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# verify that delete triggers can not insert, delete, or update rows in the target table
source include/have_tokudb.inc;
set default_storage_engine='tokudb';
disable_warnings;
drop table if exists t;
enable_warnings;
create table t (id bigint not null primary key, x bigint not null);
insert into t values (1,0),(2,0),(3,0),(4,0);
# verify that a before delete trigger can not insert into the target table
create trigger t_delete before delete on t for each row insert into t values (1000000,0);
begin;
error 1442;
delete from t where x=0;
rollback;
drop trigger t_delete;
# verify that an after delete trigger can not insert into the target table
create trigger t_delete after delete on t for each row insert into t values (1000000,0);
begin;
error 1442;
delete from t where x=0;
rollback;
drop trigger t_delete;
# verify that a before delete trigger can not delete from the target table
create trigger t_delete before delete on t for each row delete from t where id=1000000;
begin;
error 1442;
delete from t where x=0;
rollback;
drop trigger t_delete;
# verify that an after delete trigger can not delete from the target table
create trigger t_delete after delete on t for each row delete from t where id=1000000;
begin;
error 1442;
delete from t where x=0;
rollback;
drop trigger t_delete;
# verify that a before delete trigger can not update the target table
create trigger t_delete before delete on t for each row update t set x=x+1 where id=1000000;
begin;
error 1442;
delete from t where x=0;
rollback;
drop trigger t_delete;
# verify that an after delete trigger can not update the target table
create trigger t_delete after delete on t for each row update t set x=x+1 where id=10000000;
begin;
error 1442;
delete from t where x=0;
rollback;
drop trigger t_delete;
# can execute select on the target table in a delete trigger. it better use a different handler.
create table count (count bigint not null);
create trigger t_delete before delete on t for each row insert into count select count(*) from t;
begin;
delete from t where x=0;
select * from count;
rollback;
drop trigger t_delete;
drop table count;
drop table t;
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