diff options
Diffstat (limited to 'mysql-test/r/trigger.result')
| -rw-r--r-- | mysql-test/r/trigger.result | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/mysql-test/r/trigger.result b/mysql-test/r/trigger.result new file mode 100644 index 00000000000..4a85097cfce --- /dev/null +++ b/mysql-test/r/trigger.result @@ -0,0 +1,192 @@ +drop table if exists t1, t2; +drop view if exists v1; +create table t1 (i int); +create trigger trg before insert on t1 for each row set @a:=1; +set @a:=0; +select @a; +@a +0 +insert into t1 values (1); +select @a; +@a +1 +drop trigger t1.trg; +create trigger trg before insert on t1 for each row set @a:=new.i; +insert into t1 values (123); +select @a; +@a +123 +drop trigger t1.trg; +drop table t1; +create table t1 (i int not null, j int); +create trigger trg before insert on t1 for each row +begin +if isnull(new.j) then +set new.j:= new.i * 10; +end if; +end| +insert into t1 (i) values (1)| +insert into t1 (i,j) values (2, 3)| +select * from t1| +i j +1 10 +2 3 +drop trigger t1.trg| +drop table t1| +create table t1 (i int not null primary key); +create trigger trg after insert on t1 for each row +set @a:= if(@a,concat(@a, ":", new.i), new.i); +set @a:=""; +insert into t1 values (2),(3),(4),(5); +select @a; +@a +2:3:4:5 +drop trigger t1.trg; +drop table t1; +create table t1 (aid int not null primary key, balance int not null default 0); +insert into t1 values (1, 1000), (2,3000); +create trigger trg before update on t1 for each row +begin +declare loc_err varchar(255); +if abs(new.balance - old.balance) > 1000 then +set new.balance:= old.balance; +set loc_err := concat("Too big change for aid = ", new.aid); +set @update_failed:= if(@update_failed, concat(@a, ":", loc_err), loc_err); +end if; +end| +set @update_failed:=""| +update t1 set balance=1500| +select @update_failed; +select * from t1| +@update_failed +Too big change for aid = 2 +aid balance +1 1500 +2 3000 +drop trigger t1.trg| +drop table t1| +create table t1 (i int); +insert into t1 values (1),(2),(3),(4); +create trigger trg after update on t1 for each row +set @total_change:=@total_change + new.i - old.i; +set @total_change:=0; +update t1 set i=3; +select @total_change; +@total_change +2 +drop trigger t1.trg; +drop table t1; +create table t1 (i int); +insert into t1 values (1),(2),(3),(4); +create trigger trg before delete on t1 for each row +set @del_sum:= @del_sum + old.i; +set @del_sum:= 0; +delete from t1 where i <= 3; +select @del_sum; +@del_sum +6 +drop trigger t1.trg; +drop table t1; +create table t1 (i int); +insert into t1 values (1),(2),(3),(4); +create trigger trg after delete on t1 for each row set @del:= 1; +set @del:= 0; +delete from t1 where i <> 0; +select @del; +@del +1 +drop trigger t1.trg; +drop table t1; +create table t1 (i int, j int); +create trigger trg1 before insert on t1 for each row +begin +if new.j > 10 then +set new.j := 10; +end if; +end| +create trigger trg2 before update on t1 for each row +begin +if old.i % 2 = 0 then +set new.j := -1; +end if; +end| +create trigger trg3 after update on t1 for each row +begin +if new.j = -1 then +set @fired:= "Yes"; +end if; +end| +set @fired:=""; +insert into t1 values (1,2),(2,3),(3,14); +select @fired; +@fired + +select * from t1; +i j +1 2 +2 3 +3 10 +update t1 set j= 20; +select @fired; +@fired +Yes +select * from t1; +i j +1 20 +2 -1 +3 20 +drop trigger t1.trg1; +drop trigger t1.trg2; +drop trigger t1.trg3; +drop table t1; +create table t1 (i int); +create trigger trg before insert on t1 for each row set @a:= old.i; +ERROR HY000: There is no OLD row in on INSERT trigger +create trigger trg before delete on t1 for each row set @a:= new.i; +ERROR HY000: There is no NEW row in on DELETE trigger +create trigger trg before update on t1 for each row set old.i:=1; +ERROR HY000: Updating of OLD row is not allowed in trigger +create trigger trg before delete on t1 for each row set new.i:=1; +ERROR HY000: There is no NEW row in on DELETE trigger +create trigger trg after update on t1 for each row set new.i:=1; +ERROR HY000: Updating of NEW row is not allowed in after trigger +create trigger trg before update on t1 for each row set new.j:=1; +ERROR 42S22: Unknown column 'j' in 'NEW' +create trigger trg before update on t1 for each row set @a:=old.j; +ERROR 42S22: Unknown column 'j' in 'OLD' +create trigger trg before insert on t2 for each row set @a:=1; +ERROR 42S02: Table 'test.t2' doesn't exist +create trigger trg before insert on t1 for each row set @a:=1; +create trigger trg after insert on t1 for each row set @a:=1; +ERROR HY000: Trigger already exists +create trigger trg2 before insert on t1 for each row set @a:=1; +ERROR HY000: Trigger already exists +drop trigger t1.trg; +drop trigger t1.trg; +ERROR HY000: Trigger does not exist +create view v1 as select * from t1; +create trigger trg before insert on v1 for each row set @a:=1; +ERROR HY000: Trigger's 'v1' is view or temporary table +drop view v1; +drop table t1; +create temporary table t1 (i int); +create trigger trg before insert on t1 for each row set @a:=1; +ERROR HY000: Trigger's 't1' is view or temporary table +drop table t1; +create table t1 (x1col char); +create trigger tx1 before insert on t1 for each row set new.x1col = 'x'; +insert into t1 values ('y'); +drop trigger t1.tx1; +drop table t1; +create table t1 (i int) engine=myisam; +insert into t1 values (1), (2); +create trigger trg1 before delete on t1 for each row set @del_before:= @del_before + old.i; +create trigger trg2 after delete on t1 for each row set @del_after:= @del_after + old.i; +set @del_before:=0, @del_after:= 0; +delete from t1; +select @del_before, @del_after; +@del_before @del_after +3 3 +drop trigger t1.trg1; +drop trigger t1.trg2; +drop table t1; |