xref: /dports/databases/xtrabackup8/percona-xtrabackup-8.0.14/mysql-test/t/trigger.test

# This test uses chmod, can't be run with root permissions
-- source include/not_as_root.inc


#
# Basic triggers test
#

# Create additional connections used through test
connect (addconroot1, localhost, root,,);
connect (addconroot2, localhost, root,,);
# Connection without current database set
connect (addconwithoutdb, localhost, root,,*NO-ONE*);
connection default;

create table t1 (i int);

# let us test some very simple trigger
create trigger trg before insert on t1 for each row set @a:=1;
set @a:=0;
select @a;
insert into t1 values (1);
select @a;
drop trigger trg;

# let us test simple trigger reading some values
create trigger trg before insert on t1 for each row set @a:=new.i;
insert into t1 values (123);
select @a;
drop trigger trg;

drop table t1;

# Let us test before insert trigger
# Such triggers can be used for setting complex default values
create table t1 (i int not null, j int);
delimiter |;
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|
drop trigger trg|
drop table t1|
delimiter ;|

# After insert trigger
# Useful for aggregating data
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;
drop trigger trg;
drop table t1;

# Before update trigger
# (In future we will achieve this via proper error handling in triggers)
create table t1 (aid int not null primary key, balance int not null default 0);
insert into t1 values (1, 1000), (2,3000);
delimiter |;
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|
drop trigger trg|
drop table t1|
delimiter ;|

# After update trigger
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;
drop trigger trg;
drop table t1;

# Before delete trigger
# This can be used for aggregation too :)
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;
drop trigger trg;
drop table t1;

# After delete trigger.
# Just run out of imagination.
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;
drop trigger trg;
drop table t1;

# Several triggers on one table
create table t1 (i int, j int);

delimiter |;
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|
delimiter ;|
set @fired:="";
insert into t1 values (1,2),(2,3),(3,14);
select @fired;
select * from t1;
update t1 set j= 20;
select @fired;
select * from t1;

drop trigger trg1;
drop trigger trg2;
drop trigger trg3;
drop table t1;


# Let us test how triggers work for special forms of INSERT such as
# REPLACE and INSERT ... ON DUPLICATE KEY UPDATE
create table t1 (id int not null primary key, data int);
create trigger t1_bi before insert on t1 for each row
  set @log:= concat(@log, "(BEFORE_INSERT: new=(id=", new.id, ", data=", new.data,"))");
create trigger t1_ai after insert on t1 for each row
  set @log:= concat(@log, "(AFTER_INSERT: new=(id=", new.id, ", data=", new.data,"))");
create trigger t1_bu before update on t1 for each row
  set @log:= concat(@log, "(BEFORE_UPDATE: old=(id=", old.id, ", data=", old.data,
                                        ") new=(id=", new.id, ", data=", new.data,"))");
create trigger t1_au after update on t1 for each row
  set @log:= concat(@log, "(AFTER_UPDATE: old=(id=", old.id, ", data=", old.data,
                                       ") new=(id=", new.id, ", data=", new.data,"))");
create trigger t1_bd before delete on t1 for each row
  set @log:= concat(@log, "(BEFORE_DELETE: old=(id=", old.id, ", data=", old.data,"))");
create trigger t1_ad after delete on t1 for each row
  set @log:= concat(@log, "(AFTER_DELETE: old=(id=", old.id, ", data=", old.data,"))");
# Simple INSERT - both triggers should be called
set @log:= "";
insert into t1 values (1, 1);
select @log;
# INSERT IGNORE for already existing key - only before trigger should fire
set @log:= "";
insert ignore t1 values (1, 2);
select @log;
# INSERT ... ON DUPLICATE KEY UPDATE ...
set @log:= "";
insert into t1 (id, data) values (1, 3), (2, 2) on duplicate key update data= data + 1;
select @log;
# REPLACE (also test for bug#13479 "REPLACE activates UPDATE trigger,
#          not the DELETE and INSERT triggers")
# We define REPLACE as INSERT which DELETEs old rows which conflict with
# row being inserted. So for the first record in statement below we will
# call before insert trigger, then delete will be executed (and both delete
# triggers should fire). Finally after insert trigger will be called.
# For the second record we will just call both on insert triggers.
set @log:= "";
replace t1 values (1, 4), (3, 3);
select @log;
# Now we will drop ON DELETE triggers to test REPLACE which is internally
# executed via update
drop trigger t1_bd;
drop trigger t1_ad;
set @log:= "";
replace t1 values (1, 5);
select @log;

# This also drops associated triggers
drop table t1;


#
# Let us test triggers which access other tables.
#
# Trivial trigger which inserts data into another table
create table t1 (id int primary key, data varchar(10), fk int);
create table t2 (event varchar(100));
create table t3 (id int primary key);
create trigger t1_ai after insert on t1 for each row
  insert into t2 values (concat("INSERT INTO t1 id=", new.id, " data='", new.data, "'"));
insert into t1 (id, data) values (1, "one"), (2, "two");
select * from t1;
select * from t2;
drop trigger t1_ai;
# Trigger which uses couple of tables (and partially emulates FK constraint)
delimiter |;
create trigger t1_bi before insert on t1 for each row
begin
  if exists (select id from t3 where id=new.fk) then
    insert into t2 values (concat("INSERT INTO t1 id=", new.id, " data='", new.data, "' fk=", new.fk));
  else
    insert into t2 values (concat("INSERT INTO t1 FAILED id=", new.id, " data='", new.data, "' fk=", new.fk));
    set new.id= NULL;
  end if;
end|
delimiter ;|
insert into t3 values (1);
--error ER_BAD_NULL_ERROR
insert into t1 values (4, "four", 1), (5, "five", 2);
select * from t1;
select * from t2;
drop table t1, t2, t3;
# Trigger which invokes function
create table t1 (id int primary key, data varchar(10));
create table t2 (seq int);
insert into t2 values (10);
create function f1 () returns int return (select max(seq) from t2);
delimiter |;
create trigger t1_bi before insert on t1 for each row
begin
  if new.id > f1() then
    set new.id:= f1();
  end if;
end|
delimiter ;|
insert into t1 values (1, "first");
insert into t1 values (f1(), "max");
select * from t1;
drop table t1, t2;
drop function f1;
# Trigger which forces invocation of another trigger
# (emulation of FK on delete cascade policy)
create table t1 (id int primary key, fk_t2 int);
create table t2 (id int primary key, fk_t3 int);
create table t3 (id int primary key);
insert into t1 values (1,1), (2,1), (3,2);
insert into t2 values (1,1), (2,2);
insert into t3 values (1), (2);
create trigger t3_ad after delete on t3 for each row
  delete from t2 where fk_t3=old.id;
create trigger t2_ad after delete on t2 for each row
  delete from t1 where fk_t2=old.id;
delete from t3 where id = 1;
select * from t1 left join (t2 left join t3 on t2.fk_t3 = t3.id) on t1.fk_t2 = t2.id;
drop table t1, t2, t3;
# Trigger which assigns value selected from table to field of row
# being inserted/updated.
create table t1 (id int primary key, copy int);
create table t2 (id int primary key, data int);
insert into t2 values (1,1), (2,2);
create trigger t1_bi before insert on t1 for each row
  set new.copy= (select data from t2 where id = new.id);
create trigger t1_bu before update on t1 for each row
  set new.copy= (select data from t2 where id = new.id);
insert into t1 values (1,3), (2,4), (3,3);
update t1 set copy= 1 where id = 2;
select * from t1;
drop table t1, t2;

#
# Test of wrong column specifiers in triggers
#
create table t1 (i int);
create table t3 (i int);

--error ER_TRG_NO_SUCH_ROW_IN_TRG
create trigger trg before insert on t1 for each row set @a:= old.i;
--error ER_TRG_NO_SUCH_ROW_IN_TRG
create trigger trg before delete on t1 for each row set @a:= new.i;
--error ER_TRG_CANT_CHANGE_ROW
create trigger trg before update on t1 for each row set old.i:=1;
--error ER_TRG_NO_SUCH_ROW_IN_TRG
create trigger trg before delete on t1 for each row set new.i:=1;
--error ER_TRG_CANT_CHANGE_ROW
create trigger trg after update on t1 for each row set new.i:=1;
--error ER_BAD_FIELD_ERROR
create trigger trg before update on t1 for each row set new.j:=1;
--error ER_BAD_FIELD_ERROR
create trigger trg before update on t1 for each row set @a:=old.j;


#
# Let us test various trigger creation errors
# Also quickly test table namespace (bug#5892/6182)
#
--error ER_NO_SUCH_TABLE
create trigger trg before insert on t2 for each row set @a:=1;

create trigger trg before insert on t1 for each row set @a:=1;
--error ER_TRG_ALREADY_EXISTS
create trigger trg after insert on t1 for each row set @a:=1;
--error ER_TRG_ALREADY_EXISTS
create trigger trg before insert on t3 for each row set @a:=1;
create trigger trg2 before insert on t3 for each row set @a:=1;
drop trigger trg2;
drop trigger trg;

--error ER_TRG_DOES_NOT_EXIST
drop trigger trg;

create view v1 as select * from t1;
--error ER_WRONG_OBJECT
create trigger trg before insert on v1 for each row set @a:=1;
drop view v1;

drop table t1;
drop table t3;

create temporary table t1 (i int);
--error ER_TRG_ON_VIEW_OR_TEMP_TABLE
create trigger trg before insert on t1 for each row set @a:=1;
drop table t1;



#
# Tests for various trigger-related bugs
#

# Test for bug #5887 "Triggers with string literals cause errors".
# New .FRM parser was not handling escaped strings properly.
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 tx1;
drop table t1;

#
# Test for bug #5890 "Triggers fail for DELETE without WHERE".
# If we are going to delete all rows in table but DELETE triggers exist
# we should perform row-by-row deletion instead of using optimized
# delete_all_rows() method.
#
create table t1 (i int);
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;
drop trigger trg1;
drop trigger trg2;
drop table t1;

# Test for bug #5859 "DROP TABLE does not drop triggers". Trigger should not
# magically reappear when we recreate dropped table.
create table t1 (a int);
create trigger trg1 before insert on t1 for each row set new.a= 10;
drop table t1;
create table t1 (a int);
insert into t1 values ();
select * from t1;
drop table t1;

# Test for bug #6559 "DROP DATABASE forgets to drop triggers".
create database mysqltest;
use mysqltest;
create table t1 (i int);
create trigger trg1 before insert on t1 for each row set @a:= 1;
# This should succeed
drop database mysqltest;
use test;

# Test for bug #8791
# "Triggers: Allowed to create triggers on a subject table in a different DB".
create database mysqltest;
create table mysqltest.t1 (i int);
--error ER_TRG_IN_WRONG_SCHEMA
create trigger trg1 before insert on mysqltest.t1 for each row set @a:= 1;
use mysqltest;
--error ER_NO_SUCH_TABLE
create trigger test.trg1 before insert on t1 for each row set @a:= 1;
drop database mysqltest;
use test;


# Test for bug #5860 "Multi-table UPDATE does not activate update triggers"
# We will also test how delete triggers wor for multi-table DELETE.
create table t1 (i int, j int default 10, k int not null, key (k));
create table t2 (i int);
insert into t1 (i, k) values (1, 1);
insert into t2 values (1);
create trigger trg1 before update on t1 for each row set @a:= @a + new.j - old.j;
create trigger trg2 after update on t1 for each row set @b:= "Fired";
set @a:= 0, @b:= "";
# Check that trigger works in case of update on the fly
update t1, t2 set j = j + 10 where t1.i = t2.i;
select @a, @b;
insert into t1 values (2, 13, 2);
insert into t2 values (2);
set @a:= 0, @b:= "";
# And now let us check that triggers work in case of multi-update which
# is done through temporary tables...
update t1, t2 set j = j + 15 where t1.i = t2.i and t1.k >= 2;
select @a, @b;
# Let us test delete triggers for multi-delete now.
# We create triggers for both tables because we want test how they
# work in both on-the-fly and via-temp-tables cases.
create trigger trg3 before delete on t1 for each row set @c:= @c + old.j;
create trigger trg4 before delete on t2 for each row set @d:= @d + old.i;
create trigger trg5 after delete on t1 for each row set @e:= "After delete t1 fired";
create trigger trg6 after delete on t2 for each row set @f:= "After delete t2 fired";
set @c:= 0, @d:= 0, @e:= "", @f:= "";
delete t1, t2 from t1, t2 where t1.i = t2.i;
select @c, @d, @e, @f;
# This also will drop triggers
drop table t1, t2;

# Test for bug #6812 "Triggers are not activated for INSERT ... SELECT".
# (We also check the fact that trigger modifies some field does not affect
#  value of next record inserted).
delimiter |;
create table t1 (i int, j int default 10)|
create table t2 (i int)|
insert into t2 values (1), (2)|
create trigger trg1 before insert on t1 for each row
begin
  if new.i = 1 then
    set new.j := 1;
  end if;
end|
create trigger trg2 after insert on t1 for each row set @a:= 1|
set @a:= 0|
insert into t1 (i) select * from t2|
select * from t1|
select @a|
# This also will drop triggers
drop table t1, t2|
delimiter ;|

# Test for bug #8755 "Trigger is not activated by LOAD DATA"
create table t1 (i int, j int, k int);
create trigger trg1 before insert on t1 for each row set new.k = new.i;
create trigger trg2 after insert on t1 for each row set @b:= "Fired";
set @b:="";
# Test triggers with file with separators
load data infile '../../std_data/rpl_loaddata.dat' into table t1 (@a, i);
select *, @b from t1;
set @b:="";
# Test triggers with fixed size row file
load data infile '../../std_data/loaddata5.dat' into table t1 fields terminated by '' enclosed by '' (i, j);
select *, @b from t1;
# This also will drop triggers
drop table t1;

create table t1 (i int, bt int, k int, key(k));
create table t2 (i int);
insert into t1 values (1, 1, 1), (2, 2, 2);
insert into t2 values (1), (2), (3);
# Create and then break "before" triggers
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;
# The following statements changing t1 should fail and should not
# cause any effect on table, since "before" trigger is executed
# before operation on the table row.
--error ER_BAD_FIELD_ERROR
insert into t1 values (3, 3);
select * from t1;
--error ER_BAD_FIELD_ERROR
update t1 set i = 2;
select * from t1;
--error ER_BAD_FIELD_ERROR
delete from t1;
select * from t1;
--error ER_BAD_FIELD_ERROR
load data infile '../../std_data/loaddata5.dat' into table t1 fields terminated by '' enclosed by '' (i, k);
select * from t1;
--error ER_BAD_FIELD_ERROR
insert into t1 select 3, 3;
select * from t1;
# Both types of multi-update (on the fly and via temp table)
--error ER_BAD_FIELD_ERROR
update t1, t2 set k = k + 10 where t1.i = t2.i;
select * from t1;
--error ER_BAD_FIELD_ERROR
update t1, t2 set k = k + 10 where t1.i = t2.i and k < 2;
select * from t1;
# Both types of multi-delete
--error ER_BAD_FIELD_ERROR
delete t1, t2 from t1 straight_join t2 where t1.i = t2.i;
select * from t1;
--error ER_BAD_FIELD_ERROR
delete t2, t1 from t2 straight_join t1 where t1.i = t2.i;
select * from t1;
# Let us test REPLACE/INSERT ... ON DUPLICATE KEY UPDATE.
# To test properly code-paths different from those that are used
# in ordinary INSERT we need to drop "before insert" trigger.
alter table t1 add primary key (i);
drop trigger bi;
--error ER_BAD_FIELD_ERROR
insert into t1 values (2, 4) on duplicate key update k= k + 10;
select * from t1;
--error ER_BAD_FIELD_ERROR
replace into t1 values (2, 4);
select * from t1;
# Also drops all triggers
drop table t1, t2;

# Test for bug #5893 "Triggers with dropped functions cause crashes"
# Appropriate error should be reported instead of crash.
# Also test for bug #11889 "Server crashes when dropping trigger
# using stored routine".
create table t1 (col1 int, col2 int);
insert into t1 values (1, 2);
create function bug5893 () returns int return 5;
create trigger t1_bu before update on t1 for each row set new.col1= bug5893();
drop function bug5893;
--error ER_SP_DOES_NOT_EXIST
update t1 set col2 = 4;
# This should not crash server too.
drop trigger t1_bu;
drop table t1;

#
# storing and restoring parsing modes for triggers (BUG#5891)
#
set sql_mode='ansi';
create table t1 ("t1 column" int);
create trigger t1_bi before insert on t1 for each row set new."t1 column" = 5;
set sql_mode="";
insert into t1 values (0);
# create trigger with different sql_mode
create trigger t1_af after insert on t1 for each row set @a=10;
insert into t1 values (0);
select * from t1;
select @a;
--replace_column 6 #
show triggers;
drop table t1;
# check that rigger preserve sql_mode during execution
set sql_mode="traditional";
create table t1 (a date);
-- error 1292
insert into t1 values ('2004-01-00');
set sql_mode="";
create trigger t1_bi before insert on t1 for each row set new.a = '2004-01-00';
set sql_mode="traditional";
insert into t1 values ('2004-01-01');
select * from t1;
set sql_mode=default;
show create table t1;
--replace_column 6 #
show triggers;
drop table t1;

# Test for bug #12280 "Triggers: crash if flush tables"
# FLUSH TABLES and FLUSH PRIVILEGES should be disallowed inside
# of functions and triggers.
create table t1 (id int);
--error ER_STMT_NOT_ALLOWED_IN_SF_OR_TRG
create trigger t1_ai after insert on t1 for each row reset master;
--error ER_STMT_NOT_ALLOWED_IN_SF_OR_TRG
create trigger t1_ai after insert on t1 for each row reset slave;
--error ER_STMT_NOT_ALLOWED_IN_SF_OR_TRG
create trigger t1_ai after insert on t1 for each row flush hosts;
--error ER_STMT_NOT_ALLOWED_IN_SF_OR_TRG
create trigger t1_ai after insert on t1 for each row flush tables with read lock;
--error ER_STMT_NOT_ALLOWED_IN_SF_OR_TRG
create trigger t1_ai after insert on t1 for each row flush logs;
--error ER_STMT_NOT_ALLOWED_IN_SF_OR_TRG
create trigger t1_ai after insert on t1 for each row flush status;
--error ER_STMT_NOT_ALLOWED_IN_SF_OR_TRG
create trigger t1_ai after insert on t1 for each row flush user_resources;
--error ER_STMT_NOT_ALLOWED_IN_SF_OR_TRG
create trigger t1_ai after insert on t1 for each row flush tables;
--error ER_STMT_NOT_ALLOWED_IN_SF_OR_TRG
create trigger t1_ai after insert on t1 for each row flush privileges;

create trigger t1_ai after insert on t1 for each row call p1();
create procedure p1() flush tables;
--error ER_STMT_NOT_ALLOWED_IN_SF_OR_TRG
insert into t1 values (0);

drop procedure p1;
create procedure p1() reset master;
--error ER_STMT_NOT_ALLOWED_IN_SF_OR_TRG
insert into t1 values (0);

drop procedure p1;
create procedure p1() reset slave;
--error ER_STMT_NOT_ALLOWED_IN_SF_OR_TRG
insert into t1 values (0);

drop procedure p1;
create procedure p1() flush hosts;
--error ER_STMT_NOT_ALLOWED_IN_SF_OR_TRG
insert into t1 values (0);

drop procedure p1;
create procedure p1() flush privileges;
--error ER_STMT_NOT_ALLOWED_IN_SF_OR_TRG
insert into t1 values (0);

drop procedure p1;
create procedure p1() flush tables with read lock;
--error ER_STMT_NOT_ALLOWED_IN_SF_OR_TRG
insert into t1 values (0);

drop procedure p1;
create procedure p1() flush tables;
--error ER_STMT_NOT_ALLOWED_IN_SF_OR_TRG
insert into t1 values (0);

drop procedure p1;
create procedure p1() flush logs;
--error ER_STMT_NOT_ALLOWED_IN_SF_OR_TRG
insert into t1 values (0);

drop procedure p1;
create procedure p1() flush status;
--error ER_STMT_NOT_ALLOWED_IN_SF_OR_TRG
insert into t1 values (0);

drop procedure p1;
create procedure p1() flush user_resources;
--error ER_STMT_NOT_ALLOWED_IN_SF_OR_TRG
insert into t1 values (0);

drop procedure p1;
drop table t1;

# Test for bug #11973 "SELECT .. INTO var_name; in trigger cause
#                      crash on update"

create table t1 (id int, data int, username varchar(16));
insert into t1 (id, data) values (1, 0);
delimiter |;
create trigger t1_whoupdated before update on t1 for each row
begin
  declare user varchar(32);
  declare i int;
  select user() into user;
  set NEW.username = user;
  select count(*) from ((select 1) union (select 2)) as d1 into i;
end|
delimiter ;|
update t1 set data = 1;

connection addconroot1;
update t1 set data = 2;

connection default;
drop table t1;

#
# #11587 Trigger causes lost connection error
#

create table t1 (c1 int, c2 datetime);
delimiter |;
--error ER_SP_NO_RETSET
create trigger tr1 before insert on t1 for each row
begin
  set new.c2= '2004-04-01';
  select 'hello';
end|
delimiter ;|

insert into t1 (c1) values (1),(2),(3);
select * from t1;

delimiter |;
create procedure bug11587(x char(16))
begin
  select "hello";
  select "hello again";
end|

create trigger tr1 before insert on t1 for each row
begin
  call bug11587(new.c2);
  set new.c2= '2004-04-02';
end|
delimiter ;|

--error ER_SP_NO_RETSET
insert into t1 (c1) values (4),(5),(6);
select * from t1;

drop procedure bug11587;
drop table t1;

# Test for bug #11896 "Partial locking in case of recursive trigger
# definitions". Recursion in triggers should not be allowed.
# We also should not allow to change tables which are used in
# statements invoking this trigger.
create table t1 (f1 integer);
create table t2 (f2 integer);
create trigger t1_ai after insert on t1
  for each row insert into t2 values (new.f1+1);
create trigger t2_ai after insert on t2
  for each row insert into t1 values (new.f2+1);
# Allow SP resursion to be show that it has not influence here
set @SAVE_SP_RECURSION_LEVELS=@@max_sp_recursion_depth;
set @@max_sp_recursion_depth=100;
--error ER_CANT_UPDATE_USED_TABLE_IN_SF_OR_TRG
insert into t1 values (1);
set @@max_sp_recursion_depth=@SAVE_SP_RECURSION_LEVELS;
select * from t1;
select * from t2;
drop trigger t1_ai;
drop trigger t2_ai;
create trigger t1_bu before update on t1
  for each row insert into t1 values (2);
insert into t1 values (1);
--error ER_CANT_UPDATE_USED_TABLE_IN_SF_OR_TRG
update t1 set f1= 10;
select * from t1;
drop trigger t1_bu;
create trigger t1_bu before update on t1
  for each row delete from t1 where f1=new.f1;
--error ER_CANT_UPDATE_USED_TABLE_IN_SF_OR_TRG
update t1 set f1= 10;
select * from t1;
drop trigger t1_bu;
# This should work tough
create trigger t1_bi before insert on t1
  for each row set new.f1=(select sum(f1) from t1);
insert into t1 values (3);
select * from t1;
drop trigger t1_bi;
drop tables t1, t2;

# Tests for bug #12704 "Server crashes during trigger execution".
# If we run DML statements and CREATE TRIGGER statements concurrently
# it may happen that trigger will be created while DML statement is
# waiting for table lock. In this case we have to reopen tables and
# recalculate prelocking set.
# Unfortunately these tests rely on the order in which tables are locked
# by statement so they are non determenistic and are disabled.
--disable_testcase BUG#0000
create table t1 (id int);
create table t2 (id int);
create table t3 (id int);
create function f1() returns int return (select max(id)+2 from t2);
create view v1 as select f1() as f;

# Let us check that we notice trigger at all
connection addconroot1;
lock tables t2 write;
connection default;
send insert into t1 values ((select max(id) from t2)), (2);
--sleep 1
connection addconroot2;
create trigger t1_trg before insert on t1 for each row set NEW.id:= 1;
connection addconroot1;
unlock tables;
connection default;
reap;
select * from t1;

# Check that we properly calculate new prelocking set
insert into t2 values (3);
connection addconroot1;
lock tables t2 write;
connection default;
send insert into t1 values ((select max(id) from t2)), (4);
--sleep 1
connection addconroot2;
drop trigger t1_trg;
create trigger t1_trg before insert on t1 for each row
  insert into t3 values (new.id);
connection addconroot1;
unlock tables;
connection default;
reap;
select * from t1;
select * from t3;

# We should be able to do this even if fancy views are involved
connection addconroot1;
lock tables t2 write;
connection default;
send insert into t1 values ((select max(f) from v1)), (6);
--sleep 1
connection addconroot2;
drop trigger t1_trg;
create trigger t1_trg before insert on t1 for each row
  insert into t3 values (new.id + 100);
connection addconroot1;
unlock tables;
connection default;
reap;
select * from t1;
select * from t3;

# This also should work for multi-update
# Let us drop trigger to demonstrate that prelocking set is really
# rebuilt
drop trigger t1_trg;
connection addconroot1;
lock tables t2 write;
connection default;
send update t1, t2 set t1.id=10 where t1.id=t2.id;
--sleep 1
connection addconroot2;
create trigger t1_trg before update on t1 for each row
  insert into t3 values (new.id);
connection addconroot1;
unlock tables;
connection default;
reap;
select * from t1;
select * from t3;

# And even for multi-update converted from ordinary update thanks to view
drop view v1;
drop trigger t1_trg;
create view v1 as select t1.id as id1 from t1, t2 where t1.id= t2.id;
insert into t2 values (10);
connection addconroot1;
lock tables t2 write;
connection default;
send update v1 set id1= 11;
--sleep 1
connection addconroot2;
create trigger t1_trg before update on t1 for each row
  insert into t3 values (new.id + 100);
connection addconroot1;
unlock tables;
connection default;
reap;
select * from t1;
select * from t3;

drop function f1;
drop view v1;
drop table t1, t2, t3;
--enable_testcase

#
# Test for bug #13399 "Crash when executing PS/SP which should activate
# trigger which is now dropped". See also test for similar bug for stored
# routines in sp-error.test (#12329).
create table t1 (id int);
create table t2 (id int);
create trigger t1_bi before insert on t1 for each row insert into t2 values (new.id);
prepare stmt1 from "insert into t1 values (10)";
create procedure p1() insert into t1 values (10);
call p1();
# Actually it is enough to do FLUSH TABLES instead of DROP TRIGGER
drop trigger t1_bi;
# Server should not crash on these two statements
execute stmt1;
call p1();
deallocate prepare stmt1;
drop procedure p1;

# Let us test more complex situation when we alter trigger in such way that
# it uses different set of tables (or simply add new trigger).
create table t3 (id int);
create trigger t1_bi after insert on t1 for each row insert into t2 values (new.id);
prepare stmt1 from "insert into t1 values (10)";
create procedure p1() insert into t1 values (10);
call p1();
# Altering trigger forcing it use different set of tables
drop trigger t1_bi;
create trigger t1_bi after insert on t1 for each row insert into t3 values (new.id);
execute stmt1;
call p1();
deallocate prepare stmt1;
drop procedure p1;
drop table t1, t2, t3;

#
# BUG#13549 "Server crash with nested stored procedures".
# Server should not crash when during execution of stored procedure
# we have to parse trigger/function definition and this new trigger/
# function has more local variables declared than invoking stored
# procedure and last of these variables is used in argument of NOT
# operator.
#
create table t1 (a int);
DELIMITER //;
CREATE PROCEDURE `p1`()
begin
  insert into t1 values (1);
end//
create trigger trg before insert on t1 for each row
begin
  declare done int default 0;
  set done= not done;
end//
DELIMITER ;//
CALL p1();
drop procedure p1;
drop table t1;

#
# Test for bug #14863 "Triggers: crash if create and there is no current
# database". We should not crash and give proper error when database for
# trigger or its table is not specified and there is no current database.
#
connection addconwithoutdb;
--error ER_NO_DB_ERROR
create trigger t1_bi before insert on test.t1 for each row set @a:=0;
--error ER_NO_SUCH_TABLE
create trigger test.t1_bi before insert on t1 for each row set @a:=0;
--error ER_NO_DB_ERROR
drop trigger t1_bi;
connection default;

#
# Tests for bug #13525 "Rename table does not keep info of triggers"
# and bug #17866 "Problem with renaming table with triggers with fully
# qualified subject table".
#
create table t1 (id int);
create trigger t1_bi before insert on t1 for each row set @a:=new.id;
create trigger t1_ai after insert on test.t1 for each row set @b:=new.id;
insert into t1 values (101);
select @a, @b;
select trigger_schema, trigger_name, event_object_schema,
       event_object_table, action_statement from information_schema.triggers
       where event_object_schema = 'test';
rename table t1 to t2;
# Trigger should work after rename
insert into t2 values (102);
select @a, @b;
select trigger_schema, trigger_name, event_object_schema,
       event_object_table, action_statement from information_schema.triggers
       where event_object_schema = 'test';
# Let us check that the same works for simple ALTER TABLE ... RENAME
alter table t2 rename to t3;
insert into t3 values (103);
select @a, @b;
select trigger_schema, trigger_name, event_object_schema,
       event_object_table, action_statement from information_schema.triggers
       where event_object_schema = 'test';
# And for more complex ALTER TABLE
alter table t3 rename to t4, add column val int default 0;
insert into t4 values (104, 1);
select @a, @b;
select trigger_schema, trigger_name, event_object_schema,
       event_object_table, action_statement from information_schema.triggers
       where event_object_schema = 'test';
# .TRN file should be updated with new table name
drop trigger t1_bi;
drop trigger t1_ai;
drop table t4;
# Rename between different databases if triggers exist should fail
create database mysqltest;
use mysqltest;
create table t1 (id int);
create trigger t1_bi before insert on t1 for each row set @a:=new.id;
insert into t1 values (101);
select @a;
select trigger_schema, trigger_name, event_object_schema,
       event_object_table, action_statement from information_schema.triggers
       where event_object_schema = 'test' or event_object_schema = 'mysqltest';
--error ER_TRG_IN_WRONG_SCHEMA
rename table t1 to test.t2;
insert into t1 values (102);
select @a;
select trigger_schema, trigger_name, event_object_schema,
       event_object_table, action_statement from information_schema.triggers
       where event_object_schema = 'test' or event_object_schema = 'mysqltest';
# There should be no fantom .TRN files
--error ER_TRG_DOES_NOT_EXIST
drop trigger test.t1_bi;
# Let us also check handling of this restriction in ALTER TABLE ... RENAME
--error ER_TRG_IN_WRONG_SCHEMA
alter table t1 rename to test.t1;
insert into t1 values (103);
select @a;
select trigger_schema, trigger_name, event_object_schema,
       event_object_table, action_statement from information_schema.triggers
       where event_object_schema = 'test' or event_object_schema = 'mysqltest';
# Again there should be no fantom .TRN files
--error ER_TRG_DOES_NOT_EXIST
drop trigger test.t1_bi;
--error ER_TRG_IN_WRONG_SCHEMA
alter table t1 rename to test.t1, add column val int default 0;
insert into t1 values (104);
select @a;
select trigger_schema, trigger_name, event_object_schema,
       event_object_table, action_statement from information_schema.triggers
       where event_object_schema = 'test' or event_object_schema = 'mysqltest';
# Table definition should not change
show create table t1;
# And once again check for fantom .TRN files
--error ER_TRG_DOES_NOT_EXIST
drop trigger test.t1_bi;
drop trigger t1_bi;
drop table t1;
drop database mysqltest;
use test;

# Test for bug #16829 "Firing trigger with RETURN crashes the server"
# RETURN is not supposed to be used anywhere except functions, so error
# should be returned when one attempts to create trigger with RETURN.
create table t1 (i int);
--error ER_SP_BADRETURN
create trigger t1_bi before insert on t1 for each row return 0;
insert into t1 values (1);
drop table t1;

# Test for bug #17764 "Trigger crashes table"
#
# Table was reported as crashed when it was subject table of trigger invoked
# by insert statement which was executed with enabled bulk insert mode (which
# is actually set of optimizations enabled by handler::start_bulk_insert())
# and this trigger also explicitly referenced it.
# The same problem arose when table to which bulk insert was done was also
# referenced in function called by insert statement.
create table t1 (a varchar(64), b int);
create table t2 like t1;
create trigger t1_ai after insert on t1 for each row
  set @a:= (select max(a) from t1);
insert into t1 (a) values
  ("Twas"),("brillig"),("and"),("the"),("slithy"),("toves"),
  ("Did"),("gyre"),("and"),("gimble"),("in"),("the"),("wabe");
create trigger t2_ai after insert on t2 for each row
  set @a:= (select max(a) from t2);
insert into t2 select * from t1;
load data infile '../../std_data/words.dat' into table t1 (a);
drop trigger t1_ai;
drop trigger t2_ai;
# Test that the problem for functions is fixed as well
create function f1() returns int return (select max(b) from t1);
insert into t1 values
  ("All",f1()),("mimsy",f1()),("were",f1()),("the",f1()),("borogoves",f1()),
  ("And",f1()),("the",f1()),("mome", f1()),("raths",f1()),("outgrabe",f1());
create function f2() returns int return (select max(b) from t2);
insert into t2 select a, f2() from t1;
load data infile '../../std_data/words.dat' into table t1 (a) set b:= f1();
drop function f1;
drop function f2;
drop table t1, t2;

#
# Test for bug #16021 "Wrong index given to function in trigger" which
# was caused by the same bulk insert optimization as bug #17764 but had
# slightly different symptoms (instead of reporting table as crashed
# storage engine reported error number 124)
#
create table t1(i int not null, j int not null, n numeric(15,2), primary key(i,j));
create table t2(i int not null, n numeric(15,2), primary key(i));
delimiter |;
create trigger t1_ai after insert on t1 for each row
begin
  declare sn numeric(15,2);
  select sum(n) into sn from t1 where i=new.i;
  replace into t2 values(new.i, sn);
end|
delimiter ;|
insert into t1 values
  (1,1,10.00),(1,2,10.00),(1,3,10.00),(1,4,10.00),(1,5,10.00),
  (1,6,10.00),(1,7,10.00),(1,8,10.00),(1,9,10.00),(1,10,10.00),
  (1,11,10.00),(1,12,10.00),(1,13,10.00),(1,14,10.00),(1,15,10.00);
select * from t1;
select * from t2;
drop tables t1, t2;

#
# Test for Bug #16461 connection_id() does not work properly inside trigger
#
CREATE TABLE t1 (
    conn_id INT,
    trigger_conn_id INT
);
CREATE TRIGGER t1_bi BEFORE INSERT ON t1 FOR EACH ROW
  SET NEW.trigger_conn_id = CONNECTION_ID();

INSERT INTO t1 (conn_id, trigger_conn_id) VALUES (CONNECTION_ID(), -1);

connect (con1,localhost,root,,);
INSERT INTO t1 (conn_id, trigger_conn_id) VALUES (CONNECTION_ID(), -1);
connection default;
disconnect con1;

SELECT * FROM t1 WHERE conn_id != trigger_conn_id;

DROP TRIGGER t1_bi;
DROP TABLE t1;


#
# Bug#6951: Triggers/Traditional: SET @ result wrong
#

CREATE TABLE t1 (i1 INT);

SET @save_sql_mode=@@sql_mode;

SET SQL_MODE='';

CREATE TRIGGER t1_ai AFTER INSERT ON t1 FOR EACH ROW
  SET @x = 5/0;

SET SQL_MODE='traditional';

CREATE TRIGGER t1_au AFTER UPDATE ON t1 FOR EACH ROW
  SET @x = 5/0;

SET @x=1;
INSERT INTO t1 VALUES (@x);
SELECT @x;

SET @x=2;
UPDATE t1 SET i1 = @x;
SELECT @x;

SET SQL_MODE='';

SET @x=3;
INSERT INTO t1 VALUES (@x);
SELECT @x;

SET @x=4;
UPDATE t1 SET i1 = @x;
SELECT @x;

SET @@sql_mode=@save_sql_mode;

DROP TRIGGER t1_ai;
DROP TRIGGER t1_au;
DROP TABLE t1;


#
# Test for bug #14635 Accept NEW.x as INOUT parameters to stored
# procedures from within triggers
#
--disable_warnings
DROP TABLE IF EXISTS t1;
DROP PROCEDURE IF EXISTS p1;
DROP PROCEDURE IF EXISTS p2;
--enable_warnings

CREATE TABLE t1 (i1 INT);

# Check that NEW.x pseudo variable is accepted as INOUT and OUT
# parameter to stored routine.
INSERT INTO t1 VALUES (3);
CREATE PROCEDURE p1(OUT i1 INT) DETERMINISTIC NO SQL SET i1 = 5;
CREATE PROCEDURE p2(INOUT i1 INT) DETERMINISTIC NO SQL SET i1 = i1 * 7;
delimiter //;
CREATE TRIGGER t1_bu BEFORE UPDATE ON t1 FOR EACH ROW
BEGIN
  CALL p1(NEW.i1);
  CALL p2(NEW.i1);
END//
delimiter ;//
UPDATE t1 SET i1 = 11 WHERE i1 = 3;
DROP TRIGGER t1_bu;
DROP PROCEDURE p2;
DROP PROCEDURE p1;

# Check that OLD.x pseudo variable is not accepted as INOUT and OUT
# parameter to stored routine.
INSERT INTO t1 VALUES (13);
CREATE PROCEDURE p1(OUT i1 INT) DETERMINISTIC NO SQL SET @a = 17;
CREATE TRIGGER t1_bu BEFORE UPDATE ON t1 FOR EACH ROW
  CALL p1(OLD.i1);
--error ER_SP_NOT_VAR_ARG
UPDATE t1 SET i1 = 19 WHERE i1 = 13;
DROP TRIGGER t1_bu;
DROP PROCEDURE p1;

INSERT INTO t1 VALUES (23);
CREATE PROCEDURE p1(INOUT i1 INT) DETERMINISTIC NO SQL SET @a = i1 * 29;
CREATE TRIGGER t1_bu BEFORE UPDATE ON t1 FOR EACH ROW
  CALL p1(OLD.i1);
--error ER_SP_NOT_VAR_ARG
UPDATE t1 SET i1 = 31 WHERE i1 = 23;
DROP TRIGGER t1_bu;
DROP PROCEDURE p1;

# Check that NEW.x pseudo variable is read-only in the AFTER TRIGGER.
INSERT INTO t1 VALUES (37);
CREATE PROCEDURE p1(OUT i1 INT) DETERMINISTIC NO SQL SET @a = 41;
CREATE TRIGGER t1_au AFTER UPDATE ON t1 FOR EACH ROW
  CALL p1(NEW.i1);
--error ER_SP_NOT_VAR_ARG
UPDATE t1 SET i1 = 43 WHERE i1 = 37;
DROP TRIGGER t1_au;
DROP PROCEDURE p1;

INSERT INTO t1 VALUES (47);
CREATE PROCEDURE p1(INOUT i1 INT) DETERMINISTIC NO SQL SET @a = i1 * 49;
CREATE TRIGGER t1_au AFTER UPDATE ON t1 FOR EACH ROW
  CALL p1(NEW.i1);
--error ER_SP_NOT_VAR_ARG
UPDATE t1 SET i1 = 51 WHERE i1 = 47;
DROP TRIGGER t1_au;
DROP PROCEDURE p1;

# Post requisite.
SELECT * FROM t1;

DROP TABLE t1;

#
# Bug #18005: Creating a trigger on mysql.event leads to server crash on
# scheduler startup
#
# Bug #18361: Triggers on mysql.user table cause server crash
#
# We don't allow triggers on the mysql schema
delimiter |;
--error ER_NO_TRIGGERS_ON_SYSTEM_SCHEMA
create trigger wont_work after update on mysql.user for each row
begin
 set @a:= 1;
end|
# Try when we're already using the mysql schema
use mysql|
--error ER_NO_TRIGGERS_ON_SYSTEM_SCHEMA
create trigger wont_work after update on event for each row
begin
 set @a:= 1;
end|
use test|
delimiter ;|


#
# Test for BUG#16899: Possible buffer overflow in handling of DEFINER-clause.
#

# Prepare.

--disable_warnings
DROP TABLE IF EXISTS t1;
DROP TABLE IF EXISTS t2;
--enable_warnings

CREATE TABLE t1(c INT);
CREATE TABLE t2(c INT);

--error ER_WRONG_STRING_LENGTH
CREATE DEFINER=1234567890abcdefGHIKL1234567890abcdefGHIKL@localhost
  TRIGGER t1_bi BEFORE INSERT ON t1 FOR EACH ROW SET @a = 1;

--error ER_WRONG_STRING_LENGTH
CREATE DEFINER=some_user_name@host_1234567890abcdefghij1234567890abcdefghij1234567890abcdefghij1234567890abcdefghij1234567890abcdefghij1234567890abcdefghij1234567890abcdefghij1234567890abcdefghij1234567890abcdefghij1234567890abcdefghij1234567890abcdefghij1234567890abcdefghij1234567890X
  TRIGGER t2_bi BEFORE INSERT ON t2 FOR EACH ROW SET @a = 2;

# Cleanup.

DROP TABLE t1;
DROP TABLE t2;

#
# Bug#20028 Function with select return no data
#

--disable_warnings
drop table if exists t1;
drop table if exists t2;
drop table if exists t3;
drop table if exists t4;
--enable_warnings

SET @save_sql_mode=@@sql_mode;

delimiter |;
SET sql_mode='TRADITIONAL'|
create table t1 (id int(10) not null primary key, v int(10) )|
create table t2 (id int(10) not null primary key, v int(10) )|
create table t3 (id int(10) not null primary key, v int(10) )|
create table t4 (c int)|

create trigger t4_bi before insert on t4 for each row set @t4_bi_called:=1|
create trigger t4_bu before update on t4 for each row set @t4_bu_called:=1|

insert into t1 values(10, 10)|
set @a:=1/0|
select 1/0 from t1|

create trigger t1_bi before insert on t1 for each row set @a:=1/0|

insert into t1 values(20, 20)|

drop trigger t1_bi|
create trigger t1_bi before insert on t1 for each row
begin
  insert into t2 values (new.id, new.v);
  update t2 set v=v+1 where id= new.id;
  replace t3 values (new.id, 0);
  update t2, t3 set t2.v=new.v, t3.v=new.v where t2.id=t3.id;
  create temporary table t5 select * from t1;
  delete from t5;
  insert into t5 select * from t1;
  insert into t4 values (0);
  set @check= (select count(*) from t5);
  update t4 set c= @check;
  drop temporary table t5;

  set @a:=1/0;
end|

set @check=0, @t4_bi_called=0, @t4_bu_called=0|
insert into t1 values(30, 30)|
select @check, @t4_bi_called, @t4_bu_called|

delimiter ;|

SET @@sql_mode=@save_sql_mode;

drop table t1;
drop table t2;
drop table t3;
drop table t4;

#
# Bug#20670 "UPDATE using key and invoking trigger that modifies
#            this key does not stop"
#

create table t1 (i int, j int key);
insert into t1 values (1,1), (2,2), (3,3);
create trigger t1_bu before update on t1 for each row
  set new.j = new.j + 10;
# This should not work indefinitely and should cause
# expected result
update t1 set i= i+ 10 where j > 2;
select * from t1;
drop table t1;

#
# Bug#23556 TRUNCATE TABLE still maps to DELETE
#
CREATE TABLE t1 (a INT PRIMARY KEY);
CREATE TABLE t2 (a INT PRIMARY KEY);
INSERT INTO t1 VALUES (1),(2),(3),(4),(5),(6),(7),(8);

CREATE TRIGGER trg_t1 BEFORE DELETE on t1 FOR EACH ROW
  INSERT INTO t2 VALUES (OLD.a);

FLUSH STATUS;
TRUNCATE t1;
SHOW STATUS LIKE 'handler_delete';
SELECT COUNT(*) FROM t2;

INSERT INTO t1 VALUES (1),(2),(3),(4),(5),(6),(7),(8);
DELETE FROM t2;

FLUSH STATUS;
DELETE FROM t1;
SHOW STATUS LIKE 'handler_delete';
SELECT COUNT(*) FROM t2;

DROP TRIGGER trg_t1;
DROP TABLE t1,t2;

#
# Bug #23651 "Server crashes when trigger which uses stored function
#             invoked from different connections".
#
--disable_warnings
drop table if exists t1;
drop function if exists f1;
--enable_warnings
create table t1 (i int);
create function f1() returns int return 10;
create trigger t1_bi before insert on t1 for each row set @a:= f1() + 10;
insert into t1 values ();
select @a;
connection addconroot1;
insert into t1 values ();
select @a;
connection default;
drop table t1;
drop function f1;

#
# Bug#23703: DROP TRIGGER needs an IF EXISTS
#

create table t1(a int, b varchar(50));

-- error ER_TRG_DOES_NOT_EXIST
drop trigger not_a_trigger;

drop trigger if exists not_a_trigger;

create trigger t1_bi before insert on t1
for each row set NEW.b := "In trigger t1_bi";

insert into t1 values (1, "a");
drop trigger if exists t1_bi;
insert into t1 values (2, "b");
drop trigger if exists t1_bi;
insert into t1 values (3, "c");

select * from t1;

drop table t1;

#
# Bug#25398: crash when a trigger contains a SELECT with
#            trigger fields in the select list under DISTINCT
#
SET sql_mode = 'NO_ENGINE_SUBSTITUTION';
CREATE TABLE t1 (
  id int NOT NULL DEFAULT '0',
  a  varchar(10) NOT NULL,
  b  varchar(10),
  c  varchar(10),
  d  timestamp NOT NULL,
  PRIMARY KEY (id, a)
);

CREATE TABLE t2 (
  fubar_id         int unsigned NOT NULL DEFAULT '0',
  last_change_time datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
  PRIMARY KEY  (fubar_id)
);

DELIMITER |;

CREATE TRIGGER fubar_change
  AFTER UPDATE ON t1
    FOR EACH ROW
      BEGIN
        INSERT INTO t2 (fubar_id, last_change_time)
          SELECT DISTINCT NEW.id AS fubar_id, NOW() AS last_change_time
            FROM t1 WHERE (id = NEW.id) AND (OLD.c != NEW.c)
        ON DUPLICATE KEY UPDATE
          last_change_time =
            IF((fubar_id = NEW.id)AND(OLD.c != NEW.c),NOW(),last_change_time);
      END
|

DELIMITER ;|

INSERT INTO t1 (id,a, b,c,d) VALUES
 (1,'a','b','c',now()),(2,'a','b','c',now());

UPDATE t1 SET c='Bang!' WHERE id=1;

SELECT fubar_id FROM t2;

DROP TABLE t1,t2;
SET sql_mode = default;
#
# Bug#21285 (Incorrect message error deleting records in a table with a
#           trigger for inserting)
#

--disable_warnings
DROP TABLE IF EXISTS bug21825_A;
DROP TABLE IF EXISTS bug21825_B;
--enable_warnings

CREATE TABLE bug21825_A (id int(10));
CREATE TABLE bug21825_B (id int(10));

delimiter //;

CREATE TRIGGER trgA AFTER INSERT ON bug21825_A
FOR EACH ROW
BEGIN
  INSERT INTO bug21825_B (id) values (1);
END//
delimiter ;//

INSERT INTO bug21825_A (id) VALUES (10);
INSERT INTO bug21825_A (id) VALUES (20);

DROP TABLE bug21825_B;

# Must pass, the missing table in the insert trigger should not matter.
DELETE FROM bug21825_A WHERE id = 20;

DROP TABLE bug21825_A;

#
# Bug#22580 (DROP TABLE in nested stored procedure causes strange dependancy
# error)
#

--disable_warnings
DROP TABLE IF EXISTS bug22580_t1;
DROP PROCEDURE IF EXISTS bug22580_proc_1;
DROP PROCEDURE IF EXISTS bug22580_proc_2;
--enable_warnings

CREATE TABLE bug22580_t1 (a INT, b INT);

DELIMITER ||;

CREATE PROCEDURE bug22580_proc_2()
BEGIN
  DROP TABLE IF EXISTS bug22580_tmp;
  CREATE TEMPORARY TABLE bug22580_tmp (a INT);
  DROP TABLE bug22580_tmp;
END||

CREATE PROCEDURE bug22580_proc_1()
BEGIN
  CALL bug22580_proc_2();
END||

CREATE TRIGGER t1bu BEFORE UPDATE ON bug22580_t1
FOR EACH ROW
BEGIN
  CALL bug22580_proc_1();
END||

DELIMITER ;||

# Must pass, the actions of the update trigger should not matter
INSERT INTO bug22580_t1 VALUES (1,1);

DROP TABLE bug22580_t1;
DROP PROCEDURE bug22580_proc_1;
DROP PROCEDURE bug22580_proc_2;

#
# Bug#27006: AFTER UPDATE triggers not fired with INSERT ... ON DUPLICATE
#
--disable_warnings
DROP TRIGGER IF EXISTS trg27006_a_update;
DROP TRIGGER IF EXISTS trg27006_a_insert;
--enable_warnings

CREATE TABLE t1 (
  `id` int(10) unsigned NOT NULL auto_increment,
  `val` varchar(10) NOT NULL,
  PRIMARY KEY  (`id`)
);
CREATE TABLE t2 like t1;
DELIMITER |;

CREATE TRIGGER trg27006_a_insert AFTER INSERT ON t1 FOR EACH ROW
BEGIN
    insert into t2 values (NULL,new.val);
END |
CREATE TRIGGER trg27006_a_update AFTER UPDATE ON t1 FOR EACH ROW
BEGIN
    insert into t2 values (NULL,new.val);
END |
DELIMITER ;|

INSERT INTO t1(val) VALUES ('test1'),('test2');
SELECT * FROM t1;
SELECT * FROM t2;
--disable_ps_protocol # Different number of warnings until WL#6570.
INSERT INTO t1 VALUES (2,'test2') ON DUPLICATE KEY UPDATE val=VALUES(val);
INSERT INTO t1 VALUES (2,'test3') ON DUPLICATE KEY UPDATE val=VALUES(val);
INSERT INTO t1 VALUES (3,'test4') ON DUPLICATE KEY UPDATE val=VALUES(val);
--enable_ps_protocol
SELECT * FROM t1;
SELECT * FROM t2;
DROP TRIGGER trg27006_a_insert;
DROP TRIGGER trg27006_a_update;
drop table t1,t2;

#
# Bug #20903 "Crash when using CREATE TABLE .. SELECT and triggers"
#

create table t1 (i int);
create trigger t1_bi before insert on t1 for each row set new.i = 7;
create trigger t1_ai after insert on t1 for each row set @a := 7;
create table t2 (j int);
insert into t2 values (1), (2);
set @a:="";
insert into t1 select * from t2;
select * from t1;
select @a;
# Let us check that trigger that involves table also works ok.
drop trigger t1_bi;
drop trigger t1_ai;
create table t3 (isave int);
create trigger t1_bi before insert on t1 for each row insert into t3 values (new.i);
insert into t1 select * from t2;
select * from t1;
select * from t3;
drop table t1, t2, t3;

disconnect addconroot1;
disconnect addconroot2;
disconnect addconwithoutdb;

--echo
--echo Bug#28502 Triggers that update another innodb table will block
--echo on X lock unnecessarily
--echo
--echo Ensure we do not open and lock tables for triggers we do not fire.
--echo
--disable_warnings
drop table if exists t1, t2;
drop trigger if exists trg_bug28502_au;
--enable_warnings

create table t1 (id int, count int);
create table t2 (id int);
delimiter |;

create trigger trg_bug28502_au before update on t2
for each row
begin
  if (new.id is not null) then
    update t1 set count= count + 1 where id = old.id;
  end if;
end|

delimiter ;|
insert into t1 (id, count) values (1, 0);

lock table t1 write;

--connect (connection_insert, localhost, root, , test, , )
connection connection_insert;
# Is expected to pass.
insert into t2 set id=1;
connection default;
unlock tables;
update t2 set id=1 where id=1;
select * from t1;
select * from t2;
# Will drop the trigger
drop table t1, t2;
disconnect connection_insert;
--echo
--echo Additionally, provide test coverage for triggers and
--echo all MySQL data changing commands.
--echo
--disable_warnings
drop table if exists t1, t2, t1_op_log;
drop view if exists v1;
drop trigger if exists trg_bug28502_bi;
drop trigger if exists trg_bug28502_ai;
drop trigger if exists trg_bug28502_bu;
drop trigger if exists trg_bug28502_au;
drop trigger if exists trg_bug28502_bd;
drop trigger if exists trg_bug28502_ad;
--enable_warnings
create table t1 (id int primary key auto_increment, operation varchar(255));
create table t2 (id int primary key);
create table t1_op_log(operation varchar(255));
create view v1 as select * from t1;
create trigger trg_bug28502_bi before insert on t1
for each row
  insert into t1_op_log (operation)
  values (concat("Before INSERT, new=", new.operation));

create trigger trg_bug28502_ai after insert on t1
for each row
  insert into t1_op_log (operation)
  values (concat("After INSERT, new=", new.operation));

create trigger trg_bug28502_bu before update on t1
for each row
  insert into t1_op_log (operation)
  values (concat("Before UPDATE, new=", new.operation,
                 ", old=", old.operation));

create trigger trg_bug28502_au after update on t1
for each row
  insert into t1_op_log (operation)
  values (concat("After UPDATE, new=", new.operation,
                 ", old=", old.operation));

create trigger trg_bug28502_bd before delete on t1
for each row
  insert into t1_op_log (operation)
  values (concat("Before DELETE, old=", old.operation));

create trigger trg_bug28502_ad after delete on t1
for each row
  insert into t1_op_log (operation)
  values (concat("After DELETE, old=", old.operation));

insert into t1 (operation) values ("INSERT");

set @id=last_insert_id();

select * from t1;
select * from t1_op_log;
truncate t1_op_log;

update t1 set operation="UPDATE" where id=@id;

select * from t1;
select * from t1_op_log;
truncate t1_op_log;

delete from t1 where id=@id;

select * from t1;
select * from t1_op_log;
truncate t1;
truncate t1_op_log;

insert into t1 (id, operation) values
(NULL, "INSERT ON DUPLICATE KEY UPDATE, inserting a new key")
on duplicate key update id=NULL, operation="Should never happen";

set @id=last_insert_id();

select * from t1;
select * from t1_op_log;
truncate t1_op_log;

insert into t1 (id, operation) values
(@id, "INSERT ON DUPLICATE KEY UPDATE, the key value is the same")
on duplicate key update id=NULL,
operation="INSERT ON DUPLICATE KEY UPDATE, updating the duplicate";

select * from t1;
select * from t1_op_log;
truncate t1;
truncate t1_op_log;

replace into t1 values (NULL, "REPLACE, inserting a new key");

set @id=last_insert_id();

select * from t1;
select * from t1_op_log;
truncate t1_op_log;

replace into t1 values (@id, "REPLACE, deleting the duplicate");

select * from t1;
select * from t1_op_log;
truncate t1;
truncate t1_op_log;

insert into t1
select NULL, "CREATE TABLE ... SELECT, inserting a new key";

set @id=last_insert_id();

select * from t1;
select * from t1_op_log;
truncate t1_op_log;

replace into t1
select @id, "CREATE TABLE ... REPLACE SELECT, deleting a duplicate key";

select * from t1;
select * from t1_op_log;
truncate t1;
truncate t1_op_log;

insert into t1 (id, operation)
select NULL, "INSERT ... SELECT, inserting a new key";

set @id=last_insert_id();

select * from t1;
select * from t1_op_log;
truncate t1_op_log;

insert into t1 (id, operation)
select @id,
"INSERT ... SELECT ... ON DUPLICATE KEY UPDATE, updating a duplicate"
on duplicate key update id=NULL,
operation="INSERT ... SELECT ... ON DUPLICATE KEY UPDATE, updating a duplicate";

select * from t1;
select * from t1_op_log;
truncate t1;
truncate t1_op_log;

replace into t1 (id, operation)
select NULL, "REPLACE ... SELECT, inserting a new key";

set @id=last_insert_id();

select * from t1;
select * from t1_op_log;
truncate t1_op_log;

replace into t1 (id, operation)
select @id, "REPLACE ... SELECT, deleting a duplicate";

select * from t1;
select * from t1_op_log;
truncate t1;
truncate t1_op_log;

insert into t1 (id, operation) values (1, "INSERT for multi-DELETE");
insert into t2 (id) values (1);

delete t1.*, t2.* from t1, t2 where t1.id=1;

select * from t1;
select * from t2;
select * from t1_op_log;
truncate t1;
truncate t2;
truncate t1_op_log;

insert into t1 (id, operation) values (1, "INSERT for multi-UPDATE");
insert into t2 (id) values (1);
update t1, t2 set t1.id=2, operation="multi-UPDATE" where t1.id=1;
update t1, t2
set t2.id=3, operation="multi-UPDATE, SET for t2, but the trigger is fired" where t1.id=2;

select * from t1;
select * from t2;
select * from t1_op_log;
truncate table t1;
truncate table t2;
truncate table t1_op_log;

--echo
--echo Now do the same but use a view instead of the base table.
--echo

insert into v1 (operation) values ("INSERT");

set @id=last_insert_id();

select * from t1;
select * from t1_op_log;
truncate t1_op_log;

update v1 set operation="UPDATE" where id=@id;

select * from t1;
select * from t1_op_log;
truncate t1_op_log;

delete from v1 where id=@id;

select * from t1;
select * from t1_op_log;
truncate t1;
truncate t1_op_log;

insert into v1 (id, operation) values
(NULL, "INSERT ON DUPLICATE KEY UPDATE, inserting a new key")
on duplicate key update id=NULL, operation="Should never happen";

set @id=last_insert_id();

select * from t1;
select * from t1_op_log;
truncate t1_op_log;

insert into v1 (id, operation) values
(@id, "INSERT ON DUPLICATE KEY UPDATE, the key value is the same")
on duplicate key update id=NULL,
operation="INSERT ON DUPLICATE KEY UPDATE, updating the duplicate";

select * from t1;
select * from t1_op_log;
truncate t1;
truncate t1_op_log;

replace into v1 values (NULL, "REPLACE, inserting a new key");

set @id=last_insert_id();

select * from t1;
select * from t1_op_log;
truncate t1_op_log;

replace into v1 values (@id, "REPLACE, deleting the duplicate");

select * from t1;
select * from t1_op_log;
truncate t1;
truncate t1_op_log;

insert into v1
select NULL, "CREATE TABLE ... SELECT, inserting a new key";

set @id=last_insert_id();

select * from t1;
select * from t1_op_log;
truncate t1_op_log;

replace into v1
select @id, "CREATE TABLE ... REPLACE SELECT, deleting a duplicate key";

select * from t1;
select * from t1_op_log;
truncate t1;
truncate t1_op_log;

insert into v1 (id, operation)
select NULL, "INSERT ... SELECT, inserting a new key";

set @id=last_insert_id();

select * from t1;
select * from t1_op_log;
truncate t1_op_log;

insert into v1 (id, operation)
select @id,
"INSERT ... SELECT ... ON DUPLICATE KEY UPDATE, updating a duplicate"
on duplicate key update id=NULL,
operation="INSERT ... SELECT ... ON DUPLICATE KEY UPDATE, updating a duplicate";

select * from t1;
select * from t1_op_log;
truncate t1;
truncate t1_op_log;

replace into v1 (id, operation)
select NULL, "REPLACE ... SELECT, inserting a new key";

set @id=last_insert_id();

select * from t1;
select * from t1_op_log;
truncate t1_op_log;

replace into v1 (id, operation)
select @id, "REPLACE ... SELECT, deleting a duplicate";

select * from t1;
select * from t1_op_log;
truncate t1;
truncate t1_op_log;

insert into v1 (id, operation) values (1, "INSERT for multi-DELETE");
insert into t2 (id) values (1);

delete v1.*, t2.* from v1, t2 where v1.id=1;

select * from t1;
select * from t2;
select * from t1_op_log;
truncate t1;
truncate t2;
truncate t1_op_log;

insert into v1 (id, operation) values (1, "INSERT for multi-UPDATE");
insert into t2 (id) values (1);
update v1, t2 set v1.id=2, operation="multi-UPDATE" where v1.id=1;
update v1, t2
set t2.id=3, operation="multi-UPDATE, SET for t2, but the trigger is fired" where v1.id=2;

select * from t1;
select * from t2;
select * from t1_op_log;

drop view v1;
drop table t1, t2, t1_op_log;

#
# TODO: test LOAD DATA INFILE
#
--echo
--echo Bug#27248 Triggers: error if insert affects temporary table
--echo
--echo The bug was fixed by the fix for Bug#26141
--echo
--disable_warnings
drop table if exists t1;
drop temporary table if exists t2;
--enable_warnings
create table t1 (s1 int);
create temporary table t2 (s1 int);
create trigger t1_bi before insert on t1 for each row insert into t2 values (0);
create trigger t1_bd before delete on t1 for each row delete from t2;
insert into t1 values (0);
insert into t1 values (0);
select * from t1;
select * from t2;
delete from t1;
select * from t1;
select * from t2;
drop table t1;
drop temporary table t2;

--echo #------------------------------------------------------------------------
--echo # Bug#39953 Triggers are not working properly with multi table updates
--echo #------------------------------------------------------------------------

--disable_warnings
DROP TABLE IF EXISTS t1;
DROP TRIGGER IF EXISTS t_insert;
DROP TABLE IF EXISTS t2;
--enable_warnings

CREATE TABLE t1 (a int, date_insert timestamp, PRIMARY KEY (a));
INSERT INTO t1 (a) VALUES (2),(5);
CREATE TABLE t2 (a int, b int, PRIMARY KEY (a));
DELIMITER |;
CREATE TRIGGER t_insert AFTER INSERT ON t2 FOR EACH ROW BEGIN UPDATE t1,t2 SET
date_insert=NOW() WHERE t1.a=t2.b AND t2.a=NEW.a; END |
DELIMITER ;|
INSERT INTO t2 (a,b) VALUES (1,2);

DROP TRIGGER t_insert;

DELIMITER |;
CREATE TRIGGER t_insert AFTER INSERT ON t2 FOR EACH ROW BEGIN UPDATE t1,t2 SET
date_insert=NOW(),b=b+1 WHERE t1.a=t2.b AND t2.a=NEW.a; END |
DELIMITER ;|
--error ER_CANT_UPDATE_USED_TABLE_IN_SF_OR_TRG
INSERT INTO t2 (a,b) VALUES (3,5);

DROP TABLE t1;
DROP TRIGGER t_insert;
DROP TABLE t2;

--echo End of 5.0 tests

#
# Bug#25411 (trigger code truncated)
#

--disable_warnings
drop table if exists table_25411_a;
drop table if exists table_25411_b;
--enable_warnings

create table table_25411_a(a int);
create table table_25411_b(b int);

create trigger trg_25411a_ai after insert on table_25411_a
for each row
  insert into table_25411_b select new.*;

select * from table_25411_a;

--error ER_BAD_TABLE_ERROR
insert into table_25411_a values (1);

select * from table_25411_a;

drop table table_25411_a;
drop table table_25411_b;

#
# Bug #31866: MySQL Server crashes on SHOW CREATE TRIGGER statement
#

--error ER_TRG_DOES_NOT_EXIST
SHOW CREATE TRIGGER trg;

#
# Bug#23713 LOCK TABLES + CREATE TRIGGER + FLUSH TABLES WITH READ LOCK = deadlock
#
# Test of trigger creation and removal under LOCK TABLES
#

create table t1 (i int, j int);

create trigger t1_bi before insert on t1 for each row begin end;
--error ER_TRG_ALREADY_EXISTS
create trigger t1_bi before insert on t1 for each row begin end;
drop trigger t1_bi;
--error ER_TRG_DOES_NOT_EXIST
drop trigger t1_bi;

lock tables t1 read;
--error ER_TABLE_NOT_LOCKED_FOR_WRITE
create trigger t1_bi before insert on t1 for each row begin end;
--error ER_TABLE_NOT_LOCKED_FOR_WRITE
create trigger t1_bi before insert on t1 for each row begin end;
--error ER_TRG_DOES_NOT_EXIST
drop trigger t1_bi;
unlock tables;

create trigger t1_bi before insert on t1 for each row begin end;
lock tables t1 read;
--error ER_TABLE_NOT_LOCKED_FOR_WRITE
create trigger t1_bi before insert on t1 for each row begin end;
--error ER_TABLE_NOT_LOCKED_FOR_WRITE
drop trigger t1_bi;
unlock tables;
drop trigger t1_bi;

lock tables t1 write;
create trigger b1_bi before insert on t1 for each row set new.i = new.i + 10;
insert into t1 values (10, 10);
drop trigger b1_bi;
insert into t1 values (10, 10);
select * from t1;
unlock tables;

drop table t1;

#
# Bug#23771 AFTER UPDATE trigger not invoked when there are no changes of the data
#

--disable_warnings
drop table if exists t1, t2;
drop trigger if exists trg1;
drop trigger if exists trg2;
--enable_warnings
create table t1 (a int);
create table t2 (b int);
create trigger trg1 after update on t1 for each row set @a= @a+1;
create trigger trg2 after update on t2 for each row set @b= @b+1;
insert into t1 values (1), (2), (3);
insert into t2 values (1), (2), (3);
set @a= 0;
set @b= 0;
update t1, t2 set t1.a= t1.a, t2.b= t2.b;
select @a, @b;
update t1, t2 set t1.a= t2.b, t2.b= t1.a;
select @a, @b;
update t1 set a= a;
select @a, @b;
update t2 set b= b;
select @a, @b;
update t1 set a= 1;
select @a, @b;
update t2 set b= 1;
select @a, @b;
drop trigger trg1;
drop trigger trg2;
drop table t1, t2;

#
# Bug#44653: Server crash noticed when executing random queries with partitions.
#
CREATE TABLE t1 ( a INT, b INT );
CREATE TABLE t2 ( a INT AUTO_INCREMENT KEY, b INT );

INSERT INTO t1 (a) VALUES (1);

delimiter //;
CREATE TRIGGER tr1
BEFORE INSERT ON t2
FOR EACH ROW
BEGIN
  UPDATE a_nonextisting_table SET a = 1;
END//
delimiter ;//

--disable_abort_on_error ONCE
CREATE TABLE IF NOT EXISTS t2 ( a INT, b INT ) SELECT a, b FROM t1;

# Caused failed assertion
SELECT * FROM t2;

DROP TABLE t1, t2;

--echo #
--echo # Bug#51650 crash with user variables and triggers
--echo #

--disable_warnings
DROP TRIGGER IF EXISTS trg1;
DROP TABLE IF EXISTS t1, t2;
--enable_warnings

CREATE TABLE t1 (b VARCHAR(50) NOT NULL);
CREATE TABLE t2 (a VARCHAR(10) NOT NULL DEFAULT '');

delimiter //;
CREATE TRIGGER trg1 AFTER INSERT ON t2
FOR EACH ROW BEGIN
  SELECT 1 FROM t1 c WHERE
    (@bug51650 IS NULL OR @bug51650 != c.b) AND c.b = NEW.a LIMIT 1 INTO @foo;
END//
delimiter ;//

SET @bug51650 = 1;
INSERT IGNORE INTO t2 VALUES();
INSERT IGNORE INTO t1 SET b = '777';
INSERT IGNORE INTO t2 SET a = '111';
SET @bug51650 = 1;
INSERT IGNORE INTO t2 SET a = '777';

DROP TRIGGER trg1;
DROP TABLE t1, t2;

--echo #
--echo # Bug#50755: Crash if stored routine def contains version comments
--echo #
--echo # With WL#9494, the SHOW TRIGGERS no more parses
--echo # the underlaying trigger, and hence it would not
--echo # report parse error. This means that the code
--echo # causing this issue is removed now with WL#9494.
--echo # This test case is kept for reference.
--echo #

--disable_warnings
DROP DATABASE IF EXISTS db1;
DROP TRIGGER IF EXISTS trg1;
DROP TABLE IF EXISTS t1, t2;
--enable_warnings

CREATE DATABASE db1;
USE db1;

CREATE TABLE t1 (b INT);
CREATE TABLE t2 (a INT);

CREATE TRIGGER trg1 BEFORE INSERT ON t2 FOR EACH ROW INSERT/*!INTO*/t1 VALUES (1);
--replace_column 6 #
SHOW TRIGGERS IN db1;
--error ER_PARSE_ERROR
INSERT INTO t2 VALUES (1);
SELECT * FROM t1;

DROP DATABASE db1;
USE test;

--echo End of 5.1 tests.


--echo #
--echo # Bug#34453 Can't change size of file (Errcode: 1224)
--echo #

--disable_warnings
DROP TRIGGER IF EXISTS t1_bi;
DROP TRIGGER IF EXISTS t1_bd;
DROP TABLE IF EXISTS t1;
DROP TEMPORARY TABLE IF EXISTS t2;
--enable_warnings

CREATE TABLE t1 (s1 INT);
CREATE TEMPORARY TABLE t2 (s1 INT);
CREATE TRIGGER t1_bi BEFORE INSERT ON t1 FOR EACH ROW INSERT INTO t2 VALUES (0);
CREATE TRIGGER t1_bd BEFORE DELETE ON t1 FOR EACH ROW DELETE FROM t2;
INSERT INTO t1 VALUES (0);
INSERT INTO t1 VALUES (0);
SELECT * FROM t1;
SELECT * FROM t2;
-- echo # Reported to give ERROR 14 (HY000):
-- echo # Can't change size of file (Errcode: 1224)
-- echo # on Windows
DELETE FROM t1;

DROP TABLE t1;
DROP TEMPORARY TABLE t2;

#
# Bug#36649: Condition area is not properly cleaned up after stored routine invocation
#
SET sql_mode = 'NO_ENGINE_SUBSTITUTION';
--disable_warnings
DROP TRIGGER IF EXISTS trg1;
DROP TABLE IF EXISTS t1;
--enable_warnings

CREATE TABLE t1 (a INT);

delimiter |;
CREATE TRIGGER trg1 BEFORE INSERT ON t1 FOR EACH ROW
BEGIN
  DECLARE a CHAR;
  SELECT 'ab' INTO a;
  SELECT 'ab' INTO a;
  SELECT 'a' INTO a;
END|
delimiter ;|

INSERT INTO t1 VALUES (1);

DROP TRIGGER trg1;
DROP TABLE t1;

#
# Successive trigger actuations
#

--disable_warnings
DROP TRIGGER IF EXISTS trg1;
DROP TRIGGER IF EXISTS trg2;
DROP TABLE IF EXISTS t1;
--enable_warnings

CREATE TABLE t1 (a INT);

delimiter |;

CREATE TRIGGER trg1 BEFORE INSERT ON t1 FOR EACH ROW
BEGIN
  DECLARE trg1 CHAR;
  SELECT 'ab' INTO trg1;
END|

CREATE TRIGGER trg2 AFTER INSERT ON t1 FOR EACH ROW
BEGIN
  DECLARE trg2 CHAR;
  SELECT 'ab' INTO trg2;
END|

delimiter ;|

INSERT INTO t1 VALUES (0);
SELECT * FROM t1;
SHOW WARNINGS;
INSERT INTO t1 VALUES (1),(2);

DROP TRIGGER trg1;
DROP TRIGGER trg2;
DROP TABLE t1;
SET sql_mode = default;

--echo #
--echo # Bug #46747 "Crash in MDL_ticket::upgrade_shared_lock_to_exclusive
--echo #             on TRIGGER + TEMP table".
--echo #

--disable_warnings
drop trigger if exists t1_bi;
drop temporary table if exists t1;
drop table if exists t1;
--enable_warnings

create table t1 (i int);
create trigger t1_bi before insert on t1 for each row set @a:=1;
--echo # Create temporary table which shadows base table with trigger.
create temporary table t1 (j int);
--echo # Dropping of trigger should succeed.
drop trigger t1_bi;
select trigger_name from information_schema.triggers
  where event_object_schema = 'test' and event_object_table = 't1';
--echo # Clean-up.
drop temporary table t1;
drop table t1;


--echo
--echo #
--echo # Bug #12362125: SP INOUT HANDLING IS BROKEN FOR TEXT TYPE.
--echo #

CREATE TABLE t1(c TEXT);

delimiter |;
CREATE TRIGGER t1_bi BEFORE INSERT ON t1 FOR EACH ROW
BEGIN
  DECLARE v TEXT;
  SET v = 'aaa';
  SET NEW.c = v;
END|
delimiter ;|

INSERT INTO t1 VALUES('qazwsxedc');

SELECT c FROM t1;

DROP TABLE t1;

--echo
--echo End of 5.5 tests.
--echo


--echo #
--echo # Bug#34432 Wrong lock type passed to the engine if pre-locking +
--echo #           multi-update in a trigger
--echo #
--disable_warnings
DROP TABLE IF EXISTS t1, t2, t3;
DROP TRIGGER IF EXISTS t2_ai;
--enable_warnings
CREATE TABLE t2
       (
         value CHAR(30),
         domain_id INT,
         mailaccount_id INT,
         program CHAR(30),
         keey CHAR(30),
         PRIMARY KEY(domain_id)
       );
CREATE TABLE t3
       (
         value CHAR(30),
         domain_id INT,
         mailaccount_id INT,
         program CHAR(30),
         keey CHAR(30),
         PRIMARY KEY(domain_id)
       );
CREATE TABLE t1 (id INT,domain CHAR(30),PRIMARY KEY(id));

delimiter |;
CREATE TRIGGER t2_ai AFTER INSERT ON t2 FOR EACH ROW
  UPDATE t3 ms, t1 d SET ms.value='No'
  WHERE ms.domain_id =
    (SELECT max(id) FROM t1 WHERE domain='example.com')
  AND ms.mailaccount_id IS NULL
  AND ms.program='spamfilter'
  AND ms.keey='scan_incoming';
|
delimiter ;|

INSERT INTO t1 VALUES (1, 'example.com'),
                      (2, 'mysql.com'),
                      (3, 'earthmotherwear.com'),
                      (4, 'yahoo.com'),
                      (5, 'example.com');
INSERT INTO t2 VALUES ('Yes', 1, NULL, 'spamfilter','scan_incoming');
DROP TRIGGER t2_ai;
DROP TABLE t1, t2, t3;

--echo #
--echo # Bug#14493938 - CREATE TEMPORARY TABLE INSIDE TRIGGER -- CRASH (DEBUG ONLY)
--echo #

CREATE TABLE t1 (a INT, b INT DEFAULT 150);

delimiter |;
CREATE TRIGGER t1_bi BEFORE INSERT ON t1
FOR EACH ROW
BEGIN
  CREATE TEMPORARY TABLE t2 AS SELECT NEW.a, NEW.b;
  INSERT INTO t2(a) VALUES (10);
  INSERT INTO t2 VALUES (100, 500);
  INSERT INTO t2(a) VALUES (1000);
END
|
delimiter ;|

INSERT INTO t1 VALUES (1, 2);
SELECT * FROM t2;

DROP TABLE t1;
DROP TEMPORARY TABLE t2;

--echo #
--echo # Bug#15985318 - ASSERTION FAILED: ! thd->in_sub_stmt with certain
--echo #                                    commands in triggers
--echo #

CREATE TABLE t1(a INT);

--error ER_COMMIT_NOT_ALLOWED_IN_SF_OR_TRG
CREATE TRIGGER t1_au AFTER UPDATE ON t1 FOR EACH ROW START SLAVE;

--error ER_COMMIT_NOT_ALLOWED_IN_SF_OR_TRG
CREATE TRIGGER t1_au AFTER UPDATE ON t1 FOR EACH ROW STOP SLAVE;

--error ER_COMMIT_NOT_ALLOWED_IN_SF_OR_TRG
CREATE TRIGGER t1_au AFTER UPDATE ON t1 FOR EACH ROW
CREATE SERVER s FOREIGN DATA WRAPPER mysql OPTIONS (USER 'Remote',
                                                    HOST '192.168.1.106',
                                                    DATABASE 'test');

--error ER_COMMIT_NOT_ALLOWED_IN_SF_OR_TRG
CREATE TRIGGER t1_bu BEFORE UPDATE ON t1 FOR EACH ROW
ALTER SERVER s OPTIONS (password '1');

--error ER_COMMIT_NOT_ALLOWED_IN_SF_OR_TRG
CREATE TRIGGER tr1 AFTER UPDATE ON t1 FOR EACH ROW
DROP SERVER IF EXISTS s;

CREATE DATABASE db1;

--error ER_COMMIT_NOT_ALLOWED_IN_SF_OR_TRG
CREATE TRIGGER tr1 AFTER UPDATE ON t1 FOR EACH ROW
ALTER DATABASE db1 CHARACTER SET latin1;

DROP DATABASE db1;

CREATE USER 'u1'@'localhost' IDENTIFIED BY 'pass';

--error ER_COMMIT_NOT_ALLOWED_IN_SF_OR_TRG
CREATE TRIGGER tr1 AFTER UPDATE ON t1 FOR EACH ROW
ALTER USER 'u1'@'localhost' PASSWORD EXPIRE;

DROP USER 'u1'@'localhost';

--error ER_COMMIT_NOT_ALLOWED_IN_SF_OR_TRG
CREATE TRIGGER tr1 AFTER UPDATE ON t1 FOR EACH ROW
CHANGE MASTER TO MASTER_SSL = 0;

DROP TABLE t1;

--echo #
--echo # Bug#17864349 - CHANGING TRUNCATE TABLE TO DROP TABLE & CREATE TABLE
--echo # MAKES TRIGGER.TEST FAIL
--echo #

--echo # The following tests check for non in-place update (i.e. using temporary table)
--echo # of column with different datatypes

SET @save_sql_mode= @@sql_mode;
SET sql_mode= 'traditional';

let $column1_type_name = INT;
let $column2_type_name = INT;
let $column2_value = 3;
--source include/trigger_17864349.inc

let $column1_type_name = TINYINT;
let $column2_type_name = TINYINT;
let $column2_value = 3;
--source include/trigger_17864349.inc

let $column1_type_name = BOOL;
let $column2_type_name = BOOL;
let $column2_value = TRUE;
--source include/trigger_17864349.inc

let $column1_type_name = SMALLINT;
let $column2_type_name = SMALLINT;
let $column2_value = 3;
--source include/trigger_17864349.inc

let $column1_type_name = BIGINT;
let $column2_type_name = BIGINT;
let $column2_value = 3;
--source include/trigger_17864349.inc

let $column1_type_name = DECIMAL;
let $column2_type_name = DECIMAL;
let $column2_value = 3;
--source include/trigger_17864349.inc

let $column1_type_name = FLOAT;
let $column2_type_name = FLOAT;
let $column2_value = 3;
--source include/trigger_17864349.inc

let $column1_type_name = DOUBLE;
let $column2_type_name = DOUBLE;
let $column2_value = 3;
--source include/trigger_17864349.inc

let $column1_type_name = BIT;
let $column2_type_name = BIT;
let $column2_value = 1;
--source include/trigger_17864349.inc

let $column1_type_name = ENUM('a', 'b', 'c');
let $column2_type_name = ENUM('a', 'b', 'c');
let $column2_value = 'b';
--source include/trigger_17864349.inc

let $column1_type_name = SET('a', 'b', 'c');
let $column2_type_name = SET('a', 'b', 'c');
let $column2_value = 'b';
--source include/trigger_17864349.inc

let $column1_type_name = VARBINARY(10);
let $column2_type_name = VARBINARY(10);
let $column2_value = 'binary';
--source include/trigger_17864349.inc

let $column1_type_name = BINARY(10);
let $column2_type_name = BINARY(10);
let $column2_value = 'binary';
--source include/trigger_17864349.inc

let $column1_type_name = TINYTEXT;
let $column2_type_name = TINYTEXT;
let $column2_value = 'text';
--source include/trigger_17864349.inc

let $column1_type_name = TEXT(10);
let $column2_type_name = TEXT(10);
let $column2_value = 'text';
--source include/trigger_17864349.inc

let $column1_type_name = BLOB;
let $column2_type_name = BLOB;
let $column2_value = 'binary';
--source include/trigger_17864349.inc

let $column1_type_name = VARCHAR(5);
let $column2_type_name = INT;
let $column2_value = 3;
--source include/trigger_17864349.inc

let $column1_type_name = INT;
let $column2_type_name = VARCHAR(5);
let $column2_value = 'str';
--source include/trigger_17864349.inc

let $column1_type_name = VARCHAR(15);
let $column2_type_name = VARCHAR(5);
let $column2_value = 'str';
--source include/trigger_17864349.inc

let $column1_type_name = VARCHAR(15);
let $column2_type_name = BLOB;
let $column2_value = 'str';
--source include/trigger_17864349.inc

let $column1_type_name = TEXT(20);
let $column2_type_name = TEXT(10);
let $column2_value = 'text';
--source include/trigger_17864349.inc

SET sql_mode= @save_sql_mode;

# End of tests for Bug#17864349
--echo #
--echo # Bug#18596756 - FAILED PREPARING OF TRIGGER ON TRUNCATED TABLES CAUSE
--echo #                ERROR 1054.
--echo #

CREATE TABLE t1(id INT);
CREATE TABLE t2(id INT);

CREATE TRIGGER trigger1 BEFORE INSERT ON t1 FOR EACH ROW
  SET NEW.id= (SELECT * FROM t2);

INSERT INTO t2 VALUES(0);
INSERT INTO t1 VALUES(0);

TRUNCATE TABLE t2;

INSERT INTO t2 VALUES(0);
#Without the fix, trigger fired for following INSERT operation reports
#"ER_BAD_FIELD_ERROR" error.
INSERT INTO t1 VALUES(0);

DROP TABLE t2;

--error ER_NO_SUCH_TABLE
#Without the fix, trigger fired for following INSERT operation reports
#"ER_BAD_FIELD_ERROR" error also here.
INSERT INTO t1 VALUES(0);

DROP TABLE t1;

--echo #
--echo # Bug#16522924 : UPDATE TRIGGER INVOKED WHEN UPDATE IGNORE MEANS
--echo #                      THAT NO UPDATE IS PERFORMED
--echo #
CREATE TABLE t1 (a INT PRIMARY KEY);
CREATE TABLE t2 (after_update CHAR(50));
CREATE TABLE t3(b INT PRIMARY KEY);
INSERT INTO t1 VALUES (1), (2);
INSERT INTO t3 VALUES (1);
DELIMITER |;
CREATE TRIGGER post_update_t1 AFTER UPDATE ON t1
FOR EACH ROW BEGIN
  INSERT INTO t2 VALUES("POST UPDATE TRIGGER FOR UPDATE IGNORE ON t1 FIRED");
END|
DELIMITER ;|
UPDATE IGNORE t1 SET a=2 WHERE a=1;
SELECT * FROM t2;
UPDATE IGNORE t1,t3 SET t1.a=2 WHERE t1.a=1;
SELECT * FROM t2;
UPDATE IGNORE t3,t1 SET t1.a=2 WHERE t1.a=1;
SELECT * FROM t1;
SELECT * FROM t2;
DROP TRIGGER post_update_t1;
DROP TABLE t1,t2,t3;

--echo #
--echo # WL#9262: All system tables should support 32 character length user names
--echo #

CREATE USER user_name_robert_golebiowski@oh_my_gosh_this_is_a_long_hostname_look_at_it_it_has_60_char;
CREATE TABLE test.silly_one (ID INT);

CREATE DEFINER=user_name_robert_golebiowski@oh_my_gosh_this_is_a_long_hostname_look_at_it_it_has_60_char TRIGGER test.silly_trigger BEFORE INSERT ON test.silly_one FOR EACH ROW SET @x=1;

--replace_column 6 #
SHOW TRIGGERS FROM test LIKE 'silly_one';

SELECT DEFINER FROM information_schema.triggers WHERE TRIGGER_NAME='silly_trigger';

DROP USER user_name_robert_golebiowski@oh_my_gosh_this_is_a_long_hostname_look_at_it_it_has_60_char;
DROP TRIGGER test.silly_trigger;
DROP TABLE test.silly_one;

--echo #
--echo # Bug #22512899 - DROP TRIGGER AFTER RENAME TABLE RESULTS IN ERROR CODE 1146: TABLE DOESN'T EXIST
--echo #

CREATE TABLE t1 (a INT) ENGINE=InnoDB;
CREATE TRIGGER t1_bi BEFORE INSERT ON t1 FOR EACH ROW BEGIN END;

RENAME TABLE t1 TO t1Renamed;

DROP TRIGGER t1_bi;
DROP TABLE t1Renamed;

--echo End of 5.7 tests.

--echo #
--echo # Bug #23624693 - USING SHOW CREATE TRIGGER IN A TRANSACTION CRASHES THE SERVER
--echo #

--error ER_BAD_DB_ERROR
SHOW CREATE TRIGGER non_existence_db.some_trigger;

--error ER_BAD_DB_ERROR
CREATE TRIGGER non_existent_db.trg1 BEFORE INSERT ON t1 FOR EACH ROW BEGIN END;

--error ER_BAD_DB_ERROR
DROP TRIGGER non_existent_db.trg1;

--echo #
--echo # Bug#24449174 - DROPPING A PARTITION DROPS THE TRIGGER ON 8.0.0
--echo #

CREATE TABLE t1 (val INT NOT NULL) ENGINE=InnoDB
PARTITION BY LIST(val) (
  PARTITION p1 VALUES IN (1,2,3),
  PARTITION p2 VALUES IN (4,5)
);

CREATE TRIGGER t1_bi BEFORE INSERT ON t1 FOR EACH ROW BEGIN END;

--replace_column 7 #
SHOW CREATE TRIGGER t1_bi;

ALTER TABLE t1 DROP PARTITION p1;

--replace_column 7 #
SHOW CREATE TRIGGER t1_bi;

DROP TABLE t1;

--echo #
--echo # Bug#24482919 -- SHOW TRIGGER OUTPUT INCONSISTENCY ON WINDOWS / LINUX ON 8.0.0
--echo #
CREATE TABLE t1 (a INT);
CREATE TRIGGER trg1a BEFORE INSERT ON t1 FOR EACH ROW BEGIN END;
CREATE TRIGGER trg1b AFTER INSERT ON t1 FOR EACH ROW BEGIN END;
CREATE TRIGGER trg1c BEFORE UPDATE ON t1 FOR EACH ROW BEGIN END;
CREATE TRIGGER trg1d AFTER UPDATE ON t1 FOR EACH ROW BEGIN END;
CREATE TRIGGER trg1e BEFORE DELETE ON t1 FOR EACH ROW BEGIN END;
CREATE TRIGGER trg1f AFTER DELETE ON t1 FOR EACH ROW BEGIN END;
CREATE TRIGGER trg1a2 BEFORE INSERT ON t1 FOR EACH ROW BEGIN END;
CREATE TRIGGER trg1b2 AFTER INSERT ON t1 FOR EACH ROW BEGIN END;
CREATE TRIGGER trg1c2 BEFORE UPDATE ON t1 FOR EACH ROW BEGIN END;
CREATE TRIGGER trg1d2 AFTER UPDATE ON t1 FOR EACH ROW BEGIN END;
CREATE TRIGGER trg1f2 AFTER DELETE ON t1 FOR EACH ROW BEGIN END;
CREATE TRIGGER trg1a0 BEFORE INSERT ON t1 FOR EACH ROW PRECEDES trg1a BEGIN END;
CREATE TRIGGER trg1a3 BEFORE INSERT ON t1 FOR EACH ROW FOLLOWS trg1a2 BEGIN END;
CREATE TRIGGER trg1b0 AFTER INSERT ON t1 FOR EACH ROW PRECEDES trg1b BEGIN END;
CREATE TRIGGER trg1b3 AFTER INSERT ON t1 FOR EACH ROW FOLLOWS trg1b2 BEGIN END;
CREATE TRIGGER trg1c0 BEFORE UPDATE ON t1 FOR EACH ROW PRECEDES trg1c BEGIN END;
CREATE TRIGGER trg1c3 BEFORE UPDATE ON t1 FOR EACH ROW FOLLOWS trg1c2 BEGIN END;
SELECT TRIGGER_NAME FROM information_schema.triggers WHERE TRIGGER_NAME LIKE 'trg1%' ORDER BY TRIGGER_NAME;
--replace_column 6 # 7 #
SHOW TRIGGERS;
DROP TABLE t1;


--echo #
--echo # Bug#25581925: 'MDL_CHECKER::IS_READ_LOCKED(M_THD, *OBJECT)' AT
--echo #               DD::CACHE::DICTIONARY_CLIENT:
--echo #

CREATE TABLE t1(a INT);
CREATE SCHEMA s1;
CREATE VIEW s1.v1 AS SELECT * FROM t1;
CREATE TRIGGER trg1 BEFORE INSERT ON t1 FOR EACH ROW BEGIN END;
LOCK TABLE s1.v1 WRITE;
# This used to cause an assert.
DROP TRIGGER trg1;
UNLOCK TABLES;
DROP VIEW s1.v1;
DROP TABLE t1;
DROP SCHEMA s1;

###########################################################################
#
# Tests for WL#2818:
#   - Check that triggers are executed under the authorization of the definer.
#   - Check DEFINER clause of CREATE TRIGGER statement;
#     - Check that SUPER privilege required to create a trigger with different
#       definer.
#     - Check that if the user specified as DEFINER does not exist, a warning
#       is emitted.
#     - Check that the definer of a trigger does not exist, the trigger will
#       not be activated.
#   - Check that SHOW TRIGGERS statement provides "Definer" column.
#   - Check that if trigger contains NEW/OLD variables, the definer must have
#     SELECT privilege on the subject table (aka BUG#15166/BUG#15196).
#
#  Let's also check that user name part of definer can contain '@' symbol (to
#  check that triggers are not affected by BUG#13310 "incorrect user parsing
#  by SP").
#
###########################################################################

#
# Prepare environment.
#

DELETE FROM mysql.user WHERE User LIKE 'mysqltest_%';
DELETE FROM mysql.db WHERE User LIKE 'mysqltest_%';
DELETE FROM mysql.tables_priv WHERE User LIKE 'mysqltest_%';
DELETE FROM mysql.columns_priv WHERE User LIKE 'mysqltest_%';
FLUSH PRIVILEGES;

--disable_warnings
DROP DATABASE IF EXISTS mysqltest_db1;
--enable_warnings

CREATE DATABASE mysqltest_db1;

CREATE USER mysqltest_dfn@localhost;
CREATE USER mysqltest_inv@localhost;

GRANT CREATE ON mysqltest_db1.* TO mysqltest_dfn@localhost;

--connect (wl2818_definer_con,localhost,mysqltest_dfn,,mysqltest_db1)
--connection wl2818_definer_con
--echo
--echo ---> connection: wl2818_definer_con

CREATE TABLE t1(num_value INT);
CREATE TABLE t2(user_str TEXT);

--disconnect wl2818_definer_con

--connection default
--echo
--echo ---> connection: default

GRANT INSERT, DROP ON mysqltest_db1.t1 TO mysqltest_dfn@localhost;
GRANT INSERT, DROP ON mysqltest_db1.t2 TO mysqltest_dfn@localhost;

#
# Check that the user must have TRIGGER privilege to create a trigger.
#

--connection default
--echo
--echo ---> connection: default

GRANT SUPER ON *.* TO mysqltest_dfn@localhost;

--connect (wl2818_definer_con,localhost,mysqltest_dfn,,mysqltest_db1)
--connection wl2818_definer_con
--echo
--echo ---> connection: wl2818_definer_con

--error ER_TABLEACCESS_DENIED_ERROR
CREATE TRIGGER trg1 AFTER INSERT ON t1
  FOR EACH ROW
    INSERT INTO t2 VALUES(CURRENT_USER());

--disconnect wl2818_definer_con

#
# Check that the user must have TRIGGER privilege to drop a trigger.
#

--connection default
--echo
--echo ---> connection: default

GRANT TRIGGER ON mysqltest_db1.t1 TO mysqltest_dfn@localhost;

--connect (wl2818_definer_con,localhost,mysqltest_dfn,,mysqltest_db1)
--connection wl2818_definer_con
--echo
--echo ---> connection: wl2818_definer_con

CREATE TRIGGER trg1 AFTER INSERT ON t1
  FOR EACH ROW
    INSERT INTO t2 VALUES(CURRENT_USER());

--disconnect wl2818_definer_con

--connection default
--echo
--echo ---> connection: default

REVOKE TRIGGER ON mysqltest_db1.t1 FROM mysqltest_dfn@localhost;

--connect (wl2818_definer_con,localhost,mysqltest_dfn,,mysqltest_db1)
--connection wl2818_definer_con
--echo
--echo ---> connection: wl2818_definer_con

--error ER_TABLEACCESS_DENIED_ERROR
DROP TRIGGER trg1;

--disconnect wl2818_definer_con

#
# Check that the definer must have TRIGGER privilege to activate a trigger.
#

--connect (wl2818_definer_con,localhost,mysqltest_dfn,,mysqltest_db1)
--connection wl2818_definer_con
--echo
--echo ---> connection: wl2818_definer_con

--error ER_TABLEACCESS_DENIED_ERROR
INSERT INTO t1 VALUES(0);

--disconnect wl2818_definer_con

--connection default
--echo
--echo ---> connection: default

GRANT TRIGGER ON mysqltest_db1.t1 TO mysqltest_dfn@localhost;

--connect (wl2818_definer_con,localhost,mysqltest_dfn,,mysqltest_db1)
--connection wl2818_definer_con
--echo
--echo ---> connection: wl2818_definer_con

INSERT INTO t1 VALUES(0);

# Cleanup for further tests.
DROP TRIGGER trg1;
TRUNCATE TABLE t1;
TRUNCATE TABLE t2;

--disconnect wl2818_definer_con

--connection default
--echo
--echo ---> connection: default

REVOKE SUPER ON *.* FROM mysqltest_dfn@localhost;

#
# Check that triggers are executed under the authorization of the definer:
#   - create two tables under "definer";
#   - grant all privileges on the test db to "definer";
#   - grant all privileges on the first table to "invoker";
#   - grant only select privilege on the second table to "invoker";
#   - create a trigger, which inserts a row into the second table after
#     inserting into the first table.
#   - insert a row into the first table under "invoker". A row also should be
#     inserted into the second table.
#

--connect (wl2818_definer_con,localhost,mysqltest_dfn,,mysqltest_db1)
--connection wl2818_definer_con
--echo
--echo ---> connection: wl2818_definer_con

CREATE TRIGGER trg1 AFTER INSERT ON t1
  FOR EACH ROW
    INSERT INTO t2 VALUES(CURRENT_USER());

--connection default
--echo
--echo ---> connection: default

# Setup definer's privileges.

GRANT ALL PRIVILEGES ON mysqltest_db1.t1 TO mysqltest_dfn@localhost;
GRANT ALL PRIVILEGES ON mysqltest_db1.t2 TO mysqltest_dfn@localhost;

# Setup invoker's privileges.

GRANT ALL PRIVILEGES ON mysqltest_db1.t1
  TO 'mysqltest_inv'@localhost;

GRANT SELECT ON mysqltest_db1.t2
  TO 'mysqltest_inv'@localhost;

--connection wl2818_definer_con
--echo
--echo ---> connection: wl2818_definer_con

use mysqltest_db1;

INSERT INTO t1 VALUES(1);

SELECT * FROM t1;
SELECT * FROM t2;

--connect (wl2818_invoker_con,localhost,mysqltest_inv,,mysqltest_db1)
--connection wl2818_invoker_con
--echo
--echo ---> connection: wl2818_invoker_con

use mysqltest_db1;

INSERT INTO t1 VALUES(2);

SELECT * FROM t1;
SELECT * FROM t2;

#
# Check that if definer lost some privilege required to execute (activate) a
# trigger, the trigger will not be activated:
#  - create a trigger on insert into the first table, which will insert a row
#    into the second table;
#  - revoke INSERT privilege on the second table from the definer;
#  - insert a row into the first table;
#  - check that an error has been risen;
#  - check that no row has been inserted into the second table;
#

--connection default
--echo
--echo ---> connection: default

use mysqltest_db1;

REVOKE INSERT ON mysqltest_db1.t2 FROM mysqltest_dfn@localhost;

--connection wl2818_invoker_con
--echo
--echo ---> connection: wl2818_invoker_con

use mysqltest_db1;

--error ER_TABLEACCESS_DENIED_ERROR
INSERT INTO t1 VALUES(3);

SELECT * FROM t1;
SELECT * FROM t2;

#
# Check DEFINER clause of CREATE TRIGGER statement.
#
#   - Check that SUPER privilege required to create a trigger with different
#     definer:
#     - try to create a trigger with DEFINER="definer@localhost" under
#       "invoker";
#     - analyze error code;
#   - Check that if the user specified as DEFINER does not exist, a warning is
#     emitted:
#     - create a trigger with DEFINER="non_existent_user@localhost" from
#       "definer";
#     - check that a warning emitted;
#   - Check that the definer of a trigger does not exist, the trigger will not
#     be activated:
#     - activate just created trigger;
#     - check error code;
#

--connection wl2818_definer_con
--echo
--echo ---> connection: wl2818_definer_con

use mysqltest_db1;

DROP TRIGGER trg1;

# Check that SUPER is required to specify different DEFINER.

--error ER_SPECIFIC_ACCESS_DENIED_ERROR
CREATE DEFINER='mysqltest_inv'@'localhost'
  TRIGGER trg1 BEFORE INSERT ON t1
  FOR EACH ROW
    SET @new_sum = 0;

--connection default
--echo
--echo ---> connection: default

use mysqltest_db1;

GRANT SUPER ON *.* TO mysqltest_dfn@localhost;

--disconnect wl2818_definer_con
--connect (wl2818_definer_con,localhost,mysqltest_dfn,,mysqltest_db1)
--connection wl2818_definer_con
--echo
--echo ---> connection: wl2818_definer_con

CREATE DEFINER='mysqltest_inv'@'localhost'
  TRIGGER trg1 BEFORE INSERT ON t1
  FOR EACH ROW
    SET @new_sum = 0;

# Create with non-existent user.

CREATE DEFINER='mysqltest_nonexs'@'localhost'
  TRIGGER trg2 AFTER INSERT ON t1
  FOR EACH ROW
    SET @new_sum = 0;

# Check that trg2 will not be activated.

--error ER_NO_SUCH_USER
INSERT INTO t1 VALUES(6);

#
# Check that SHOW TRIGGERS statement provides "Definer" column.
#

--replace_column 6 #
SHOW TRIGGERS;

DROP TRIGGER trg1;
DROP TRIGGER trg2;

#
# Cleanup
#

--connection default
--echo
--echo ---> connection: default

DROP USER mysqltest_dfn@localhost;
DROP USER mysqltest_inv@localhost;

DROP DATABASE mysqltest_db1;


###########################################################################
#
# BUG#15166: Wrong update [was: select/update] permissions required to execute
# triggers.
#
# BUG#15196: Wrong select permission required to execute triggers.
#
###########################################################################

#
# Prepare environment.
#

DELETE FROM mysql.user WHERE User LIKE 'mysqltest_%';
DELETE FROM mysql.db WHERE User LIKE 'mysqltest_%';
DELETE FROM mysql.tables_priv WHERE User LIKE 'mysqltest_%';
DELETE FROM mysql.columns_priv WHERE User LIKE 'mysqltest_%';
FLUSH PRIVILEGES;

--disable_warnings
DROP DATABASE IF EXISTS mysqltest_db1;
--enable_warnings

CREATE DATABASE mysqltest_db1;

use mysqltest_db1;

# Tables for tesing table-level privileges:
CREATE TABLE t1(col CHAR(20)); # table for "read-value" trigger
CREATE TABLE t2(col CHAR(20)); # table for "write-value" trigger

# Tables for tesing column-level privileges:
CREATE TABLE t3(col CHAR(20)); # table for "read-value" trigger
CREATE TABLE t4(col CHAR(20)); # table for "write-value" trigger

CREATE USER mysqltest_u1@localhost;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_u1@localhost;
GRANT TRIGGER ON mysqltest_db1.* TO mysqltest_u1@localhost;

SET @mysqltest_var = NULL;

--connect (bug15166_u1_con,localhost,mysqltest_u1,,mysqltest_db1)

# parsing (CREATE TRIGGER) time:
#   - check that nor SELECT either UPDATE is required to execute triggger w/o
#     NEW/OLD variables.

--connection default
--echo
--echo ---> connection: default

use mysqltest_db1;

GRANT DELETE ON mysqltest_db1.* TO mysqltest_u1@localhost;
SHOW GRANTS FOR mysqltest_u1@localhost;

--connection bug15166_u1_con
--echo
--echo ---> connection: bug15166_u1_con

use mysqltest_db1;

CREATE TRIGGER t1_trg_after_delete AFTER DELETE ON t1
  FOR EACH ROW
    SET @mysqltest_var = 'Hello, world!';

# parsing (CREATE TRIGGER) time:
#   - check that UPDATE is not enough to read the value;
#   - check that UPDATE is required to modify the value;

--connection default
--echo
--echo ---> connection: default

use mysqltest_db1;

GRANT UPDATE ON mysqltest_db1.t1 TO mysqltest_u1@localhost;
GRANT UPDATE ON mysqltest_db1.t2 TO mysqltest_u1@localhost;

GRANT UPDATE(col) ON mysqltest_db1.t3 TO mysqltest_u1@localhost;
GRANT UPDATE(col) ON mysqltest_db1.t4 TO mysqltest_u1@localhost;

--connection bug15166_u1_con
--echo
--echo ---> connection: bug15166_u1_con

use mysqltest_db1;

# - table-level privileges

# TODO: check privileges at CREATE TRIGGER time.
# --error ER_COLUMNACCESS_DENIED_ERROR
CREATE TRIGGER t1_trg_err_1 BEFORE INSERT ON t1
  FOR EACH ROW
    SET @mysqltest_var = NEW.col;
DROP TRIGGER t1_trg_err_1;

# TODO: check privileges at CREATE TRIGGER time.
# --error ER_COLUMNACCESS_DENIED_ERROR
CREATE TRIGGER t1_trg_err_2 BEFORE DELETE ON t1
  FOR EACH ROW
    SET @mysqltest_var = OLD.col;
DROP TRIGGER t1_trg_err_2;

CREATE TRIGGER t2_trg_before_insert BEFORE INSERT ON t2
  FOR EACH ROW
    SET NEW.col = 't2_trg_before_insert';

# - column-level privileges

# TODO: check privileges at CREATE TRIGGER time.
# --error ER_COLUMNACCESS_DENIED_ERROR
CREATE TRIGGER t3_trg_err_1 BEFORE INSERT ON t3
  FOR EACH ROW
    SET @mysqltest_var = NEW.col;
DROP TRIGGER t3_trg_err_1;

# TODO: check privileges at CREATE TRIGGER time.
# --error ER_COLUMNACCESS_DENIED_ERROR
CREATE TRIGGER t3_trg_err_2 BEFORE DELETE ON t3
  FOR EACH ROW
    SET @mysqltest_var = OLD.col;
DROP TRIGGER t3_trg_err_2;

CREATE TRIGGER t4_trg_before_insert BEFORE INSERT ON t4
  FOR EACH ROW
    SET NEW.col = 't4_trg_before_insert';

# parsing (CREATE TRIGGER) time:
#   - check that SELECT is required to read the value;
#   - check that SELECT is not enough to modify the value;

--connection default
--echo
--echo ---> connection: default

use mysqltest_db1;

REVOKE UPDATE ON mysqltest_db1.t1 FROM mysqltest_u1@localhost;
REVOKE UPDATE ON mysqltest_db1.t2 FROM mysqltest_u1@localhost;
GRANT SELECT ON mysqltest_db1.t1 TO mysqltest_u1@localhost;
GRANT SELECT ON mysqltest_db1.t2 TO mysqltest_u1@localhost;

REVOKE UPDATE(col) ON mysqltest_db1.t3 FROM mysqltest_u1@localhost;
REVOKE UPDATE(col) ON mysqltest_db1.t4 FROM mysqltest_u1@localhost;
GRANT SELECT(col) on mysqltest_db1.t3 TO mysqltest_u1@localhost;
GRANT SELECT(col) on mysqltest_db1.t4 TO mysqltest_u1@localhost;

--connection bug15166_u1_con
--echo
--echo ---> connection: bug15166_u1_con

use mysqltest_db1;

# - table-level privileges

CREATE TRIGGER t1_trg_after_insert AFTER INSERT ON t1
 FOR EACH ROW
  SET @mysqltest_var = NEW.col;

CREATE TRIGGER t1_trg_after_update AFTER UPDATE ON t1
 FOR EACH ROW
  SET @mysqltest_var = OLD.col;

# TODO: check privileges at CREATE TRIGGER time.
# --error ER_COLUMNACCESS_DENIED_ERROR
CREATE TRIGGER t2_trg_err_1 BEFORE UPDATE ON t2
 FOR EACH ROW
  SET NEW.col = 't2_trg_err_1';
DROP TRIGGER t2_trg_err_1;

# TODO: check privileges at CREATE TRIGGER time.
# --error ER_COLUMNACCESS_DENIED_ERROR
CREATE TRIGGER t2_trg_err_2 BEFORE UPDATE ON t2
 FOR EACH ROW
  SET NEW.col = CONCAT(OLD.col, '(updated)');
DROP TRIGGER t2_trg_err_2;

# - column-level privileges

CREATE TRIGGER t3_trg_after_insert AFTER INSERT ON t3
  FOR EACH ROW
    SET @mysqltest_var = NEW.col;

CREATE TRIGGER t3_trg_after_update AFTER UPDATE ON t3
  FOR EACH ROW
    SET @mysqltest_var = OLD.col;

# TODO: check privileges at CREATE TRIGGER time.
# --error ER_COLUMNACCESS_DENIED_ERROR
CREATE TRIGGER t4_trg_err_1 BEFORE UPDATE ON t4
 FOR EACH ROW
  SET NEW.col = 't4_trg_err_1';
DROP TRIGGER t4_trg_err_1;

# TODO: check privileges at CREATE TRIGGER time.
# --error ER_COLUMNACCESS_DENIED_ERROR
CREATE TRIGGER t4_trg_err_2 BEFORE UPDATE ON t4
 FOR EACH ROW
  SET NEW.col = CONCAT(OLD.col, '(updated)');
DROP TRIGGER t4_trg_err_2;

# execution time:
#   - check that UPDATE is not enough to read the value;
#   - check that UPDATE is required to modify the value;

--connection default
--echo
--echo ---> connection: default

use mysqltest_db1;

REVOKE SELECT ON mysqltest_db1.t1 FROM mysqltest_u1@localhost;
REVOKE SELECT ON mysqltest_db1.t2 FROM mysqltest_u1@localhost;
GRANT UPDATE ON mysqltest_db1.t1 TO mysqltest_u1@localhost;
GRANT UPDATE ON mysqltest_db1.t2 TO mysqltest_u1@localhost;

REVOKE SELECT(col) ON mysqltest_db1.t3 FROM mysqltest_u1@localhost;
REVOKE SELECT(col) ON mysqltest_db1.t4 FROM mysqltest_u1@localhost;
GRANT UPDATE(col) ON mysqltest_db1.t3 TO mysqltest_u1@localhost;
GRANT UPDATE(col) ON mysqltest_db1.t4 TO mysqltest_u1@localhost;

# - table-level privileges

--error ER_COLUMNACCESS_DENIED_ERROR
INSERT INTO t1 VALUES('line1');

SELECT * FROM t1;
SELECT @mysqltest_var;

INSERT INTO t2 VALUES('line2');

SELECT * FROM t2;

# - column-level privileges

--error ER_COLUMNACCESS_DENIED_ERROR
INSERT INTO t3 VALUES('t3_line1');

SELECT * FROM t3;
SELECT @mysqltest_var;

INSERT INTO t4 VALUES('t4_line2');

SELECT * FROM t4;

# execution time:
#   - check that SELECT is required to read the value;
#   - check that SELECT is not enough to modify the value;

--connection default
--echo
--echo ---> connection: default

use mysqltest_db1;

REVOKE UPDATE ON mysqltest_db1.t1 FROM mysqltest_u1@localhost;
REVOKE UPDATE ON mysqltest_db1.t2 FROM mysqltest_u1@localhost;
GRANT SELECT ON mysqltest_db1.t1 TO mysqltest_u1@localhost;
GRANT SELECT ON mysqltest_db1.t2 TO mysqltest_u1@localhost;

REVOKE UPDATE(col) ON mysqltest_db1.t3 FROM mysqltest_u1@localhost;
REVOKE UPDATE(col) ON mysqltest_db1.t4 FROM mysqltest_u1@localhost;
GRANT SELECT(col) ON mysqltest_db1.t3 TO mysqltest_u1@localhost;
GRANT SELECT(col) ON mysqltest_db1.t4 TO mysqltest_u1@localhost;

# - table-level privileges

INSERT INTO t1 VALUES('line3');

SELECT * FROM t1;
SELECT @mysqltest_var;

--error ER_COLUMNACCESS_DENIED_ERROR
INSERT INTO t2 VALUES('line4');

SELECT * FROM t2;

# - column-level privileges

INSERT INTO t3 VALUES('t3_line2');

SELECT * FROM t3;
SELECT @mysqltest_var;

--error ER_COLUMNACCESS_DENIED_ERROR
INSERT INTO t4 VALUES('t4_line2');

SELECT * FROM t4;

# execution time:
#   - check that nor SELECT either UPDATE is required to execute triggger w/o
#     NEW/OLD variables.

DELETE FROM t1;

SELECT @mysqltest_var;

#
# Cleanup.
#

DROP USER mysqltest_u1@localhost;

DROP DATABASE mysqltest_db1;


#
# Test for bug #14635 Accept NEW.x as INOUT parameters to stored
# procedures from within triggers
#
# We require UPDATE privilege when NEW.x passed as OUT parameter, and
# SELECT and UPDATE when NEW.x passed as INOUT parameter.
#
DELETE FROM mysql.user WHERE User LIKE 'mysqltest_%';
DELETE FROM mysql.db WHERE User LIKE 'mysqltest_%';
DELETE FROM mysql.tables_priv WHERE User LIKE 'mysqltest_%';
DELETE FROM mysql.columns_priv WHERE User LIKE 'mysqltest_%';
FLUSH PRIVILEGES;

--disable_warnings
DROP DATABASE IF EXISTS mysqltest_db1;
--enable_warnings

CREATE DATABASE mysqltest_db1;
USE mysqltest_db1;

CREATE TABLE t1 (i1 INT);
CREATE TABLE t2 (i1 INT);

CREATE USER mysqltest_dfn@localhost;
CREATE USER mysqltest_inv@localhost;

GRANT EXECUTE, CREATE ROUTINE, TRIGGER ON *.* TO mysqltest_dfn@localhost;
GRANT INSERT ON mysqltest_db1.* TO mysqltest_inv@localhost;

connect (definer,localhost,mysqltest_dfn,,mysqltest_db1);
connect (invoker,localhost,mysqltest_inv,,mysqltest_db1);

connection definer;
CREATE PROCEDURE p1(OUT i INT) DETERMINISTIC NO SQL SET i = 3;
CREATE PROCEDURE p2(INOUT i INT) DETERMINISTIC NO SQL SET i = i * 5;

# Check that having no privilege won't work.
connection definer;
CREATE TRIGGER t1_bi BEFORE INSERT ON t1 FOR EACH ROW
  CALL p1(NEW.i1);
CREATE TRIGGER t2_bi BEFORE INSERT ON t2 FOR EACH ROW
  CALL p2(NEW.i1);

connection invoker;
--error ER_COLUMNACCESS_DENIED_ERROR
INSERT INTO t1 VALUES (7);
--error ER_COLUMNACCESS_DENIED_ERROR
INSERT INTO t2 VALUES (11);

connection definer;
DROP TRIGGER t2_bi;
DROP TRIGGER t1_bi;

# Check that having only SELECT privilege is not enough.
connection default;
GRANT SELECT ON mysqltest_db1.* TO mysqltest_dfn@localhost;

connection definer;
CREATE TRIGGER t1_bi BEFORE INSERT ON t1 FOR EACH ROW
  CALL p1(NEW.i1);
CREATE TRIGGER t2_bi BEFORE INSERT ON t2 FOR EACH ROW
  CALL p2(NEW.i1);

connection invoker;
--error ER_COLUMNACCESS_DENIED_ERROR
INSERT INTO t1 VALUES (13);
--error ER_COLUMNACCESS_DENIED_ERROR
INSERT INTO t2 VALUES (17);

connection default;
REVOKE SELECT ON mysqltest_db1.* FROM mysqltest_dfn@localhost;

connection definer;
DROP TRIGGER t2_bi;
DROP TRIGGER t1_bi;

# Check that having only UPDATE privilege is enough for OUT parameter,
# but not for INOUT parameter.
connection default;
GRANT UPDATE ON mysqltest_db1.* TO mysqltest_dfn@localhost;

connection definer;
CREATE TRIGGER t1_bi BEFORE INSERT ON t1 FOR EACH ROW
  CALL p1(NEW.i1);
CREATE TRIGGER t2_bi BEFORE INSERT ON t2 FOR EACH ROW
  CALL p2(NEW.i1);

connection invoker;
INSERT INTO t1 VALUES (19);
--error ER_COLUMNACCESS_DENIED_ERROR
INSERT INTO t2 VALUES (23);

connection default;
REVOKE UPDATE ON mysqltest_db1.* FROM mysqltest_dfn@localhost;

connection definer;
DROP TRIGGER t2_bi;
DROP TRIGGER t1_bi;

# Check that having SELECT and UPDATE privileges is enough.
connection default;
GRANT SELECT, UPDATE ON mysqltest_db1.* TO mysqltest_dfn@localhost;

connection definer;
CREATE TRIGGER t1_bi BEFORE INSERT ON t1 FOR EACH ROW
  CALL p1(NEW.i1);
CREATE TRIGGER t2_bi BEFORE INSERT ON t2 FOR EACH ROW
  CALL p2(NEW.i1);

connection invoker;
INSERT INTO t1 VALUES (29);
INSERT INTO t2 VALUES (31);

connection default;
REVOKE SELECT, UPDATE ON mysqltest_db1.* FROM mysqltest_dfn@localhost;

connection definer;
DROP TRIGGER t2_bi;
DROP TRIGGER t1_bi;

connection default;
DROP PROCEDURE p2;
DROP PROCEDURE p1;

# Check that late procedure redefining won't open a security hole.
connection default;
GRANT UPDATE ON mysqltest_db1.* TO mysqltest_dfn@localhost;

connection definer;
CREATE PROCEDURE p1(OUT i INT) DETERMINISTIC NO SQL SET i = 37;
CREATE TRIGGER t1_bi BEFORE INSERT ON t1 FOR EACH ROW
  CALL p1(NEW.i1);

connection invoker;
INSERT INTO t1 VALUES (41);

connection definer;
DROP PROCEDURE p1;
CREATE PROCEDURE p1(IN i INT) DETERMINISTIC NO SQL SET @v1 = i + 43;

connection invoker;
--error ER_COLUMNACCESS_DENIED_ERROR
INSERT INTO t1 VALUES (47);

connection definer;
DROP PROCEDURE p1;
CREATE PROCEDURE p1(INOUT i INT) DETERMINISTIC NO SQL SET i = i + 51;

connection invoker;
--error ER_COLUMNACCESS_DENIED_ERROR
INSERT INTO t1 VALUES (53);

connection default;
DROP PROCEDURE p1;
REVOKE UPDATE ON mysqltest_db1.* FROM mysqltest_dfn@localhost;

connection definer;
DROP TRIGGER t1_bi;

# Cleanup.
disconnect definer;
disconnect invoker;
connection default;
DROP USER mysqltest_inv@localhost;
DROP USER mysqltest_dfn@localhost;
DROP TABLE t2;
DROP TABLE t1;
DROP DATABASE mysqltest_db1;
USE test;

--echo End of 5.0 tests.

#
# Bug#23713 LOCK TABLES + CREATE TRIGGER + FLUSH TABLES WITH READ LOCK = deadlock
#

--disable_warnings
drop table if exists t1;
--enable_warnings
create table t1 (i int);
connect (flush,localhost,root,,test,,);
connection default;
--echo connection: default
lock tables t1 write;
connection flush;
--echo connection: flush
--send flush tables with read lock;
connection default;
--echo connection: default
let $wait_condition=
  select count(*) = 1 from information_schema.processlist
  where state = "Waiting for global read lock";
--source include/wait_condition.inc
create trigger t1_bi before insert on t1 for each row begin end;
unlock tables;
connection flush;
--echo connection: flush
--reap
unlock tables;
connection default;
select * from t1;
drop table t1;
disconnect flush;

#
# Bug#45412 SHOW CREATE TRIGGER does not require privileges to disclose trigger data
#
CREATE DATABASE db1;
CREATE TABLE db1.t1 (a char(30)) ENGINE=MEMORY;
CREATE TRIGGER db1.trg AFTER INSERT ON db1.t1 FOR EACH ROW
 INSERT INTO db1.t1 VALUES('Some very sensitive data goes here');

CREATE USER 'no_rights'@'localhost';
REVOKE ALL ON *.* FROM 'no_rights'@'localhost';
FLUSH PRIVILEGES;

connect (con1,localhost,no_rights,,);
SELECT trigger_name FROM INFORMATION_SCHEMA.TRIGGERS
 WHERE trigger_schema = 'db1';
--error ER_SPECIFIC_ACCESS_DENIED_ERROR
SHOW CREATE TRIGGER db1.trg;

connection default;
disconnect con1;
DROP USER 'no_rights'@'localhost';
DROP DATABASE db1;

#
# Bug#55421 Protocol::end_statement(): Assertion `0' on multi-table UPDATE IGNORE
# To reproduce a crash we need to provoke a trigger execution with
# the following conditions:
#   - active SELECT statement during trigger execution
#    (i.e. LEX::current_select != NULL);
#   - IGNORE option (i.e. LEX::current_select->no_error == TRUE);
--disable_warnings
DROP DATABASE IF EXISTS mysqltest_db1;
--enable_warnings

CREATE DATABASE mysqltest_db1;
USE mysqltest_db1;

CREATE USER mysqltest_u1@localhost;
GRANT ALL ON mysqltest_db1.* TO mysqltest_u1@localhost;

--connect(con1,localhost,mysqltest_u1,,mysqltest_db1)

CREATE TABLE t1 (
  a1 int,
  a2 int
);
INSERT INTO t1 VALUES (1, 20);

CREATE TRIGGER mysqltest_db1.upd_t1
BEFORE UPDATE ON t1 FOR EACH ROW SET new.a2 = 200;

CREATE TABLE t2 (
  a1 int
);

INSERT INTO t2 VALUES (2);

--connection default

REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_u1@localhost;

--error ER_TABLEACCESS_DENIED_ERROR
UPDATE IGNORE t1, t2 SET t1.a1 = 2, t2.a1 = 3 WHERE t1.a1 = 1 AND t2.a1 = 2;
# Cleanup

DROP DATABASE mysqltest_db1;
DROP USER mysqltest_u1@localhost;

--disconnect con1
--connection default
USE test;

--echo End of 5.1 tests.

--echo #
--echo # WL#2284: Increase the length of a user name
--echo #

CREATE DATABASE test1;
CREATE TABLE test1.t1 (
  int_field INTEGER UNSIGNED NOT NULL,
  char_field CHAR(10),
  INDEX(`int_field`)
);

use test;

CREATE USER user_name_len_22_01234@localhost;
CREATE USER user_name_len_32_012345678901234@localhost;

REVOKE ALL PRIVILEGES, GRANT OPTION FROM user_name_len_22_01234@localhost;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM user_name_len_32_012345678901234@localhost;

--echo # Check that user_name_len_22_01234 has no SELECT permission ON t1
connect (con_user_22,localhost,user_name_len_22_01234,,test);
--error ER_TABLEACCESS_DENIED_ERROR
SELECT * FROM test1.t1;

--echo # Check that user_name_len_32_012345678901234 has no SELECT permission ON t1
connect (con_user_32,localhost,user_name_len_32_012345678901234,,test);
--error ER_TABLEACCESS_DENIED_ERROR
SELECT * FROM test1.t1;

connection default;

GRANT ALL ON test1.* TO user_name_len_32_012345678901234@localhost;

CREATE DEFINER=user_name_len_32_012345678901234@localhost
  TRIGGER test1.t1_ai AFTER INSERT ON test1.t1 FOR EACH ROW SET @a = (SELECT COUNT(*) FROM test1.t1);

GRANT INSERT ON test1.t1 TO user_name_len_22_01234@localhost;

--echo # Now user_name_len_22_01234 should be able to "SELECT" COUNT(*) FROM
--echo # test1.t1 by using the trigger

connection con_user_22;
set @a:=0;
INSERT INTO test1.t1 VALUES (1,'haha');
SELECT @a;

connection default;

--error ER_WRONG_STRING_LENGTH
CREATE DEFINER=user_name_len_33_0123456789012345@localhost
  TRIGGER test1.t1_bi BEFORE INSERT ON test1.t1 FOR EACH ROW SET @a = (SELECT COUNT(*) FROM test1.t1);

#Cleanup
DROP DATABASE test1;

DROP USER user_name_len_22_01234@localhost;
DROP USER user_name_len_32_012345678901234@localhost;

--echo #
--echo # Bug#25209512:  CURRENT_TIMESTAMP PRODUCES ZEROS IN TRIGGER
--echo #

--echo
--echo # Case 1: With BEFORE INSERT triggers
--echo # Scenario 1.1: Normal INSERT
SET TIMESTAMP= UNIX_TIMESTAMP("2017-03-30 07:07:07");
CREATE TABLE t1( a TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP );

CREATE TRIGGER trigger_for_normal_insert BEFORE INSERT ON t1 FOR EACH ROW
SET @x:= NEW.a;

INSERT INTO t1() VALUES();

SELECT * FROM t1;
--echo # Without the patch, x contained zero timestamp.
SELECT @x;

DROP TABLE t1;

--echo
--echo # Scenario 1.2: INSERT INTO... SELECT
CREATE TABLE t1(a DATETIME NOT NULL DEFAULT NOW(), b INT);

CREATE TRIGGER trigger_for_insert_select BEFORE INSERT ON t1 FOR EACH ROW
SET @x:= NEW.a;

INSERT INTO t1(b) SELECT 1;

SELECT * FROM t1;
--echo # Without the patch, x contained zero timestamp.
SELECT @x;

DROP TABLE t1;

--echo
--echo # Scenario 1.3: Normal REPLACE
CREATE TABLE t1( a TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP );

CREATE TRIGGER trigger_for_normal_replace BEFORE INSERT ON t1 FOR EACH ROW
SET @x:= NEW.a;

REPLACE INTO t1() VALUES();

SELECT * FROM t1;
--echo # Without the patch, x contained zero timestamp.
SELECT @x;

DROP TABLE t1;

--echo
--echo # Scenario 1.4: REPLACE INTO... SELECT
CREATE TABLE t1(a DATETIME NOT NULL DEFAULT NOW(), b INT);

CREATE TRIGGER trigger_for_replace_select BEFORE INSERT ON t1 FOR EACH ROW
SET @x:= NEW.a;

REPLACE INTO t1(b) SELECT 1;

SELECT * FROM t1;
--echo # Without the patch, x contained zero timestamp.
SELECT @x;

DROP TABLE t1;

--echo
--echo # Case 2: With BEFORE UPDATE triggers
--echo # Scenario 2.1: Normal UPDATE with ON UPDATE NOW() clause for
--echo #               the timestamp field.
SET TIMESTAMP= UNIX_TIMESTAMP("2017-04-11 09:09:09");
CREATE TABLE t1( a TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
                 ON UPDATE NOW(), b INT DEFAULT 1 );

CREATE TRIGGER trigger_before_update BEFORE UPDATE ON t1 FOR EACH ROW
SET @x:= NEW.a;

INSERT INTO t1 VALUES();
SELECT * FROM t1;

SET TIMESTAMP= UNIX_TIMESTAMP("2017-04-12 10:10:10");
UPDATE t1 SET b= 2;

SELECT * FROM t1;
--echo # Without the patch, x contained the old timestamp.
SELECT @x;

DROP TABLE t1;

--echo
--echo # Scenario 2.2: Normal UPDATE without ON UPDATE NOW() clause for
--echo #               the timestamp field.
SET TIMESTAMP= UNIX_TIMESTAMP("2017-04-13 08:08:08");
CREATE TABLE t1( a TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
                 b INT DEFAULT 1 );

CREATE TRIGGER trigger_before_update BEFORE UPDATE ON t1 FOR EACH ROW
SET @x:= NEW.a;

INSERT INTO t1 VALUES();
SELECT * FROM t1;

SET TIMESTAMP= UNIX_TIMESTAMP("2017-05-04 05:05:05");
UPDATE t1 SET b= 2;

SELECT * FROM t1;
--echo # x contains the old timestamp because of the absence of
--echo # ON UPDATE clause for the timestamp field.
SELECT @x;

DROP TABLE t1;

--echo
--echo # Scenario 2.3: UPDATE with join
SET TIMESTAMP= UNIX_TIMESTAMP("2017-04-25 11:11:11");
CREATE TABLE t1( a DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP
                 ON UPDATE CURRENT_TIMESTAMP, b INT);
CREATE TABLE t2( d INT);

INSERT INTO t1(b) VALUES(1);
INSERT INTO t2 VALUES(2);

SELECT * FROM t1;
SELECT * FROM t2;

CREATE TRIGGER trigger_before_update_with_join BEFORE UPDATE ON t1 FOR EACH ROW
SET @x:= NEW.a;

SET TIMESTAMP= UNIX_TIMESTAMP("2017-04-25 01:01:01");
UPDATE t1, t2 SET t1.b= t2.d;

SELECT * FROM t1;
--echo # Without the patch, x contained old timestamp
SELECT @x;

DROP TABLE t1, t2;

--echo
--echo # Case 3: LOAD DATA INFILE... with BEFORE INSERT triggers
SET TIMESTAMP= UNIX_TIMESTAMP("2017-04-17 06:06:06");
CREATE TABLE t1( a TIMESTAMP NOT NULL DEFAULT NOW(), b INT );

CREATE TRIGGER trigger_for_load_infile BEFORE INSERT ON t1 FOR EACH ROW
SET @x:= NEW.a;

SELECT 1 INTO OUTFILE 't1.dat' FROM dual;
LOAD DATA INFILE 't1.dat' INTO TABLE t1(b);

SELECT * FROM t1;
--echo # Without the patch, x contained zero timestamp
SELECT @x;

DROP TABLE t1;

let $MYSQLD_DATADIR= `select @@datadir`;
remove_file $MYSQLD_DATADIR/test/t1.dat;

SET TIMESTAMP= DEFAULT;


--echo #
--echo # BUG 26626277: BUG IN "INSERT... ON DUPLICATE KEY UPDATE" QUERY
--echo #

--echo # Setup.
CREATE TABLE t1 (fld1 VARCHAR(64) NOT NULL,
fld2 INT DEFAULT 0, PRIMARY KEY (fld1));

CREATE TABLE t2 (fld1 VARCHAR(64) NOT NULL,
fld2 INT(11) DEFAULT NULL, PRIMARY KEY (fld1));

INSERT INTO t1(fld1) VALUES (1100);
INSERT INTO t2 VALUES (1100, 40);

DELIMITER $$;

CREATE TRIGGER update_after_update
AFTER UPDATE ON t2 FOR EACH ROW
BEGIN
  UPDATE t1 SET t1.fld2 = t1.fld2 + 1
  WHERE t1.fld1 = NEW.fld1;
END$$

DELIMITER ;$$

SELECT * FROM t1;
SELECT * FROM t2;

--echo # Without patch, the after update trigger is not invoked.
INSERT INTO t2 (fld1) values (1100) ON DUPLICATE KEY UPDATE
fld2= 50;

SELECT * FROM t1;
SELECT * FROM t2;

--echo # Without patch, the after update trigger is not invoked.
INSERT INTO t2 (fld1) values (1100) ON DUPLICATE KEY UPDATE
fld2= 50;

SELECT * FROM t1;
SELECT * FROM t2;

--echo # Test added for coverage.
INSERT INTO t2 (fld1) values (1100) ON DUPLICATE KEY UPDATE
fld2= 60;

SELECT * FROM t1;
SELECT * FROM t2;

--echo # Tests covering before update trigger.

--echo # Setup.
TRUNCATE TABLE t1;
DROP TRIGGER update_after_update;
INSERT INTO t1(fld1) VALUES (1100);

DELIMITER $$;

CREATE TRIGGER update_before_update
BEFORE UPDATE ON t2 FOR EACH ROW
BEGIN
  UPDATE t1 SET t1.fld2 = t1.fld2 + 1
  WHERE t1.fld1 = NEW.fld1;
END$$

DELIMITER ;$$

SELECT * FROM t1;
SELECT * FROM t2;

INSERT INTO t2 (fld1) values (1100) ON DUPLICATE KEY UPDATE
fld2= 50;

SELECT * FROM t1;
SELECT * FROM t2;

INSERT INTO t2 (fld1) values (1100) ON DUPLICATE KEY UPDATE
fld2= 50;

SELECT * FROM t1;
SELECT * FROM t2;

INSERT INTO t2 (fld1) values (1100) ON DUPLICATE KEY UPDATE
fld2= 60;

SELECT * FROM t1;
SELECT * FROM t2;

--echo # Cleanup
DROP TRIGGER update_before_update;
DROP TABLE t1, t2;

--echo #
--echo # BUG#27544152 - TRIGGERS ARE FIRED IN INCORRECT ORDE
--echo #

CREATE TABLE t1 (a INT);
CREATE TRIGGER _AI_1 AFTER INSERT ON t1 FOR EACH ROW SET
@t1_var=concat(@t1_var,'_AI_1');
CREATE TRIGGER _AI_2 AFTER INSERT ON t1 FOR EACH ROW SET
@t1_var=concat(@t1_var,'_AI_2');
CREATE TRIGGER _BU_2 BEFORE UPDATE ON t1 FOR EACH ROW SET
@t1_var=concat(@t1_var,'_BU_2');
CREATE TRIGGER _BD_2 BEFORE DELETE ON t1 FOR EACH ROW SET
@t1_var=concat(@t1_var,'_BD_2');
CREATE TRIGGER _AI_0 AFTER INSERT ON t1 FOR EACH ROW PRECEDES _AI_1 SET
@t1_var=concat(@t1_var,'_AI_0');
CREATE TRIGGER _AI_3 AFTER INSERT ON t1 FOR EACH ROW FOLLOWS _AI_2 SET
@t1_var=concat(@t1_var,'_AI_3');

SET @t1_var='Actual Result:   ';
INSERT INTO t1 VALUES (1);
SELECT @t1_var;
--echo # Expected result : _AI_0_AI_1_AI_2_AI_3

DROP TABLE t1;


--echo #
--echo # Testing bug#28492272
--echo #
--echo # Test case 1: SET sql_mode='time_truncate_fractional';
CREATE TABLE t1 (i INT, j VARCHAR(32));
SET sql_mode='time_truncate_fractional';

--echo # CREATE TRIGGER when sql_mode is set to time_truncate_fractional must
--echo # not assert
CREATE TRIGGER t1_before_insert BEFORE INSERT ON t1 FOR EACH ROW INSERT INTO
t3 VALUES (1, NEW.i, NULL, CONCAT("BI: ", NEW.j));

SET sql_mode=default;
DROP TRIGGER t1_before_insert;
DROP TABLE t1;

--echo # Test case 2 sql_mode=2147483648*2;
--echo # (This is actually equivalent to 'time_truncate_fractional', somehow)
CREATE TABLE t1 (i INT, j VARCHAR(32));
SET sql_mode=2147483648*2;

--echo # CREATE TRIGGER when sql_mode is set to 2147483648*2 must not trigger
--echo # assert
CREATE TRIGGER t1_before_insert BEFORE INSERT ON t1 FOR EACH ROW INSERT INTO
t3 VALUES (1, NEW.i, NULL, CONCAT("BI: ", NEW.j));

SET sql_mode=default;
DROP TRIGGER t1_before_insert;
DROP TABLE t1;

--echo #
--echo # Bug#28122841 - CREATE EVENT/PROCEDURE/FUNCTION CRASHES WITH ACCENT INSENSITIVE NAMES.
--echo #                Even trigger names are case and accent insensitive. Test case to
--echo #                verify the same.
--echo #
SET NAMES utf8;

CREATE TABLE t1 (f1 INT, f2 INT);

--echo #
--echo # Test case to verify triggers with case and accent insensitive names.
--echo #
CREATE TRIGGER cafe BEFORE INSERT ON t1 FOR EACH ROW SET @sum= @sum + NEW.f1;
--echo # Following statement errors out as trigger with name 'cafe' already
--echo # exists on the table.
--error ER_TRG_ALREADY_EXISTS
CREATE TRIGGER café BEFORE INSERT ON t1 FOR EACH ROW SET @sum= @sum + NEW.f1;
--echo # Following statement is to verify operation with the upper case name.
--error ER_TRG_ALREADY_EXISTS
CREATE TRIGGER CAFE BEFORE INSERT ON t1 FOR EACH ROW SET @sum= @sum + NEW.f1;
--replace_column 2 # 3 # 4 # 5 # 6 # 7 #
SHOW CREATE TRIGGER cAfé;
DROP TRIGGER CaFé;

--echo # Trigger with NAME_LEN size name.
CREATE TRIGGER очень_очень_очень_очень_очень_очень_очень_очень_длинная_строка_e
       BEFORE INSERT ON t1 FOR EACH ROW SET @sum= @sum + NEW.f1;
--error ER_TRG_ALREADY_EXISTS
CREATE TRIGGER очень_очень_очень_очень_очень_очень_очень_очень_длинная_строка_é
       BEFORE INSERT ON t1 FOR EACH ROW SET @sum= @sum + NEW.f1;
--error ER_TRG_ALREADY_EXISTS
CREATE TRIGGER очень_очень_очень_очень_очень_очень_очень_очень_длинная_строка_E
       BEFORE INSERT ON t1 FOR EACH ROW SET @sum= @sum + NEW.f1;
--replace_column 2 # 3 # 4 # 5 # 6 # 7 #
SHOW CREATE TRIGGER очень_очень_очень_очень_очень_очень_очень_очень_длинная_строка_é;
DROP TRIGGER очень_очень_очень_очень_очень_очень_очень_очень_длинная_строка_é;

DROP TABLE t1;
SET NAMES default;