(4000)));
insert into t1(a,b) values(10,11);
insert into t1(a,b) values(10,11);
ERROR 23000: Duplicate entry '10-11' for key 'a'
insert into t1(a,b) values(2,2);
insert into t1(a,b) values(2,3);
insert into t1(a,b) values(3,2);
drop table t1;
#
# MDEV-18888 Server crashes in Item_field::register_field_in_read_map upon MODIFY COLUMN
#
CREATE TABLE t1 ( 
a CHAR(128),
b CHAR(128) AS (a),
c DATETIME,
UNIQUE(c,b(64))
) ENGINE=InnoDB;
ALTER TABLE t1 MODIFY COLUMN c VARCHAR(4096);
drop table t1;
CREATE TABLE t1 (
a CHAR(128),
b CHAR(128) AS (a),
c varchar(5000),
UNIQUE(c,b(64))
) ENGINE=InnoDB;
drop table t1;
#
# MDEV-18967 Load data in system version with long unique does not work
#
CREATE TABLE t1 (data VARCHAR(4), unique(data) using hash) with system versioning;
INSERT INTO t1 VALUES ('A');
SELECT * INTO OUTFILE 'load.data' from t1;
LOAD DATA INFILE 'load.data'  INTO TABLE t1;
ERROR 23000: Duplicate entry 'A' for key 'data'
select * from t1;
data
A
DROP TABLE t1;
#
# MDEV-18901 Wrong results after ADD UNIQUE INDEX(blob_column)
#
CREATE TABLE t1 (data VARCHAR(7961)) ENGINE=InnoDB;
INSERT INTO t1 VALUES ('f'), ('o'), ('o');
SELECT * INTO OUTFILE 'load.data' from t1;
ALTER IGNORE TABLE t1 ADD UNIQUE INDEX (data);
SELECT * FROM t1;
data
f
o
ALTER TABLE t1 ADD SYSTEM VERSIONING ;
SELECT * FROM t1;
data
f
o
REPLACE INTO t1 VALUES ('f'), ('o'), ('o');
SELECT * FROM t1;
data
f
o
# This should be equivalent to the REPLACE above
LOAD DATA INFILE 'load.data' REPLACE INTO TABLE t1;
SELECT * FROM t1;
data
f
o
DROP TABLE t1;
#
# MDEV-18953 Hash index on partial char field not working
#
create table t1 (
c char(10) character set utf8mb4,
unique key a using hash (c(1))
) engine=myisam;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c` char(10) DEFAULT NULL,
  UNIQUE KEY `a` (`c`(1)) USING HASH
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
insert into t1 values ('б');
insert into t1 values ('бб');
ERROR 23000: Duplicate entry '' for key 'a'
insert into t1 values ('ббб');
ERROR 23000: Duplicate entry '' for key 'a'
drop table t1;
#
# MDEV-18904 Assertion `m_part_spec.start_part >= m_part_spec.end_part' failed in ha_partition::index_read_idx_map
#
CREATE TABLE t1 (a INT, UNIQUE USING HASH (a)) PARTITION BY HASH (a) PARTITIONS 2;
INSERT INTO t1 VALUES (2);
REPLACE INTO t1 VALUES (2);
DROP TABLE t1;
#
# MDEV-18820 Assertion `lock_table_has(trx, index->table, LOCK_IX)' failed in lock_rec_insert_check_and_lock upon INSERT into table with blob key'
#
set innodb_lock_wait_timeout= 10;
CREATE TABLE t1 (
id int primary key,
f INT unique
) ENGINE=InnoDB;
CREATE TABLE t2 (
id int primary key,
a blob unique
) ENGINE=InnoDB;
START TRANSACTION;
connect  con1,localhost,root,,test;
connection con1;
set innodb_lock_wait_timeout= 10;
START TRANSACTION;
INSERT INTO t1  VALUES (1,1)/*1*/;
connection default;
INSERT INTO t2 VALUES (2, 1)/*2*/ ;
connection con1;
INSERT INTO t2 VALUES (3, 1)/*3*/;
connection default;
INSERT IGNORE INTO t1 VALUES (4, 1)/*4*/;
connection con1;
ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
disconnect con1;
connection default;
DROP TABLE t1, t2;
#
# MDEV-18791 Wrong error upon creating Aria table with long index on BLOB
#
CREATE TABLE t1 (a TEXT, UNIQUE(a)) ENGINE=Aria;
ERROR 42000: Specified key was too long; max key length is 2300 bytes
#
# MDEV-20001 Potential dangerous regression: INSERT INTO >=100 rows fail for myisam table with HASH indexes
#
create table t1(a int, unique(a) using hash);
#BULK insert > 100 rows (MI_MIN_ROWS_TO_DISABLE_INDEXES)
insert into t1 values(200),(150),(149),(148),(147),(146),(145),(144),(143),(142),(141),(140),(139),(138),(137),(136),(135),(134),(133),(132),(131),(130),(129),(128),(127),(126),(125),(124),(123),(122),(121),(120),(119),(118),(117),(116),(115),(114),(113),(112),(111),(110),(109),(108),(107),(106),(105),(104),(103),(102),(101),(100),(99),(98),(97),(96),(95),(94),(93),(92),(91),(90),(89),(88),(87),(86),(85),(84),(83),(82),(81),(80),(79),(78),(77),(76),(75),(74),(73),(72),(71),(70),(69),(68),(67),(66),(65),(64),(63),(62),(61),(60),(59),(58),(57),(56),(55),(54),(53),(52),(51),(50),(49),(48),(47),(46),(45),(44),(43),(42),(41),(40),(39),(38),(37),(36),(35),(34),(33),(32),(31),(30),(29),(28),(27),(26),(25),(24),(23),(22),(21),(20),(19),(18),(17),(16),(15),(14),(13),(12),(11),(10),(9),(8),(7),(6),(5),(4),(3),(2),(1);
drop table t1;
#
# MDEV-21804 Assertion `marked_for_read()' failed upon INSERT into table with long unique blob under binlog_row_image=NOBLOB
#
SET binlog_row_image= NOBLOB;
CREATE TABLE t1 (pk INT PRIMARY KEY, a text ,UNIQUE(a) using hash);
INSERT INTO t1 VALUES (1,'foo');
create table t2(id int primary key, a blob, b varchar(20) as (LEFT(a,2)));
INSERT INTO t2 VALUES (1, 'foo', default);
DROP TABLE t1, t2;
SET binlog_row_image= FULL;
#
# MDEV-22719 Long unique keys are not created when individual key_part->length < max_key_length but SUM(key_parts->length) > max_key_length
#
CREATE TABLE t1 (a int, b VARCHAR(1000), UNIQUE (a,b)) ENGINE=MyISAM;
show index from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment	Ignored
t1	0	a	1	a	A	NULL	NULL	NULL	YES	HASH			NO
t1	0	a	2	b	A	NULL	NULL	NULL	YES	HASH			NO
CREATE TABLE t2 (a varchar(900), b VARCHAR(900), UNIQUE (a,b)) ENGINE=MyISAM;
show index from t2;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment	Ignored
t2	0	a	1	a	A	NULL	NULL	NULL	YES	HASH			NO
t2	0	a	2	b	A	NULL	NULL	NULL	YES	HASH			NO
DROP TABLE t1,t2;
#
# MDEV-26453 Assertion `0' failed in row_upd_sec_index_entry & corruption
#
CREATE TABLE t (c INT AUTO_INCREMENT KEY, UNIQUE USING HASH(c));
ERROR HY000: Function or expression 'AUTO_INCREMENT' cannot be used in the USING HASH clause of `c`
CREATE TABLE t (c INT AUTO_INCREMENT KEY);
CREATE UNIQUE INDEX i USING HASH ON t (c);
ERROR HY000: Function or expression 'AUTO_INCREMENT' cannot be used in the USING HASH clause of `c`
INSERT INTO t VALUES (0);
SELECT * FROM t;
c
1
DELETE FROM t;
DROP TABLE t;
#
# MDEV-28098 incorrect key in "dup value" error after long unique
#
create table t1 (v3 int primary key, v2 text(100) unique not null, v1 int unique) engine=innodb;
insert into t1 values ( -32768 , -128 , 58 ) , ( -1 , 44 , -128 );
create table t2 (v6 int primary key, v5 text, a int not null) engine=innodb;
insert into t2 values ( 50 , 61 , -1 ) , ( -2147483648 , -128 , 0 );
update t1 set v2 = 1, v3 = -128;
ERROR 23000: Duplicate entry '1' for key 'v2'
update t1,t2 set v1 = v2 , v5 = 0;
ERROR 23000: Duplicate entry '-128' for key 'v1'
drop table t1, t2;
#
# MDEV-23264 Unique blobs allow duplicate values upon UPDATE
#
CREATE TABLE t1 (f TEXT UNIQUE);
INSERT INTO t1 VALUES (NULL),(NULL);
UPDATE t1 SET f = '';
ERROR 23000: Duplicate entry '' for key 'f'
SELECT * FROM t1;
f

NULL
DROP TABLE t1;
#
# MDEV-21540 Initialization of already inited long unique index on reorganize partition
#
create table t1 (x int, a blob)
partition by range (x) (
partition p1 values less than (50),
partition pn values less than maxvalue);
insert into t1 values (1, 1), (100, 1);
alter table t1 add unique key (a);
ERROR 23000: Duplicate entry '1' for key 'a'
update t1 set a= x;
alter table t1 add unique key (a);
update t1 set a= 1;
ERROR 23000: Duplicate entry '1' for key 'a'
update t1 set a= x + 1;
alter table t1 reorganize partition p1 into (
partition n0 values less than (10),
partition n1 values less than (50));
drop table t1;
#
# MDEV-29199 Unique hash key is ignored upon INSERT ... SELECT into non-empty MyISAM table
#
create table t1 (a int, b text, unique(b)) engine=MyISAM;
insert into t1 values (0,'aa');
insert into t1 (a,b) select 1,'xxx' from seq_1_to_5;
ERROR 23000: Duplicate entry 'xxx' for key 'b'
select * from t1;
a	b
0	aa
1	xxx
drop table t1;
#
# MDEV-22756 SQL Error (1364): Field 'DB_ROW_HASH_1' doesn't have a default value
#
create table t1 (f text not null, unique (f));
insert into t1 (f) select 'f';
drop table t1;
#
# MDEV-32012 hash unique corrupts index on virtual blobs
#
create table t1 (
f1 varchar(25),
v1 mediumtext generated always as (concat('f1:', f1)) virtual,
unique key (f1) using hash,
key (v1(1000))
) charset=latin1;
flush status;
insert ignore t1 (f1) values (9599),(94410);
show status like 'handler_read_next';
Variable_name	Value
Handler_read_next	1
# the above MUST BE =1
check table t1 extended;
Table	Op	Msg_type	Msg_text
test.t1	check	status	OK
update t1 set f1=100 where f1=9599;
update t1 set f1=9599 where f1=100;
check table t1 extended;
Table	Op	Msg_type	Msg_text
test.t1	check	status	OK
drop table t1;
#
# MDEV-32015 insert into an empty table fails with hash unique
#
create table t1 (f1 varchar(25), unique (f1) using hash);
insert ignore t1 (f1) values ('new york'),('virginia'),('spouse'),(null),('zqekmqpwutxnzddrbjycyo'),('nebraska'),('illinois'),('qe'),('ekmqpwut'),('arizona'),('arizona');
Warnings:
Warning	1062	Duplicate entry 'arizona' for key 'f1'
check table t1 extended;
Table	Op	Msg_type	Msg_text
test.t1	check	status	OK
drop table t1;
#
# End of 10.4 tests
#
#
# MDEV-22113 SIGSEGV, ASAN use-after-poison, Assertion `next_insert_id == 0' in handler::ha_external_lock
#
create temporary table tmp ( a int, b int, c blob not null, d int, e int default 0, f int, unique key (c)) engine=innodb;
create table t2 (x int);
lock table t2 write;
update tmp set c = 'foo';
start transaction;
alter table tmp alter column a set default 8;
unlock tables;
drop table t2;
#
# MDEV-22218 InnoDB: Failing assertion: node->pcur->rel_pos == BTR_PCUR_ON upon LOAD DATA with NO_BACKSLASH_ESCAPES in SQL_MODE and unique blob in table
#
create table t1 (pk int primary key, f blob, unique(f)) engine=innodb;
insert t1 values (1, null);
select * into outfile 't1.data' from t1;
load data infile 't1.data' replace into table t1;
select * from t1;
pk	f
1	NULL
drop table t1;
create table t1 (a int, b blob) engine=myisam;
insert t1 values (1,'foo'),(2,'bar'), (3, 'bar');
create table t2 (c int, d blob, unique(d)) engine=myisam;
insert t2 select * from t1;
ERROR 23000: Duplicate entry 'bar' for key 'd'
select * from t2;
c	d
1	foo
2	bar
insert ignore t2 select * from t1;
Warnings:
Warning	1062	Duplicate entry 'foo' for key 'd'
Warning	1062	Duplicate entry 'bar' for key 'd'
Warning	1062	Duplicate entry 'bar' for key 'd'
select * from t2;
c	d
1	foo
2	bar
replace t2 select * from t1;
select * from t2;
c	d
1	foo
3	bar
update t1, t2 set t2.d='off' where t1.a=t2.c and t1.b='foo';
select * from t2;
c	d
1	off
3	bar
alter table t2 add system versioning;
delete from t2 using t1, t2 where t1.a=t2.c and t1.b='foo';
select * from t2;
c	d
3	bar
create or replace table t2 (a int, b blob, unique(b)) as select * from t1;
ERROR 23000: Duplicate entry 'bar' for key 'b'
select * from t2;
ERROR 42S02: Table 'test.t2' doesn't exist
create or replace table t2 (a int, b blob, unique(b)) ignore as select * from t1;
Warnings:
Warning	1062	Duplicate entry 'bar' for key 'b'
select * from t2;
a	b
1	foo
2	bar
create or replace table t2 (a int, b blob, unique(b)) replace as select * from t1;
select * from t2;
a	b
1	foo
3	bar
drop table if exists t1, t2;
#
# MDEV-22185 Failing assertion: node->pcur->rel_pos == BTR_PCUR_ON or ER_KEY_NOT_FOUND or Assertion `inited==NONE' failed in handler::ha_index_init
#
create table t1 (a int, b int, unique (b) using hash) engine=innodb partition by key (a) partitions 2;
insert into t1 values (1,10),(2,20);
update t1 set b = 30 limit 1;
drop table t1;
#
# MDEV-32839 LONG UNIQUE gives error when used with REPLACE
#
create table t1 (
f1 bigint(20) not null auto_increment primary key,
f2 varchar(30) default null,
f3 varchar(30) default null,
f4 varchar(255) default null,
f5 varchar(30) default null,
f6 varchar(255) default null,
f7 varchar(255) default null,
unique problem_key (f3,f5,f6,f2,f4,f7) using hash
) engine=myisam;
insert  t1 (f2, f3, f4, f5, f6, f7) values ('00004', '0001009089999', '', 'netstes', 'psit', 'd');
replace t1 (f2, f3, f4, f5, f6, f7) values ('00004', '0001009089999', '', 'netstes', 'psit', 'd');
insert  t1 (f2, f3, f4, f5, f6, f7) values ('00004', '0001009089999', '', 'netstes', 'psit', 'e');
replace t1 (f2, f3, f4, f5, f6, f7) values ('00004', '0001009089999', '', 'netstes', 'psit', 'e');
select * from t1;
f1	f2	f3	f4	f5	f6	f7
2	00004	0001009089999		netstes	psit	d
4	00004	0001009089999		netstes	psit	e
drop table t1;
create table t1 (
f1 bigint(20) not null auto_increment primary key,
f2 varchar(30) default null,
f3 varchar(30) default null,
f4 varchar(255) default null,
f5 varchar(30) default null,
f6 varchar(255) default null,
f7 varchar(255) default null,
unique problem_key (f3,f5,f6,f2,f4,f7) using hash
) engine=innodb;
insert  t1 (f2, f3, f4, f5, f6, f7) values ('00004', '0001009089999', '', 'netstes', 'psit', 'd');
replace t1 (f2, f3, f4, f5, f6, f7) values ('00004', '0001009089999', '', 'netstes', 'psit', 'd');
insert  t1 (f2, f3, f4, f5, f6, f7) values ('00004', '0001009089999', '', 'netstes', 'psit', 'e');
replace t1 (f2, f3, f4, f5, f6, f7) values ('00004', '0001009089999', '', 'netstes', 'psit', 'e');
select * from t1;
f1	f2	f3	f4	f5	f6	f7
2	00004	0001009089999		netstes	psit	d
4	00004	0001009089999		netstes	psit	e
drop table t1;
create table t1 (
f1 bigint(20) not null auto_increment primary key,
f2 varchar(30) default null,
f3 varchar(30) default null,
f4 varchar(255) default null,
f5 varchar(30) default null,
f6 varchar(255) default null,
f7 varchar(255) default null,
unique problem_key (f3,f5,f6,f2,f4,f7) using hash
) engine=myisam partition by key(f1) partitions 2;
insert  t1 (f2, f3, f4, f5, f6, f7) values ('00004', '0001009089999', '', 'netstes', 'psit', 'd');
replace t1 (f2, f3, f4, f5, f6, f7) values ('00004', '0001009089999', '', 'netstes', 'psit', 'd');
insert  t1 (f2, f3, f4, f5, f6, f7) values ('00004', '0001009089999', '', 'netstes', 'psit', 'e');
replace t1 (f2, f3, f4, f5, f6, f7) values ('00004', '0001009089999', '', 'netstes', 'psit', 'e');
select * from t1;
f1	f2	f3	f4	f5	f6	f7
2	00004	0001009089999		netstes	psit	d
4	00004	0001009089999		netstes	psit	e
drop table t1;
create table t1 (
f1 bigint(20) not null auto_increment primary key,
f2 varchar(30) default null,
f3 varchar(30) default null,
f4 varchar(255) default null,
f5 varchar(30) default null,
f6 varchar(255) default null,
f7 varchar(255) default null,
unique problem_key (f3,f5,f6,f2,f4,f7) using hash
) engine=innodb partition by key(f1) partitions 2;
insert  t1 (f2, f3, f4, f5, f6, f7) values ('00004', '0001009089999', '', 'netstes', 'psit', 'd');
replace t1 (f2, f3, f4, f5, f6, f7) values ('00004', '0001009089999', '', 'netstes', 'psit', 'd');
insert  t1 (f2, f3, f4, f5, f6, f7) values ('00004', '0001009089999', '', 'netstes', 'psit', 'e');
replace t1 (f2, f3, f4, f5, f6, f7) values ('00004', '0001009089999', '', 'netstes', 'psit', 'e');
select * from t1;
f1	f2	f3	f4	f5	f6	f7
2	00004	0001009089999		netstes	psit	d
4	00004	0001009089999		netstes	psit	e
drop table t1;
#
# MDEV-29954 Unique hash key on column prefix is computed incorrectly
#
create table t1 (c char(10),unique key a using hash (c(1)));
insert into t1 values (0);
check table t1 extended;
Table	Op	Msg_type	Msg_text
test.t1	check	status	OK
drop table t1;
#
# MDEV-32837 long unique does not work like unique key when using replace
#
CREATE TABLE t1 (a INT PRIMARY KEY, b INT, c INT, UNIQUE KEY `test` (b,c) USING HASH) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1,1,1),(2,2,2);
REPLACE INTO t1 VALUES (3,1,1);
SELECT * FROM t1 ORDER BY a;
a	b	c
2	2	2
3	1	1
REPLACE INTO t1 VALUES (3,2,2);
SELECT * FROM t1;
a	b	c
3	2	2
DROP TABLE t1;
# MDEV-30046 wrong row targeted with "insert ... on duplicate" and
# "replace", leading to data corruption
create table t (s blob, n int, unique (s)) engine=innodb;
insert into t values ('Hrecvx_0004ln-00',1), ('Hrecvx_0004mm-00',1);
replace into t values ('Hrecvx_0004mm-00',2);
select * from t;
s	n
Hrecvx_0004ln-00	1
Hrecvx_0004mm-00	2
drop table t;
create table t (s blob, n int, unique (s)) engine=innodb;
insert into t values ('Hrecvx_0004ln-00',1), ('Hrecvx_0004mm-00',1);
insert into t values ('Hrecvx_0004mm-00',2)
on duplicate key update n = values (n);
select * from t;
s	n
Hrecvx_0004ln-00	1
Hrecvx_0004mm-00	2
drop table t;
#
# MDEV-29345 update case insensitive (large) unique key with insensitive change of value - duplicate key
#
create table t1 (a int, b text, unique (b));
insert ignore t1 values (1, 'a'), (2, 'A');
Warnings:
Warning	1062	Duplicate entry 'A' for key 'b'
select * from t1;
a	b
1	a
update t1 set b='A' where a=1;
select * from t1;
a	b
1	A
drop table t1;
create table t1 (a int, b blob, unique (b));
insert t1 values (1, 'a'), (2, 'A');
select * from t1;
a	b
1	a
2	A
update t1 set b='A' where a=1;
ERROR 23000: Duplicate entry 'A' for key 'b'
drop table t1;
#
# MDEV-25102 UNIQUE USING HASH error after ALTER ... DISABLE KEYS
#
create table t1 (i int, unique key (i) using hash);
alter table t1 disable keys;
insert into t1 values (1),(2);
insert into t1 values (1);
ERROR 23000: Duplicate entry '1' for key 'i'
alter table t1 enable keys;
insert into t1 values (2);
ERROR 23000: Duplicate entry '2' for key 'i'
drop table t1;
#
# MDEV-25654 Unexpected ER_CRASHED_ON_USAGE and Assertion `limit >= trx_id' failed in purge_node_t::skip
#
create table t1 (a int, unique using hash (a)) engine=innodb
partition by range(a) (
partition p1 values less than (2),
partition p2 values less than (101)
);
insert into t1 select seq from seq_1_to_100;
alter table t1 add partition (partition p3 values less than (maxvalue));
alter table t1 force;
drop table t1;
#
# MDEV-33658 cannot add a foreign key on a table with a long UNIQUE
# multi-column index, that contains a foreign key as a prefix.
#
create table a (id int primary key) engine = innodb;
create table b (id int,
long_text varchar(1000),
constraint unique_b unique key (id, long_text)
) engine=innodb default charset utf8mb4;
alter table b add constraint b_fk_id foreign key (id) references a (id);
show create table b;
Table	Create Table
b	CREATE TABLE `b` (
  `id` int(11) DEFAULT NULL,
  `long_text` varchar(1000) DEFAULT NULL,
  UNIQUE KEY `unique_b` (`id`,`long_text`) USING HASH,
  KEY `b_fk_id` (`id`),
  CONSTRAINT `b_fk_id` FOREIGN KEY (`id`) REFERENCES `a` (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table b;
drop table a;
# veirfy that duplicate has unique is detected
create table t1 (a blob unique);
alter table t1 add constraint constraint_1 unique (a);
Warnings:
Note	1831	Duplicate index `constraint_1`. This is deprecated and will be disallowed in a future release
drop table t1;
#
# MDEV-33675 assertion(reclength < vreclength) in setup_vcols_for_repair()
#
create table t (c1 bit, unique key(c1) using hash) engine=myisam;
insert into t values (0);
check table t;
Table	Op	Msg_type	Msg_text
test.t	check	status	OK
insert into t values();
select cast(c1 as unsigned) c1 from t;
c1
0
NULL
drop table t;
create table t1 (c1 bit, c2 long as (c1) virtual, c3 char(10),
c4 long as (c1) stored) engine=myisam;
insert into t1 (c1, c3) values (1, "a");
check table t1;
Table	Op	Msg_type	Msg_text
test.t1	check	status	OK
insert into t1 values();
select hex(c1), hex(c2), c3, hex(c4) from t1;
hex(c1)	hex(c2)	c3	hex(c4)
1	01	a	01
NULL	NULL	NULL	NULL
drop table t1;
create table t1 (c1 bit, c2 long as (c1) virtual, c3 char(10),
c4 long as (c1) stored) engine=aria;
insert into t1 (c1, c3) values (1, "a");
check table t1;
Table	Op	Msg_type	Msg_text
test.t1	check	status	OK
insert into t1 values();
select hex(c1), hex(c2), c3, hex(c4) from t1;
hex(c1)	hex(c2)	c3	hex(c4)
1	01	a	01
NULL	NULL	NULL	NULL
drop table t1;
# End of 10.5 tests
#
# MDEV-36852 Table definition gets corrupt after adding unique hash key
#
create table t1 (a text, b int, foreign key(a) references x(x)) engine=myisam;
Warnings:
Note	1071	Specified key was too long; max key length is 1000 bytes
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` text DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`(250))
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
alter table t1 add unique(a), add key(a);
Warnings:
Note	1071	Specified key was too long; max key length is 1000 bytes
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` text DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  UNIQUE KEY `a` (`a`) USING HASH,
  KEY `a_2` (`a`(250))
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
#
# MDEV-37203 UBSAN: applying zero offset to null pointer in strings/ctype-uca.inl | my_uca_strnncollsp_onelevel_utf8mb4 | handler::check_duplicate_long_entries_update
#
create table t (a int,b text unique key);
insert into t (a) values (1);
update t set a=2;
drop table t;
# End of 10.6 tests