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# Tests which involve triggers and NDB storage engine
--source include/have_ndb.inc
--source include/not_embedded.inc
#
# Test for bug#18437 "Wrong values inserted with a before update
# trigger on NDB table". SQL-layer didn't properly inform handler
# about fields which were read and set in triggers. In some cases
# this resulted in incorrect (garbage) values of OLD variables and
# lost changes to NEW variables.
# You can find similar tests for ON INSERT triggers in federated.test
# since this engine so far is the only engine in MySQL which cares
# about field mark-up during handler::write_row() operation.
#
--disable_warnings
drop table if exists t1, t2, t3;
--enable_warnings
create table t1 (id int primary key, a int not null, b decimal (63,30) default 0) engine=ndb;
create table t2 (op char(1), a int not null, b decimal (63,30));
create table t3 select 1 as i;
delimiter //;
create trigger t1_bu before update on t1 for each row
begin
insert into t2 values ("u", old.a, old.b);
set new.b = old.b + 10;
end;//
create trigger t1_bd before delete on t1 for each row
begin
insert into t2 values ("d", old.a, old.b);
end;//
delimiter ;//
insert into t1 values (1, 1, 1.05), (2, 2, 2.05), (3, 3, 3.05), (4, 4, 4.05);
# Check that usual update works as it should
update t1 set a=5 where a != 3;
select * from t1 order by id;
select * from t2 order by op, a, b;
delete from t2;
# Check that everything works for multi-update
update t1, t3 set a=6 where a = 5;
select * from t1 order by id;
select * from t2 order by op, a, b;
delete from t2;
# Check for delete
delete from t1 where a != 3;
select * from t1 order by id;
select * from t2 order by op, a, b;
delete from t2;
# Check for multi-delete
insert into t1 values (1, 1, 1.05), (2, 2, 2.05), (4, 4, 4.05);
delete t1 from t1, t3 where a != 3;
select * from t1 order by id;
select * from t2 order by op, a, b;
delete from t2;
# Check for insert ... on duplicate key update
insert into t1 values (4, 4, 4.05);
insert into t1 (id, a) values (4, 1), (3, 1) on duplicate key update a= a + 1;
select * from t1 order by id;
select * from t2 order by op, a, b;
delete from t2;
# Check for insert ... select ... on duplicate key update
delete from t3;
insert into t3 values (4), (3);
insert into t1 (id, a) (select i, 1 from t3) on duplicate key update a= a + 1;
select * from t1 order by id;
select * from t2 order by op, a, b;
delete from t2;
# Check for replace
replace into t1 (id, a) values (4, 1), (3, 1);
select * from t1 order by id;
select * from t2 order by op, a, b;
delete from t1;
delete from t2;
# Check for replace ... select ...
insert into t1 values (3, 1, 1.05), (4, 1, 2.05);
replace into t1 (id, a) (select i, 2 from t3);
select * from t1 order by id;
select * from t2 order by op, a, b;
delete from t1;
delete from t2;
# Check for load data replace
insert into t1 values (3, 1, 1.05), (5, 2, 2.05);
load data infile '../std_data_ln/loaddata5.dat' replace into table t1 fields terminated by '' enclosed by '' ignore 1 lines (id, a);
select * from t1 order by id;
select * from t2 order by op, a, b;
drop tables t1, t2, t3;
--echo End of 5.0 tests
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