# TestUpdateGenColInTxn
drop table if exists t;
create table t(a bigint, b bigint as (a+1));
begin;
insert into t(a) values(1);
-- error 3105
update t set b=6 where b=2;
commit;
select * from t;

# TestUpdateWithAutoidSchema
drop table if exists t1, t2, t3;
create table t1(id int primary key auto_increment, n int);
create table t2(id int primary key, n float auto_increment, key I_n(n));
create table t3(id int primary key, n double auto_increment, key I_n(n));
insert into t1 set n = 1;
select * from t1 where id = 1;
update t1 set id = id+1;
select * from t1 where id = 2;
insert into t1 set n = 2;
select * from t1 where id = 3;
update t1 set id = id + '1.1' where id = 3;
select * from t1 where id = 4;
insert into t1 set n = 3;
select * from t1 where id = 5;
update t1 set id = id + '0.5' where id = 5;
select * from t1 where id = 6;
insert into t1 set n = 4;
select * from t1 where id = 7;
insert into t2 set id = 1;
select * from t2 where id = 1;
update t2 set n = n+1;
select * from t2 where id = 1;
insert into t2 set id = 2;
select * from t2 where id = 2;
update t2 set n = n + '2.2';
select * from t2 where id = 2;
insert into t2 set id = 3;
select * from t2 where id = 3;
update t2 set n = n + '0.5' where id = 3;
select * from t2 where id = 3;
insert into t2 set id = 4;
select * from t2 where id = 4;
insert into t3 set id = 1;
select * from t3 where id = 1;
update t3 set n = n+1;
select * from t3 where id = 1;
insert into t3 set id = 2;
select * from t3 where id = 2;
update t3 set n = n + '3.3';
select * from t3 where id = 2;
insert into t3 set id = 3;
select * from t3 where id = 3;
update t3 set n = n + '0.5' where id = 3;
select * from t3 where id = 3;
insert into t3 set id = 4;
select * from t3 where id = 4;

# TestUpdateMultiDatabaseTable
drop table if exists t;
drop database if exists test2;
create database test2;
create table t(a int, b int generated always  as (a+1) virtual);
create table test2.t(a int, b int generated always  as (a+1) virtual);
update t, test2.t set executor__update.t.a=1;
drop database test2;

# TestUpdateSwapColumnValues
drop table if exists t1, t2;
create table t1 (c_str varchar(40));
create table t2 (c_str varchar(40));
insert into t1 values ('Alice');
insert into t2 values ('Bob');
select t1.c_str, t2.c_str from t1, t2 where t1.c_str <= t2.c_str;
update t1, t2 set t1.c_str = t2.c_str, t2.c_str = t1.c_str where t1.c_str <= t2.c_str;
select t1.c_str, t2.c_str from t1, t2 where t1.c_str <= t2.c_str;
drop table if exists t;
create table t (a int, b int);
insert into t values(1, 2);
select * from t;
update t set a=b, b=a;
select * from t;
drop table if exists t;
create table t (a int, b int);
insert into t values (1,3);
select * from t;
update t set a=b, b=a;
select * from t;
drop table if exists t;
create table t (a int, b int, c int as (-a) virtual, d int as (-b) stored);
insert into t(a, b) values (10, 11), (20, 22);
select * from t;
update t set a=b, b=a;
select * from t;
update t set b=30, a=b;
select * from t;

# TestMultiUpdateOnSameTable
drop table if exists t;
create table t(x int, y int);
insert into t values();
update t t1, t t2 set t2.y=1, t1.x=2;
select * from t;
update t t1, t t2 set t1.x=t2.y, t2.y=t1.x;
select * from t;

## Update generated columns
drop table if exists t;
create table t(x int, y int, z int as (x+10) stored, w int as (y-10) virtual);
insert into t(x, y) values(1, 2), (3, 4);
update t t1, t t2 set t2.y=1, t1.x=2 where t1.x=1;
select * from t;
update t t1, t t2 set t1.x=5, t2.y=t1.x where t1.x=3;
select * from t;
drop table if exists t;
create table t(a int, b int, c int as (a+b) stored);
insert into t(a, b) values (1, 2);
update t t1, t t2 set t2.a=3;
select * from t;
update t t1, t t2 set t1.a=4, t2.b=5;
select * from t;

## Update primary keys
drop table if exists t;
create table t (a int primary key);
insert into t values (1), (2);
update t set a=a+2;
select * from t;
update t m, t n set m.a = n.a+10 where m.a=n.a;
select * from t;
drop table if exists t;
create table t (a int primary key, b int);
insert into t values (1,3), (2,4);
-- error 1706
update t m, t n set m.a = n.a+10, n.b = m.b+1 where m.a=n.a;
drop table if exists t;
create table t (a int, b int, c int, primary key(a, b));
insert into t values (1,3,5), (2,4,6);
update t m, t n set m.a = n.a+10, m.b = n.b+10 where m.a=n.a;
select * from t;
update t m, t n, t q set q.c=m.a+n.b, n.c = m.a+1, m.c = n.b+1 where m.b=n.b AND m.a=q.a;
select * from t;
-- error 1706
update t m, t n, t q set m.a = m.a+1, n.c = n.c-1, q.c = q.a+q.b where m.b=n.b and n.b=q.b;

# TestUpdateClusterIndex
set tidb_enable_clustered_index = on;
drop table if exists t;
create table t(id varchar(200) primary key, v int);
insert into t(id, v) values ('abc', 233);
select id, v from t where id = 'abc';
update t set id = 'dfg' where id = 'abc';
select * from t;
update t set id = 'aaa', v = 333 where id = 'dfg';
select * from t where id = 'aaa';
update t set v = 222 where id = 'aaa';
select * from t where id = 'aaa';
insert into t(id, v) values ('bbb', 111);
-- error 1062
update t set id = 'bbb' where id = 'aaa';
drop table if exists ut3pk;
create table ut3pk(id1 varchar(200), id2 varchar(200), v int, id3 int, primary key(id1, id2, id3));
insert into ut3pk(id1, id2, v, id3) values ('aaa', 'bbb', 233, 111);
select id1, id2, id3, v from ut3pk where id1 = 'aaa' and id2 = 'bbb' and id3 = 111;
update ut3pk set id1 = 'abc', id2 = 'bbb2', id3 = 222, v = 555 where id1 = 'aaa' and id2 = 'bbb' and id3 = 111;
select id1, id2, id3, v from ut3pk where id1 = 'abc' and id2 = 'bbb2' and id3 = 222;
select id1, id2, id3, v from ut3pk;
update ut3pk set v = 666 where id1 = 'abc' and id2 = 'bbb2' and id3 = 222;
select id1, id2, id3, v from ut3pk;
insert into ut3pk(id1, id2, id3, v) values ('abc', 'bbb3', 222, 777);
-- error 1062
update ut3pk set id2 = 'bbb3' where id1 = 'abc' and id2 = 'bbb2' and id3 = 222;
drop table if exists ut1pku;
create table ut1pku(id varchar(200) primary key, uk int, v int, unique key ukk(uk));
insert into ut1pku(id, uk, v) values('a', 1, 2), ('b', 2, 3);
select * from ut1pku;
update ut1pku set uk = 3 where id = 'a';
select * from ut1pku;
-- error 1062
update ut1pku set uk = 2 where id = 'a';
select * from ut1pku;
drop table if exists t;
create table t(a char(10) primary key, b char(10));
insert into t values('a', 'b');
update t set a='c' where t.a='a' and b='b';
select * from t;
drop table if exists s;
create table s (a int, b int, c int, primary key (a, b));
insert s values (3, 3, 3), (5, 5, 5);
update s set c = 10 where a = 3;
select * from s;
set tidb_enable_clustered_index = default;

# TestDeleteClusterIndex
set tidb_enable_clustered_index = on;
drop table if exists t;
create table t(id varchar(200) primary key, v int);
insert into t(id, v) values ('abc', 233);
delete from t where id = 'abc';
select * from t;
select * from t where id = 'abc';
drop table if exists it3pk;
create table it3pk(id1 varchar(200), id2 varchar(200), v int, id3 int, primary key(id1, id2, id3));
insert into it3pk(id1, id2, v, id3) values ('aaa', 'bbb', 233, 111);
delete from it3pk where id1 = 'aaa' and id2 = 'bbb' and id3 = 111;
select * from it3pk;
select * from it3pk where id1 = 'aaa' and id2 = 'bbb' and id3 = 111;
insert into it3pk(id1, id2, v, id3) values ('aaa', 'bbb', 433, 111);
select * from it3pk where id1 = 'aaa' and id2 = 'bbb' and id3 = 111;
drop table if exists dt3pku;
create table dt3pku(id varchar(200) primary key, uk int, v int, unique key uuk(uk));
insert into dt3pku(id, uk, v) values('a', 1, 2);
delete from dt3pku where id = 'a';
select * from dt3pku;
insert into dt3pku(id, uk, v) values('a', 1, 2);
drop table if exists s1;
create table s1 (a int, b int, c int, primary key (a, b));
insert s1 values (3, 3, 3), (5, 5, 5);
delete from s1 where a = 3;
select * from s1;
set tidb_enable_clustered_index = default;

# TestReplaceClusterIndex
set tidb_enable_clustered_index = on;
drop table if exists rt1pk;
create table rt1pk(id varchar(200) primary key, v int);
replace into rt1pk(id, v) values('abc', 1);
select * from rt1pk;
replace into rt1pk(id, v) values('bbb', 233), ('abc', 2);
select * from rt1pk;
drop table if exists rt3pk;
create table rt3pk(id1 timestamp, id2 time, v int, id3 year, primary key(id1, id2, id3));
replace into rt3pk(id1, id2,id3, v) values('2018-01-01 11:11:11', '22:22:22', '2019', 1);
select * from rt3pk;
replace into rt3pk(id1, id2, id3, v) values('2018-01-01 11:11:11', '22:22:22', '2019', 2);
select * from rt3pk;
drop table if exists rt1pk1u;
create table rt1pk1u(id varchar(200) primary key, uk int, v int, unique key uuk(uk));
replace into rt1pk1u(id, uk, v) values("abc", 2, 1);
select * from rt1pk1u;
replace into rt1pk1u(id, uk, v) values("aaa", 2, 11);
select * from rt1pk1u;
set tidb_enable_clustered_index = default;

# TestOutOfRangeWithUnsigned
drop table if exists t;
create table t(ts int(10) unsigned NULL DEFAULT NULL);
insert into t values(1);
-- error 1690
update t set ts = IF(ts < (0 - ts), 1,1) where ts>0;

# TestIssue23553
drop table if exists tt;
create table tt (m0 varchar(64), status tinyint not null);
insert into tt values('1',0),('1',0),('1',0);
update tt a inner join (select m0 from tt where status!=1 group by m0 having count(*)>1) b on a.m0=b.m0 set a.status=1;

# TestUpdateUnsignedWithOverflow
# see issue https://github.com/pingcap/tidb/issues/47816
drop table if exists t1;
create table t1(id int, a int unsigned);
set sql_mode='';
insert into t1 values(1, 10), (2, 20);
update t1 set a='-1' where id=1;
update t1 set a='1000000000000000000' where id=2;
select id, a from t1 order by id asc;
set sql_mode=default;

# TestIssue21447
drop table if exists t1;
create table t1(id int primary key, name varchar(40));
insert into t1 values(1, 'abc');

begin pessimistic;

connect (conn1, localhost, root,, executor__update);
begin pessimistic;
--enable_info
update t1 set name='xyz' where id=1;
--disable_info
select * from t1 where id = 1;
commit;
disconnect conn1;

--enable_info
update t1 set name='xyz' where id=1;
--disable_info
select * from t1 where id = 1;
select * from t1 where id = 1 for update;
select * from t1 where id in (1, 2);
select * from t1 where id in (1, 2) for update;
commit;

# TestUpdate
drop table if exists update_test;
create table update_test(id int not null default 1, name varchar(255), PRIMARY KEY(id));
insert INTO update_test VALUES (1, "hello");
insert into update_test values (2, "hello");
--enable_info
UPDATE update_test SET name = "abc" where id > 0;
--disable_info

## select data
begin;
SELECT * from update_test limit 2;
commit;

--enable_info
UPDATE update_test SET name = "foo";
--disable_info

## table option is auto-increment
begin;
drop table if exists update_test;
commit;
begin;
create table update_test(id int not null auto_increment, name varchar(255), primary key(id));
insert into update_test(name) values ('aa');
--enable_info
update update_test set id = 8 where name = 'aa';
--disable_info
insert into update_test(name) values ('bb');
commit;
begin;
select * from update_test;
commit;
begin;
drop table if exists update_test;
commit;
begin;
create table update_test(id int not null auto_increment, name varchar(255), index(id));
insert into update_test(name) values ('aa');
-- error 1048
update update_test set id = null where name = 'aa';

drop table update_test;
create table update_test(id int);
begin;
insert into update_test(id) values (1);
--enable_info
update update_test set id = 2 where id = 1 limit 1;
--disable_info
select * from update_test;
commit;

## Test that in a transaction, when a constraint failed in an update statement, the record is not inserted.
drop table if exists update_unique;
create table update_unique (id int primary key, name int unique);
insert update_unique values (1, 1), (2, 2);
begin;
-- error 1062
update update_unique set name = 1 where id = 2;
commit;
select * from update_unique;

## test update ignore for pimary key
drop table if exists t;
create table t(a bigint, primary key (a));
insert into t values (1);
insert into t values (2);
--enable_info
update ignore t set a = 1 where a = 2;
--disable_info
SHOW WARNINGS;
select * from t;

## test update ignore for truncate as warning
update ignore t set a = 1 where a = (select '2a');
SHOW WARNINGS;

update ignore t set a = 42 where a = 2;
select * from t;

## test update ignore for unique key
drop table if exists t;
create table t(a bigint, unique key I_uniq (a));
insert into t values (1);
insert into t values (2);
--enable_info
update ignore t set a = 1 where a = 2;
--disable_info
SHOW WARNINGS;
select * from t;

## test issue21965
drop table if exists t;
create table t (a int) partition by list (a) (partition p0 values in (0,1));
analyze table t;
insert ignore into t values (1);
--enable_info
update ignore t set a=2 where a=1;
--disable_info
drop table if exists t;
create table t (a int key) partition by list (a) (partition p0 values in (0,1));
insert ignore into t values (1);
--enable_info
update ignore t set a=2 where a=1;
--disable_info

drop table if exists t;
create table t(id integer auto_increment, t1 datetime, t2 datetime, primary key (id));
insert into t(t1, t2) values('2000-10-01 01:01:01', '2017-01-01 10:10:10');
select * from t;
--enable_info
update t set t1 = '2017-10-01 10:10:11', t2 = date_add(t1, INTERVAL 10 MINUTE) where id = 1;
--disable_info
select * from t;

## for issue #5132
drop table if exists tt1;
CREATE TABLE `tt1` (`a` int(11) NOT NULL,`b` varchar(32) DEFAULT NULL,`c` varchar(32) DEFAULT NULL,PRIMARY KEY (`a`),UNIQUE KEY `b_idx` (`b`)) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin;
insert into tt1 values(1, 'a', 'a');
insert into tt1 values(2, 'd', 'b');
select * from tt1;
--enable_info
update tt1 set a=5 where c='b';
--disable_info
select * from tt1;

## Automatic Updating for TIMESTAMP
drop table if exists tsup;
CREATE TABLE `tsup` (`a` int,`ts` TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,KEY `idx` (`ts`));
set @@sql_mode='';
insert into tsup values(1, '0000-00-00 00:00:00');
--enable_info
update tsup set a=5;
--disable_info
select t1.ts = t2.ts from (select ts from tsup use index (idx)) as t1, (select ts from tsup use index ()) as t2;
update tsup set ts='2019-01-01';
select ts from tsup;
set @@sql_mode=default;

## issue 5532
drop table if exists decimals;
create table decimals (a decimal(20, 0) not null);
insert into decimals values (201);
## A warning rather than data truncated error.
--enable_info
update decimals set a = a + 1.23;
--disable_info
show warnings;
select * from decimals;

drop table t;
CREATE TABLE `t` (	`c1` year DEFAULT NULL, `c2` year DEFAULT NULL, `c3` date DEFAULT NULL, `c4` datetime DEFAULT NULL,	KEY `idx` (`c1`,`c2`));
UPDATE t SET c2=16777215 WHERE c1>= -8388608 AND c1 < -9 ORDER BY c1 LIMIT 2;
-- error 1288
update (select * from t) t set c1 = 1111111;

## test update ignore for bad null error
drop table if exists t;
create table t (i int not null default 10);
insert into t values (1);
--enable_info
update ignore t set i = null;
--disable_info
SHOW WARNINGS;
select * from t;

## issue 7237, update subquery table should be forbidden
drop table t;
create table t (k int, v int);
-- error 1288
update t, (select * from t) as b set b.k = t.k;
update t, (select * from t) as b set t.k = b.k;

## issue 8045
drop table if exists t1;
CREATE TABLE t1 (c1 float);
INSERT INTO t1 SET c1 = 1;
--enable_info
UPDATE t1 SET c1 = 1.2 WHERE c1=1;
--disable_info

## issue 8119
drop table if exists t;
create table t (c1 float(1,1));
insert into t values (0.0);
-- error 1264
update t set c1 = 2.0;

drop table if exists t;
create table t(a datetime not null, b datetime);
insert into t value('1999-12-12', '1999-12-13');
set @@sql_mode='';
select * from t;
update t set a = '';
select * from t;
update t set b = '';
select * from t;
set @@sql_mode=default;

drop view if exists v;
create view v as select * from t;
-- error 1288
update v set a = '2000-11-11';
drop view v;

drop sequence if exists seq;
create sequence seq;
-- error 1054
update seq set minvalue=1;
drop sequence seq;

drop table if exists t1, t2;
create table t1(a int, b int, c int, d int, e int, index idx(a));
create table t2(a int, b int, c int);
update t1 join t2 on t1.a=t2.a set t1.a=1 where t2.b=1 and t2.c=2;

## Assign `DEFAULT` in `UPDATE` statement
drop table if exists t1, t2;
create table t1 (a int default 1, b int default 2);
insert into t1 values (10, 10), (20, 20);
update t1 set a=default where b=10;
select * from t1;
update t1 set a=30, b=default where a=20;
select * from t1;
update t1 set a=default, b=default where a=30;
select * from t1;
insert into t1 values (40, 40);
update t1 set a=default, b=default;
select * from t1;
update t1 set a=default(b), b=default(a);
select * from t1;
## With generated columns
create table t2 (a int default 1, b int generated always as (-a) virtual, c int generated always as (-a) stored);
insert into t2 values (10, default, default), (20, default, default);
update t2 set b=default;
select * from t2;
update t2 set a=30, b=default where a=10;
select * from t2;
update t2 set c=default, a=40 where c=-20;
select * from t2;
update t2 set a=default, b=default, c=default where b=-30;
select * from t2;
update t2 set a=default(a), b=default, c=default;
select * from t2;
## Same as in MySQL 8.0.27, but still weird behavior: a=default(b) => NULL
update t2 set a=default(b), b=default, c=default;
select * from t2;
-- error 3105
update t2 set b=default(a);
update t2 set a=default(a), c=default(c);
select * from t2;
## Same as in MySQL 8.0.27, but still weird behavior: a=default(b) => NULL
update t2 set a=default(b), b=default(b);
select * from t2;
update t2 set a=default(a), c=default(c);
select * from t2;
## Allowed in MySQL, but should probably not be allowed.
-- error 3105
update t2 set a=default(a), c=default(a);
drop table t1, t2;

# TestUpdateSelect
drop table if exists msg, detail;
create table msg (id varchar(8), b int, status int, primary key (id, b));
insert msg values ('abc', 1, 1);
create table detail (id varchar(8), start varchar(8), status int, index idx_start(start));
insert detail values ('abc', '123', 2);
--enable_info
UPDATE msg SET msg.status = (SELECT detail.status FROM detail WHERE msg.id = detail.id);
--disable_info
admin check table msg;

# TestUpdateDelete
drop table if exists ttt;
CREATE TABLE ttt (id bigint(20) NOT NULL, host varchar(30) NOT NULL, PRIMARY KEY (id), UNIQUE KEY i_host (host));
insert into ttt values (8,8),(9,9);
begin;
--enable_info
update ttt set id = 0, host='9' where id = 9 limit 1;
--disable_info
delete from ttt where id = 0 limit 1;
select * from ttt use index (i_host) order by host;
--enable_info
update ttt set id = 0, host='8' where id = 8 limit 1;
--disable_info
delete from ttt where id = 0 limit 1;
select * from ttt use index (i_host) order by host;
commit;
admin check table ttt;
drop table ttt;

# TestUpdateAffectRowCnt
drop table if exists a;
create table a(id int auto_increment, a int default null, primary key(id));
insert into a values (1, 1001), (2, 1001), (10001, 1), (3, 1);
--enable_info
update a set id = id*10 where a = 1001;
--disable_info
drop table a;
create table a ( a bigint, b bigint);
insert into a values (1, 1001), (2, 1001), (10001, 1), (3, 1);
--enable_info
update a set a = a*10 where b = 1001;
--disable_info

# TestMultipleTableUpdate
drop table if exists items, month;
CREATE TABLE items (id int, price TEXT);
--enable_info
insert into items values (11, "items_price_11"), (12, "items_price_12"), (13, "items_price_13");
--disable_info
CREATE TABLE month (mid int, mprice TEXT);
--enable_info
insert into month values (11, "month_price_11"), (22, "month_price_22"), (13, "month_price_13");
UPDATE items, month  SET items.price=month.mprice WHERE items.id=month.mid;
--disable_info
begin;
SELECT * FROM items;
commit;

## Single-table syntax but with multiple tables
--enable_info
UPDATE items join month on items.id=month.mid SET items.price=month.mid;
--disable_info
begin;
SELECT * FROM items;
commit;

## JoinTable with alias table name.
--enable_info
UPDATE items T0 join month T1 on T0.id=T1.mid SET T0.price=T1.mprice;
--disable_info
begin;
SELECT * FROM items;
commit;

## fix https://github.com/pingcap/tidb/issues/369
DROP TABLE IF EXISTS t1, t2;
create table t1 (c int);
create table t2 (c varchar(256));
insert into t1 values (1), (2);
insert into t2 values ("a"), ("b");
--enable_info
update t1, t2 set t1.c = 10, t2.c = "abc";
--disable_info

## fix https://github.com/pingcap/tidb/issues/376
DROP TABLE IF EXISTS t1, t2;
create table t1 (c1 int);
create table t2 (c2 int);
insert into t1 values (1), (2);
insert into t2 values (1), (2);
--enable_info
update t1, t2 set t1.c1 = 10, t2.c2 = 2 where t2.c2 = 1;
--disable_info
select * from t1;

## test https://github.com/pingcap/tidb/issues/3604
drop table if exists t;
create table t (a int, b int);
--enable_info
insert into t values(1, 1), (2, 2), (3, 3);
update t m, t n set m.a = m.a + 1;
--disable_info
select * from t;
--enable_info
update t m, t n set n.a = n.a - 1, n.b = n.b + 1;
--disable_info
select * from t;

# TestUpdateCastOnlyModifiedValues for issue #4514.
drop table if exists update_modified;
create table update_modified (col_1 int, col_2 enum('a', 'b'));
set SQL_MODE='';
insert into update_modified values (0, 3);
SELECT * FROM update_modified;
set SQL_MODE=STRICT_ALL_TABLES;
--enable_info
update update_modified set col_1 = 1;
--disable_info
SELECT * FROM update_modified;
-- error 1265
update update_modified set col_1 = 2, col_2 = 'c';
SELECT * FROM update_modified;
--enable_info
update update_modified set col_1 = 3, col_2 = 'a';
--disable_info
SELECT * FROM update_modified;

## Test update a field with different column type.
drop table if exists update_with_diff_type;
CREATE TABLE update_with_diff_type (a int, b JSON);
INSERT INTO update_with_diff_type VALUES(3, '{"a": "测试"}');
--enable_info
UPDATE update_with_diff_type SET a = '300';
--disable_info
SELECT a FROM update_with_diff_type;
--enable_info
UPDATE update_with_diff_type SET b = '{"a":   "\\u6d4b\\u8bd5"}';
--disable_info
SELECT b FROM update_with_diff_type;
set SQL_MODE=default;

# TestUpdateIgnoreWithFK
drop table if exists parent, child;
create table parent (id int primary key, ref int, key(ref));
create table child (id int primary key, ref int, foreign key (ref) references parent(ref));
insert into parent values (1, 1), (2, 2);
insert into child values (1, 1);

update child set ref = 2 where id = 1;
-- error 1452
update child set ref = 3 where id = 1;
--enable_warnings
update ignore child set ref = 3 where id = 1;
--disable_warnings

-- error 1451
update parent set ref = 3 where id = 2;
--enable_warnings
update ignore parent set ref = 3 where id = 2;
--disable_warnings

# Issue 65067
# Create tables with nonclustered primary key
DROP TABLE IF EXISTS t, tp;
CREATE TABLE t (a INT, b INT, dt DATE, PRIMARY KEY (a) NONCLUSTERED);
CREATE TABLE tp (a INT, b INT, dt DATE, PRIMARY KEY (a) NONCLUSTERED) 
PARTITION BY RANGE (a) (
    PARTITION p0 VALUES LESS THAN (5),
    PARTITION p1 VALUES LESS THAN (11),
    PARTITION p2 VALUES LESS THAN (20)
);

# Insert test data
INSERT INTO tp(a,b) VALUES (2,2),(4,4),(6,6);
INSERT INTO t(a,b) VALUES (12,12),(14,14),(15,15),(16,16);

# Check _tidb_rowid before exchange
SELECT *, _tidb_rowid FROM t ORDER BY a;
SELECT *, _tidb_rowid FROM tp ORDER BY a;

# Exchange partition
ALTER TABLE tp EXCHANGE PARTITION p2 WITH TABLE t;

# Verify _tidb_rowid conflicts exist
SELECT *, _tidb_rowid FROM tp ORDER BY a;
# Shows duplicate _tidb_rowid values: (a=2,12 both have rowid=1), (a=4,14 both have rowid=2), (a=6,15 both have rowid=3)

# Attempt to update all rows
UPDATE tp SET dt = '2025-12-16';
# Expected: 7 rows affected
# Bug: Only 4 rows affected

SELECT *, _tidb_rowid FROM tp ORDER BY a;

# Another update to confirm the issue
UPDATE tp SET b = 333;
# Expected: 7 rows affected
# Bug: Only 4 rows affected

SELECT *, _tidb_rowid FROM tp ORDER BY a;
DROP TABLE t, tp;