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Added test for bug #5894 "Triggers with altered tables cause corrupt

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databases" and basic handling of errors which happen in triggers.
(The bug itself was fixed by several previous patches).
Fixed bug in multi-delete which were exposed by these tests.


mysql-test/r/trigger.result:
  Added test for bug #5894 "Triggers with altered tables cause corrupt
  databases" and basic handling of errors which happen in triggers.
mysql-test/t/trigger.test:
  Added test for bug #5894 "Triggers with altered tables cause corrupt
  databases" and basic handling of errors which happen in triggers.
sql/sql_delete.cc:
  multi_delete::send_eof():
    Fixed bug which were exposed by testing of basic handling of errors
    in triggers. Error which happened in multi_delete::do_deletes() 
    was wiped out by thd->clear_error() and thus never sent to client
    (and this stalled client connection).
This commit is contained in:
unknown
2005-05-30 18:55:56 +04:00
parent a985031a29
commit 02425b7bf0
3 changed files with 296 additions and 2 deletions
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167
mysql-test/r/trigger.result
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@ -315,3 +315,170 @@ i j k @b
3 4 3 Fired
5 6 5 Fired
drop table t1;
create table t1 (i int, at int, k int, key(k)) engine=myisam;
create table t2 (i int);
insert into t1 values (1, 1, 1);
insert into t2 values (1), (2), (3);
create trigger ai after insert on t1 for each row set @a:= new.at;
create trigger au after update on t1 for each row set @a:= new.at;
create trigger ad after delete on t1 for each row set @a:= old.at;
alter table t1 drop column at;
select * from t1;
i k
1 1
insert into t1 values (2, 1);
ERROR 42S22: Unknown column 'at' in 'NEW'
select * from t1;
i k
1 1
2 1
update t1 set k = 2 where i = 2;
ERROR 42S22: Unknown column 'at' in 'NEW'
select * from t1;
i k
1 1
2 2
delete from t1 where i = 2;
ERROR 42S22: Unknown column 'at' in 'OLD'
select * from t1;
i k
1 1
load data infile '../../std_data/loaddata5.dat' into table t1 fields terminated by '' enclosed by '' (i, k);
ERROR 42S22: Unknown column 'at' in 'NEW'
select * from t1;
i k
1 1
1 2
insert into t1 select 3, 3;
ERROR 42S22: Unknown column 'at' in 'NEW'
select * from t1;
i k
1 1
1 2
3 3
update t1, t2 set k = k + 10 where t1.i = t2.i;
ERROR 42S22: Unknown column 'at' in 'NEW'
select * from t1;
i k
1 11
1 2
3 3
update t1, t2 set k = k + 10 where t1.i = t2.i and k < 3;
ERROR 42S22: Unknown column 'at' in 'NEW'
select * from t1;
i k
1 11
1 12
3 3
delete t1, t2 from t1 straight_join t2 where t1.i = t2.i;
ERROR 42S22: Unknown column 'at' in 'OLD'
select * from t1;
i k
1 12
3 3
delete t2, t1 from t2 straight_join t1 where t1.i = t2.i;
ERROR 42S22: Unknown column 'at' in 'OLD'
select * from t1;
i k
3 3
alter table t1 add primary key (i);
insert into t1 values (3, 4) on duplicate key update k= k + 10;
ERROR 42S22: Unknown column 'at' in 'NEW'
select * from t1;
i k
3 13
replace into t1 values (3, 3);
ERROR 42S22: Unknown column 'at' in 'NEW'
select * from t1;
i k
3 3
alter table t1 add ts timestamp default now();
replace into t1 (i, k) values (3, 13);
ERROR 42S22: Unknown column 'at' in 'OLD'
select * from t1;
i k ts
drop table t1, t2;
create table t1 (i int, bt int, k int, key(k)) engine=myisam;
create table t2 (i int);
insert into t1 values (1, 1, 1), (2, 2, 2);
insert into t2 values (1), (2), (3);
create trigger bi before insert on t1 for each row set @a:= new.bt;
create trigger bu before update on t1 for each row set @a:= new.bt;
create trigger bd before delete on t1 for each row set @a:= old.bt;
alter table t1 drop column bt;
insert into t1 values (3, 3);
ERROR 42S22: Unknown column 'bt' in 'NEW'
select * from t1;
i k
1 1
2 2
update t1 set i = 2;
ERROR 42S22: Unknown column 'bt' in 'NEW'
select * from t1;
i k
1 1
2 2
delete from t1;
ERROR 42S22: Unknown column 'bt' in 'OLD'
select * from t1;
i k
1 1
2 2
load data infile '../../std_data/loaddata5.dat' into table t1 fields terminated by '' enclosed by '' (i, k);
ERROR 42S22: Unknown column 'bt' in 'NEW'
select * from t1;
i k
1 1
2 2
insert into t1 select 3, 3;
ERROR 42S22: Unknown column 'bt' in 'NEW'
select * from t1;
i k
1 1
2 2
update t1, t2 set k = k + 10 where t1.i = t2.i;
ERROR 42S22: Unknown column 'bt' in 'NEW'
select * from t1;
i k
1 1
2 2
update t1, t2 set k = k + 10 where t1.i = t2.i and k < 2;
ERROR 42S22: Unknown column 'bt' in 'NEW'
select * from t1;
i k
1 1
2 2
delete t1, t2 from t1 straight_join t2 where t1.i = t2.i;
ERROR 42S22: Unknown column 'bt' in 'OLD'
select * from t1;
i k
1 1
2 2
delete t2, t1 from t2 straight_join t1 where t1.i = t2.i;
ERROR 42S22: Unknown column 'bt' in 'OLD'
select * from t1;
i k
1 1
2 2
alter table t1 add primary key (i);
drop trigger t1.bi;
insert into t1 values (2, 4) on duplicate key update k= k + 10;
ERROR 42S22: Unknown column 'bt' in 'NEW'
select * from t1;
i k
1 1
2 2
replace into t1 values (2, 4);
ERROR 42S22: Unknown column 'bt' in 'NEW'
select * from t1;
i k
1 1
2 2
alter table t1 add ts timestamp default now();
replace into t1 (i, k) values (2, 11);
ERROR 42S22: Unknown column 'bt' in 'OLD'
select * from t1;
i k ts
1 1 0000-00-00 00:00:00
2 2 0000-00-00 00:00:00
drop table t1, t2;