--source include/have_sequence.inc
--source include/have_innodb.inc

create table t1 (old_c1 integer, old_c2 integer,c1 integer, c2 integer, c3 integer) engine=InnoDB STATS_PERSISTENT=0;
create view v1 as select * from t1 where c2=2;
delimiter /;
create trigger trg_t1 before update on t1 for each row
begin
  set new.old_c1=old.c1;
  set new.old_c2=old.c2;
end;
/
delimiter ;/

insert into t1(c1,c2,c3) values (1,1,1);
insert into t1(c1,c2,c3) values (1,2,2);
insert into t1(c1,c2,c3) values (1,3,3);
insert into t1(c1,c2,c3) values (2,1,4);
insert into t1(c1,c2,c3) values (2,2,5);
insert into t1(c1,c2,c3) values (2,3,6);
insert into t1(c1,c2,c3) values (2,4,7);
insert into t1(c1,c2,c3) values (2,5,8);

commit;
select * from t1;

--echo Test without any index
--source include/update_use_source.inc

--echo Test with an index on updated columns
create index t1_c2 on t1 (c2,c1);
--source include/update_use_source.inc

--echo Test with an index on updated columns
create index t1_c3 on t1 (c3);
--source include/update_use_source.inc

--echo Test with a primary key on updated columns
drop index t1_c3 on t1;
alter table t1 add primary key (c3);
--source include/update_use_source.inc

--echo # Update with error "Subquery returns more than 1 row"
--error ER_SUBQUERY_NO_1_ROW
update t1 set c2=(select c2 from t1);

--echo # Update with error "Subquery returns more than 1 row" and order by
--error ER_SUBQUERY_NO_1_ROW
update t1 set c2=(select c2 from t1) order by c3;

-- echo  Duplicate value on update a primary key
start transaction;
--error ER_DUP_ENTRY
update t1 set c3=0 where exists (select 'X' from t1 a where a.c2 = t1.c2) and c2 >= 3;
rollback;

-- echo  Duplicate value on update a primary key with ignore
start transaction;
--enable_info ONCE
update ignore t1 set c3=0 where exists (select 'X' from t1 a where a.c2 = t1.c2) and c2 >= 3;
rollback;

-- echo  Duplicate value on update a primary key and limit
start transaction;
--error ER_DUP_ENTRY
update t1 set c3=0 where exists (select 'X' from t1 a where a.c2 = t1.c2) and c2 >= 3 limit 2;
rollback;

-- echo  Duplicate value on update a primary key with ignore and limit
start transaction;
--enable_info ONCE
update ignore t1 set c3=0 where exists (select 'X' from t1 a where a.c2 = t1.c2) and c2 >= 3 limit 2;
rollback;

--echo # Update no rows found
--enable_info ONCE
update t1
   set c1=10
 where c1 <2
   and exists (select 'X'
                 from t1 a
                where a.c1 = t1.c1 + 10);

--echo # Update no rows changed
drop trigger trg_t1;
start transaction;
--enable_info ONCE
update t1
   set c1=c1
 where c1 <2
   and exists (select 'X'
                 from t1 a
                where a.c1 = t1.c1);
rollback;

--echo #
--echo # Check call of after trigger
--echo #

delimiter /;
create or replace trigger trg_t2 after update on t1 for each row
begin
  declare msg varchar(100);
  if (new.c3 = 5) then
    set msg=concat('in after update trigger on ',new.c3);
    SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = msg;
  end if;
end;
/
delimiter ;/
--error 1644
update t1 set c1=2 where c3 in (select distinct a.c3 from t1 a where a.c1=t1.c1);

--echo #
--echo # Check update with order by and after trigger
--echo #

--error 1644
update t1 set c1=2 where c3 in (select distinct a.c3 from t1 a where a.c1=t1.c1) order by t1.c2;

drop view v1;
--echo #
--echo # Check update on view with check option
--echo #

create view v1 as select * from t1 where c2=2 with check option;

start transaction;
-- error 1369
update v1 set c2=3 where c1=1;
rollback;

start transaction;
-- error 1369
update v1 set c2=(select max(c3) from v1) where c1=1;
rollback;

start transaction;
update v1 set c2=(select min(va.c3) from v1 va), c1=0 where c1=1;
rollback;

drop view v1;
drop table t1;

--echo #
--echo # Test with a temporary table
--echo #

create temporary table t1 (c1 integer, c2 integer, c3 integer) engine=InnoDb;
insert into t1(c1,c2,c3) values (1,1,1);
insert into t1(c1,c2,c3) values (1,2,2);
insert into t1(c1,c2,c3) values (1,3,3);
insert into t1(c1,c2,c3) values (2,1,4);
insert into t1(c1,c2,c3) values (2,2,5);
insert into t1(c1,c2,c3) values (2,3,6);
insert into t1(c1,c2,c3) values (2,4,7);
insert into t1(c1,c2,c3) values (2,5,8);

start transaction;
--enable_info ONCE
update t1
   set c1=(select a.c2
             from t1 a
            where a.c3 = t1.c3) limit 3;
select * from t1 ;
rollback;
drop table t1;

--echo #
--echo # Test on dynamic columns (blob)
--echo #

create table assets (
  item_name varchar(32) primary key, -- A common attribute for all items
  dynamic_cols  blob  -- Dynamic columns will be stored here
);
INSERT INTO assets VALUES ('MariaDB T-shirt', COLUMN_CREATE('color', 'blue', 'size', 'XL'));
INSERT INTO assets VALUES ('Thinkpad Laptop', COLUMN_CREATE('color', 'black', 'price', 500));
SELECT item_name, COLUMN_GET(dynamic_cols, 'color' as char) AS color FROM assets;
UPDATE assets SET dynamic_cols=COLUMN_ADD(dynamic_cols, 'warranty', '3 years') WHERE item_name='Thinkpad Laptop';
SELECT item_name, COLUMN_GET(dynamic_cols, 'warranty' as char) AS color FROM assets;
UPDATE assets SET dynamic_cols=COLUMN_ADD(dynamic_cols, 'warranty', '4 years')
 WHERE item_name in (select b.item_name
                       from assets b
                      where COLUMN_GET(b.dynamic_cols, 'color' as char) ='black');
SELECT item_name, COLUMN_GET(dynamic_cols, 'warranty' as char) AS color FROM assets;

UPDATE assets SET dynamic_cols=COLUMN_ADD(dynamic_cols, 'warranty', (select COLUMN_GET(b.dynamic_cols, 'color' as char)
                                                                       from assets b
                                                                      where assets.item_name = item_name));
SELECT item_name, COLUMN_GET(dynamic_cols, 'warranty' as char) AS color FROM assets;
drop table assets ;

--echo #
--echo # Test on fulltext columns
--echo #
CREATE TABLE ft2(copy TEXT,FULLTEXT(copy)) ENGINE=MyISAM;
INSERT INTO ft2(copy) VALUES
 ('MySQL vs MariaDB database'),
 ('Oracle vs MariaDB database'),
 ('PostgreSQL vs MariaDB database'),
 ('MariaDB overview'),
 ('Foreign keys'),
 ('Primary keys'),
 ('Indexes'),
 ('Transactions'),
 ('Triggers');
SELECT * FROM ft2 WHERE MATCH(copy) AGAINST('database');
update ft2 set copy = (select max(concat('mykeyword ',substr(b.copy,1,5))) from ft2 b WHERE MATCH(b.copy) AGAINST('database'))
 where MATCH(copy) AGAINST('keys');
SELECT * FROM ft2 WHERE MATCH(copy) AGAINST('mykeyword');
drop table ft2;

--echo #
--echo # Test with MyISAM
--echo #

create table t1 (old_c1 integer, old_c2 integer,c1 integer, c2 integer, c3 integer) engine=MyISAM;
insert t1 (c1,c2,c3) select 0,seq,seq%10 from seq_1_to_500;
insert t1 (c1,c2,c3) select 1,seq,seq%10 from seq_1_to_400;
insert t1 (c1,c2,c3) select 2,seq,seq%10 from seq_1_to_300;
insert t1 (c1,c2,c3) select 3,seq,seq%10 from seq_1_to_200;
create index t1_idx1 on t1(c3);
analyze table t1;

update t1 set c1=2 where exists (select 'x' from t1);
select count(*) from t1 where c1=2;
update t1 set c1=3 where c3 in (select c3 from t1 b where t1.c3=b.c1);
select count(*) from t1 where c1=3;
drop table t1;


--echo #
--echo # Test error on multi_update conversion on view with order by or limit
--echo #

create table t1 (c1 integer) engine=InnoDb;
create table t2 (c1 integer) engine=InnoDb;
create view v1 as select t1.c1 as "t1c1" ,t2.c1 as "t2c1" from t1,t2 where t1.c1=t2.c1;
--error ER_BAD_FIELD_ERROR
update v1 set t1c1=2 order by 1;
update v1 set t1c1=2 limit 1;
drop table t1;
drop table t2;
drop view v1;