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abfc5b3903
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.
484 lines
13 KiB
Text
484 lines
13 KiB
Text
drop table if exists t1, t2;
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drop view if exists v1;
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drop database if exists mysqltest;
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create table t1 (i int);
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create trigger trg before insert on t1 for each row set @a:=1;
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set @a:=0;
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select @a;
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@a
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0
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insert into t1 values (1);
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select @a;
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@a
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1
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drop trigger t1.trg;
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create trigger trg before insert on t1 for each row set @a:=new.i;
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insert into t1 values (123);
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select @a;
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@a
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123
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drop trigger t1.trg;
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drop table t1;
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create table t1 (i int not null, j int);
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create trigger trg before insert on t1 for each row
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begin
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if isnull(new.j) then
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set new.j:= new.i * 10;
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end if;
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end|
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insert into t1 (i) values (1)|
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insert into t1 (i,j) values (2, 3)|
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select * from t1|
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i j
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1 10
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2 3
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drop trigger t1.trg|
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drop table t1|
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create table t1 (i int not null primary key);
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create trigger trg after insert on t1 for each row
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set @a:= if(@a,concat(@a, ":", new.i), new.i);
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set @a:="";
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insert into t1 values (2),(3),(4),(5);
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select @a;
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@a
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2:3:4:5
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drop trigger t1.trg;
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drop table t1;
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create table t1 (aid int not null primary key, balance int not null default 0);
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insert into t1 values (1, 1000), (2,3000);
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create trigger trg before update on t1 for each row
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begin
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declare loc_err varchar(255);
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if abs(new.balance - old.balance) > 1000 then
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set new.balance:= old.balance;
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set loc_err := concat("Too big change for aid = ", new.aid);
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set @update_failed:= if(@update_failed, concat(@a, ":", loc_err), loc_err);
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end if;
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end|
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set @update_failed:=""|
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update t1 set balance=1500|
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select @update_failed;
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select * from t1|
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@update_failed
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Too big change for aid = 2
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aid balance
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1 1500
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2 3000
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drop trigger t1.trg|
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drop table t1|
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create table t1 (i int);
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insert into t1 values (1),(2),(3),(4);
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create trigger trg after update on t1 for each row
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set @total_change:=@total_change + new.i - old.i;
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set @total_change:=0;
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update t1 set i=3;
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select @total_change;
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@total_change
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2
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drop trigger t1.trg;
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drop table t1;
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create table t1 (i int);
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insert into t1 values (1),(2),(3),(4);
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create trigger trg before delete on t1 for each row
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set @del_sum:= @del_sum + old.i;
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set @del_sum:= 0;
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delete from t1 where i <= 3;
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select @del_sum;
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@del_sum
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6
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drop trigger t1.trg;
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drop table t1;
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create table t1 (i int);
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insert into t1 values (1),(2),(3),(4);
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create trigger trg after delete on t1 for each row set @del:= 1;
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set @del:= 0;
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delete from t1 where i <> 0;
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select @del;
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@del
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1
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drop trigger t1.trg;
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drop table t1;
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create table t1 (i int, j int);
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create trigger trg1 before insert on t1 for each row
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begin
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if new.j > 10 then
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set new.j := 10;
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end if;
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end|
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create trigger trg2 before update on t1 for each row
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begin
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if old.i % 2 = 0 then
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set new.j := -1;
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end if;
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end|
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create trigger trg3 after update on t1 for each row
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begin
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if new.j = -1 then
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set @fired:= "Yes";
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end if;
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end|
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set @fired:="";
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insert into t1 values (1,2),(2,3),(3,14);
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select @fired;
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@fired
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select * from t1;
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i j
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1 2
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2 3
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3 10
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update t1 set j= 20;
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select @fired;
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@fired
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Yes
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select * from t1;
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i j
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1 20
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2 -1
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3 20
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drop trigger t1.trg1;
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drop trigger t1.trg2;
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drop trigger t1.trg3;
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drop table t1;
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create table t1 (id int not null primary key, data int);
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create trigger t1_bi before insert on t1 for each row
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set @log:= concat(@log, "(BEFORE_INSERT: new=(id=", new.id, ", data=", new.data,"))");
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create trigger t1_ai after insert on t1 for each row
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set @log:= concat(@log, "(AFTER_INSERT: new=(id=", new.id, ", data=", new.data,"))");
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create trigger t1_bu before update on t1 for each row
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set @log:= concat(@log, "(BEFORE_UPDATE: old=(id=", old.id, ", data=", old.data,
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") new=(id=", new.id, ", data=", new.data,"))");
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create trigger t1_au after update on t1 for each row
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set @log:= concat(@log, "(AFTER_UPDATE: old=(id=", old.id, ", data=", old.data,
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") new=(id=", new.id, ", data=", new.data,"))");
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create trigger t1_bd before delete on t1 for each row
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set @log:= concat(@log, "(BEFORE_DELETE: old=(id=", old.id, ", data=", old.data,"))");
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create trigger t1_ad after delete on t1 for each row
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set @log:= concat(@log, "(AFTER_DELETE: old=(id=", old.id, ", data=", old.data,"))");
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set @log:= "";
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insert into t1 values (1, 1);
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select @log;
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@log
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(BEFORE_INSERT: new=(id=1, data=1))(AFTER_INSERT: new=(id=1, data=1))
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set @log:= "";
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insert ignore t1 values (1, 2);
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select @log;
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@log
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(BEFORE_INSERT: new=(id=1, data=2))
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set @log:= "";
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replace t1 values (1, 3), (2, 2);
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select @log;
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@log
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(BEFORE_INSERT: new=(id=1, data=3))(BEFORE_UPDATE: old=(id=1, data=1) new=(id=1, data=3))(AFTER_UPDATE: old=(id=1, data=1) new=(id=1, data=3))(BEFORE_INSERT: new=(id=2, data=2))(AFTER_INSERT: new=(id=2, data=2))
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alter table t1 add ts timestamp default now();
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set @log:= "";
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replace t1 (id, data) values (1, 4);
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select @log;
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@log
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(BEFORE_INSERT: new=(id=1, data=4))(BEFORE_DELETE: old=(id=1, data=3))(AFTER_DELETE: old=(id=1, data=3))(AFTER_INSERT: new=(id=1, data=4))
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set @log:= "";
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insert into t1 (id, data) values (1, 5), (3, 3) on duplicate key update data= data + 2;
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select @log;
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@log
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(BEFORE_INSERT: new=(id=1, data=5))(BEFORE_UPDATE: old=(id=1, data=4) new=(id=1, data=6))(AFTER_UPDATE: old=(id=1, data=4) new=(id=1, data=6))(BEFORE_INSERT: new=(id=3, data=3))(AFTER_INSERT: new=(id=3, data=3))
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drop table t1;
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create table t1 (i int);
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create trigger trg before insert on t1 for each row set @a:= old.i;
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ERROR HY000: There is no OLD row in on INSERT trigger
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create trigger trg before delete on t1 for each row set @a:= new.i;
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ERROR HY000: There is no NEW row in on DELETE trigger
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create trigger trg before update on t1 for each row set old.i:=1;
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ERROR HY000: Updating of OLD row is not allowed in trigger
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create trigger trg before delete on t1 for each row set new.i:=1;
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ERROR HY000: There is no NEW row in on DELETE trigger
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create trigger trg after update on t1 for each row set new.i:=1;
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ERROR HY000: Updating of NEW row is not allowed in after trigger
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create trigger trg before update on t1 for each row set new.j:=1;
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ERROR 42S22: Unknown column 'j' in 'NEW'
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create trigger trg before update on t1 for each row set @a:=old.j;
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ERROR 42S22: Unknown column 'j' in 'OLD'
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create trigger trg before insert on t2 for each row set @a:=1;
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ERROR 42S02: Table 'test.t2' doesn't exist
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create trigger trg before insert on t1 for each row set @a:=1;
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create trigger trg after insert on t1 for each row set @a:=1;
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ERROR HY000: Trigger already exists
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create trigger trg2 before insert on t1 for each row set @a:=1;
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ERROR HY000: Trigger already exists
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drop trigger t1.trg;
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drop trigger t1.trg;
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ERROR HY000: Trigger does not exist
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create view v1 as select * from t1;
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create trigger trg before insert on v1 for each row set @a:=1;
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ERROR HY000: Trigger's 'v1' is view or temporary table
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drop view v1;
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drop table t1;
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create temporary table t1 (i int);
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create trigger trg before insert on t1 for each row set @a:=1;
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ERROR HY000: Trigger's 't1' is view or temporary table
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drop table t1;
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create table t1 (x1col char);
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create trigger tx1 before insert on t1 for each row set new.x1col = 'x';
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insert into t1 values ('y');
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drop trigger t1.tx1;
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drop table t1;
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create table t1 (i int) engine=myisam;
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insert into t1 values (1), (2);
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create trigger trg1 before delete on t1 for each row set @del_before:= @del_before + old.i;
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create trigger trg2 after delete on t1 for each row set @del_after:= @del_after + old.i;
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set @del_before:=0, @del_after:= 0;
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delete from t1;
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select @del_before, @del_after;
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@del_before @del_after
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3 3
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drop trigger t1.trg1;
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drop trigger t1.trg2;
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drop table t1;
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create table t1 (a int);
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create trigger trg1 before insert on t1 for each row set new.a= 10;
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drop table t1;
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create table t1 (a int);
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insert into t1 values ();
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select * from t1;
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a
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NULL
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drop table t1;
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create database mysqltest;
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use mysqltest;
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create table t1 (i int);
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create trigger trg1 before insert on t1 for each row set @a:= 1;
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drop database mysqltest;
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use test;
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create table t1 (i int, j int default 10, k int not null, key (k));
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create table t2 (i int);
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insert into t1 (i, k) values (1, 1);
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insert into t2 values (1);
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create trigger trg1 before update on t1 for each row set @a:= @a + new.j - old.j;
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create trigger trg2 after update on t1 for each row set @b:= "Fired";
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set @a:= 0, @b:= "";
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update t1, t2 set j = j + 10 where t1.i = t2.i;
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select @a, @b;
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@a @b
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10 Fired
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insert into t1 values (2, 13, 2);
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insert into t2 values (2);
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set @a:= 0, @b:= "";
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update t1, t2 set j = j + 15 where t1.i = t2.i and t1.k >= 2;
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select @a, @b;
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@a @b
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15 Fired
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create trigger trg3 before delete on t1 for each row set @c:= @c + old.j;
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create trigger trg4 before delete on t2 for each row set @d:= @d + old.i;
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create trigger trg5 after delete on t1 for each row set @e:= "After delete t1 fired";
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create trigger trg6 after delete on t2 for each row set @f:= "After delete t2 fired";
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set @c:= 0, @d:= 0, @e:= "", @f:= "";
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delete t1, t2 from t1, t2 where t1.i = t2.i;
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select @c, @d, @e, @f;
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@c @d @e @f
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48 3 After delete t1 fired After delete t2 fired
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drop table t1, t2;
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create table t1 (i int, j int default 10)|
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create table t2 (i int)|
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insert into t2 values (1), (2)|
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create trigger trg1 before insert on t1 for each row
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begin
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if new.i = 1 then
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set new.j := 1;
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end if;
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end|
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create trigger trg2 after insert on t1 for each row set @a:= 1|
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set @a:= 0|
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insert into t1 (i) select * from t2|
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select * from t1|
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i j
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1 1
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2 10
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select @a|
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@a
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1
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drop table t1, t2|
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create table t1 (i int, j int, k int);
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create trigger trg1 before insert on t1 for each row set new.k = new.i;
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create trigger trg2 after insert on t1 for each row set @b:= "Fired";
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set @b:="";
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load data infile '../../std_data/rpl_loaddata.dat' into table t1 (@a, i);
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select *, @b from t1;
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i j k @b
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10 NULL 10 Fired
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15 NULL 15 Fired
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set @b:="";
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load data infile '../../std_data/loaddata5.dat' into table t1 fields terminated by '' enclosed by '' (i, j);
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select *, @b from t1;
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i j k @b
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10 NULL 10 Fired
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15 NULL 15 Fired
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1 2 1 Fired
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3 4 3 Fired
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5 6 5 Fired
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drop table t1;
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create table t1 (i int, at int, k int, key(k)) engine=myisam;
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create table t2 (i int);
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insert into t1 values (1, 1, 1);
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insert into t2 values (1), (2), (3);
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create trigger ai after insert on t1 for each row set @a:= new.at;
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create trigger au after update on t1 for each row set @a:= new.at;
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create trigger ad after delete on t1 for each row set @a:= old.at;
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alter table t1 drop column at;
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select * from t1;
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i k
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1 1
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insert into t1 values (2, 1);
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ERROR 42S22: Unknown column 'at' in 'NEW'
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select * from t1;
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i k
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1 1
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2 1
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update t1 set k = 2 where i = 2;
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ERROR 42S22: Unknown column 'at' in 'NEW'
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select * from t1;
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i k
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1 1
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2 2
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delete from t1 where i = 2;
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ERROR 42S22: Unknown column 'at' in 'OLD'
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select * from t1;
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i k
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1 1
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load data infile '../../std_data/loaddata5.dat' into table t1 fields terminated by '' enclosed by '' (i, k);
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ERROR 42S22: Unknown column 'at' in 'NEW'
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select * from t1;
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i k
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1 1
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1 2
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insert into t1 select 3, 3;
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ERROR 42S22: Unknown column 'at' in 'NEW'
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select * from t1;
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i k
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1 1
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1 2
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3 3
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update t1, t2 set k = k + 10 where t1.i = t2.i;
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ERROR 42S22: Unknown column 'at' in 'NEW'
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select * from t1;
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i k
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1 11
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1 2
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3 3
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update t1, t2 set k = k + 10 where t1.i = t2.i and k < 3;
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ERROR 42S22: Unknown column 'at' in 'NEW'
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select * from t1;
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i k
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1 11
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1 12
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3 3
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delete t1, t2 from t1 straight_join t2 where t1.i = t2.i;
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ERROR 42S22: Unknown column 'at' in 'OLD'
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select * from t1;
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i k
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1 12
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3 3
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delete t2, t1 from t2 straight_join t1 where t1.i = t2.i;
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ERROR 42S22: Unknown column 'at' in 'OLD'
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select * from t1;
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i k
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3 3
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alter table t1 add primary key (i);
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insert into t1 values (3, 4) on duplicate key update k= k + 10;
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ERROR 42S22: Unknown column 'at' in 'NEW'
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select * from t1;
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i k
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3 13
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replace into t1 values (3, 3);
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ERROR 42S22: Unknown column 'at' in 'NEW'
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select * from t1;
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i k
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3 3
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alter table t1 add ts timestamp default now();
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replace into t1 (i, k) values (3, 13);
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ERROR 42S22: Unknown column 'at' in 'OLD'
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select * from t1;
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i k ts
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drop table t1, t2;
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create table t1 (i int, bt int, k int, key(k)) engine=myisam;
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create table t2 (i int);
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insert into t1 values (1, 1, 1), (2, 2, 2);
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insert into t2 values (1), (2), (3);
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create trigger bi before insert on t1 for each row set @a:= new.bt;
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create trigger bu before update on t1 for each row set @a:= new.bt;
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create trigger bd before delete on t1 for each row set @a:= old.bt;
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alter table t1 drop column bt;
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insert into t1 values (3, 3);
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ERROR 42S22: Unknown column 'bt' in 'NEW'
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select * from t1;
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i k
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1 1
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2 2
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update t1 set i = 2;
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ERROR 42S22: Unknown column 'bt' in 'NEW'
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select * from t1;
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i k
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1 1
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2 2
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delete from t1;
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ERROR 42S22: Unknown column 'bt' in 'OLD'
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select * from t1;
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i k
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1 1
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2 2
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load data infile '../../std_data/loaddata5.dat' into table t1 fields terminated by '' enclosed by '' (i, k);
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ERROR 42S22: Unknown column 'bt' in 'NEW'
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select * from t1;
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i k
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1 1
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2 2
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insert into t1 select 3, 3;
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ERROR 42S22: Unknown column 'bt' in 'NEW'
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select * from t1;
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i k
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1 1
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2 2
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update t1, t2 set k = k + 10 where t1.i = t2.i;
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ERROR 42S22: Unknown column 'bt' in 'NEW'
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select * from t1;
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i k
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1 1
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2 2
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update t1, t2 set k = k + 10 where t1.i = t2.i and k < 2;
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ERROR 42S22: Unknown column 'bt' in 'NEW'
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select * from t1;
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i k
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1 1
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2 2
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delete t1, t2 from t1 straight_join t2 where t1.i = t2.i;
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ERROR 42S22: Unknown column 'bt' in 'OLD'
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select * from t1;
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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;
|