path: root/mysql-test/main/long_unique_bugs.test

--source include/have_innodb.inc
--source include/have_partition.inc

#
# 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;
--let $datadir= `SELECT @@datadir`
--remove_file $datadir/test/load.data

#
# 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;
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 '';
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;
update t1 set f = 'foo';
select * from t1;
select pk, f, row_end > DATE'2030-01-01' from t1 for system_time all;
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');
--error ER_ALTER_OPERATION_NOT_SUPPORTED
ALTER TABLE t1 DROP x, ALGORITHM=INPLACE;
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);
--error ER_DUP_ENTRY
alter table t1 add unique(b);
--query_vertical show keys from t1;
--error ER_DUP_ENTRY
insert into t1 values(1,1);
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;
--error ER_CANT_DROP_FIELD_OR_KEY
ALTER TABLE t1 DROP x;
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;
--error ER_CANT_DROP_FIELD_OR_KEY
ALTER TABLE t1 DROP x;
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;
--error ER_INDEX_COLUMN_TOO_LONG
ALTER TABLE t1 ADD KEY (f);
TRUNCATE TABLE t1;
SELECT * FROM t1 WHERE f LIKE 'foo';
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;
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;
--error ER_CANT_DROP_FIELD_OR_KEY
ALTER TABLE t1 DROP x;
SELECT * FROM t1 WHERE f LIKE 'foo';
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;
--query_vertical show keys from t1;
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;
SELECT a FROM t1;
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;
--error ER_ALTER_OPERATION_NOT_SUPPORTED_REASON
ALTER TABLE t1 DROP KEY f, ADD INDEX idx1(f), ALGORITHM=INSTANT;
ALTER TABLE t1 ADD KEY idx2(f);
DROP TABLE t1;
CREATE TABLE t1(a blob , b blob , unique(a,b));
--error ER_KEY_COLUMN_DOES_NOT_EXITS
alter table t1 drop column b;
insert into t1 values(1,1);
--error ER_DUP_ENTRY
insert into t1 values(1,1);
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);
--error ER_DUP_ENTRY
insert into t1 values(1, default);
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);
--error ER_DUP_ENTRY
insert into t1(a,b) values(10,11);
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;
--error ER_DUP_ENTRY
LOAD DATA INFILE 'load.data'  INTO TABLE t1;
select * from t1;
DROP TABLE t1;
--let $datadir= `select @@datadir`
--remove_file $datadir/test/load.data

#
# MDEV-18901 Wrong results after ADD UNIQUE INDEX(blob_column)
#
--source include/have_innodb.inc
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;
ALTER TABLE t1 ADD SYSTEM VERSIONING ;
SELECT * FROM t1;
REPLACE INTO t1 VALUES ('f'), ('o'), ('o');
SELECT * FROM t1;
# This should be equivalent to the REPLACE above
LOAD DATA INFILE 'load.data' REPLACE INTO TABLE t1;
SELECT * FROM t1;
DROP TABLE t1;
--let $datadir= `select @@datadir`
--remove_file $datadir/test/load.data

#
# 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;
insert into t1 values ('б');
--error ER_DUP_ENTRY
insert into t1 values ('бб');
--error ER_DUP_ENTRY
insert into t1 values ('ббб');
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'
#

--source include/have_innodb.inc
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
--send
  INSERT INTO t2 VALUES (3, 1)/*3*/;

--connection default
INSERT IGNORE INTO t1 VALUES (4, 1)/*4*/;

--connection con1
--error ER_LOCK_DEADLOCK
--reap
--disconnect con1
--connection default
DROP TABLE t1, t2;

#
# MDEV-18791 Wrong error upon creating Aria table with long index on BLOB
#
--error ER_TOO_LONG_KEY
CREATE TABLE t1 (a TEXT, UNIQUE(a)) ENGINE=Aria;

#
# 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);
--let $count=150
--let insert_stmt= insert into t1 values(200)
while ($count)
{
  --let $insert_stmt=$insert_stmt,($count)
  --dec $count
}
--disable_query_log
--echo #BULK insert > 100 rows (MI_MIN_ROWS_TO_DISABLE_INDEXES)
--eval $insert_stmt
--enable_query_log
drop table t1;

#
# MDEV-21804 Assertion `marked_for_read()' failed upon INSERT into table with long unique blob under binlog_row_image=NOBLOB
#

--source include/have_binlog_format_row.inc
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);

# Cleanup
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;
CREATE TABLE t2 (a varchar(900), b VARCHAR(900), UNIQUE (a,b)) ENGINE=MyISAM;
show index from t2;

# Cleanup
DROP TABLE t1,t2;