~ubuntu-branches/ubuntu/lucid/mysql-dfsg-5.1/lucid-security

# the file to be sourced from binlog.binlog_mix_innodb_myisam

#
# Bug #27417  	thd->no_trans_update.stmt lost value inside of SF-exec-stack
# bug #28960    non-trans temp table changes with insert .. select
#               not binlogged after rollback
#
# testing appearence of insert into temp_table in binlog.
# There are two branches of execution that require different setup.

# checking binlog content filled with row-based events due to
# a used stored function modifies non-transactional table

## send_eof() branch

# prepare

create temporary table tt (a int unique);
create table ti (a int) engine=innodb;
reset master;

# action

begin; 
insert into ti values (1); 
insert into ti values (2) ; 
insert into tt select * from ti;
rollback;

# check

select count(*) from tt /* 2 */;
source include/show_binlog_events.inc;
select count(*) from ti /* zero */;
insert into ti select * from tt;
select * from ti /* that is what slave would miss - bug#28960 */;


## send_error() branch
delete from ti;
delete from tt where a=1;
reset master;

# action

begin; 
insert into ti values (1); 
insert into ti values (2) /* to make the dup error in the following */; 
--error ER_DUP_ENTRY
insert into tt select * from ti /* one affected and error */;
rollback;

# check

source include/show_binlog_events.inc; # nothing in binlog with row bilog format
select count(*) from ti /* zero */;
insert into ti select * from tt;
select * from tt /* that is what otherwise slave missed - the bug */;

drop table ti;


#
# Bug #27417 thd->no_trans_update.stmt lost value inside of SF-exec-stack
#
# Testing asserts: if there is a side effect of modifying non-transactional
# table thd->no_trans_update.stmt must be TRUE;
# the assert is active with debug build
#

--disable_warnings
drop function if exists bug27417;
drop table if exists t1,t2;
--enable_warnings
# side effect table
CREATE TABLE t1 (a int NOT NULL auto_increment primary key) ENGINE=MyISAM;
# target tables
CREATE TABLE t2 (a int NOT NULL auto_increment, PRIMARY KEY (a));

delimiter |;
create function bug27417(n int) 
RETURNS int(11)
begin
  insert into t1 values (null);
  return n;
end|
delimiter ;|

reset master;

# execute

insert into t2 values (bug27417(1));
insert into t2 select bug27417(2);
reset master;

--error ER_DUP_ENTRY
insert into t2 values (bug27417(2));
source include/show_binlog_events.inc; #only (!) with fixes for #23333 will show there is the query
select count(*) from t1 /* must be 3 */;

reset master;
select count(*) from t2;
delete from t2 where a=bug27417(3);
select count(*) from t2 /* nothing got deleted */; 
source include/show_binlog_events.inc; # the query must be in regardless of #23333
select count(*) from t1 /* must be 5 */;

--enable_info
delete t2 from t2 where t2.a=bug27417(100) /* must not affect t2 */;
--disable_info
select count(*) from t1 /* must be 7 */;

# function bug27417 remains for the following testing of bug#23333
drop table t1,t2;

#
# Bug#23333 using the patch (and the test) for bug#27471
# throughout the bug tests 
# t1 - non-trans side effects gatherer;
# t2 - transactional table;
#
CREATE TABLE t1 (a int  NOT NULL auto_increment primary key) ENGINE=MyISAM;
CREATE TABLE t2 (a int, PRIMARY KEY (a)) ENGINE=InnoDB;
CREATE TABLE t3 (a int, PRIMARY KEY (a), b int unique) ENGINE=MyISAM;
CREATE TABLE t4 (a int, PRIMARY KEY (a), b int unique) ENGINE=Innodb;
CREATE TABLE t5 (a int, PRIMARY KEY (a)) ENGINE=InnoDB;


#
# INSERT
#

# prepare
  
 insert into t2 values (1);
 reset master;

# execute

 --error ER_DUP_ENTRY
 insert into t2 values (bug27417(1)); 
  
# check

 source include/show_binlog_events.inc; # must be event of the query
 select count(*) from t1 /* must be 1 */;

#
# INSERT SELECT
#

# prepare
 delete from t1;
 delete from t2;
 insert into t2 values (2);
 reset master;

# execute

 --error ER_DUP_ENTRY
 insert into t2 select bug27417(1) union select bug27417(2); 
  
# check

 source include/show_binlog_events.inc; # must be events of the query
 select count(*) from t1 /* must be 2 */;

#
# UPDATE inc multi-update
#

# prepare
 delete from t1;
 insert into t3 values (1,1),(2,3),(3,4);
 reset master;

# execute
 --error ER_DUP_ENTRY
 update t3 set b=b+bug27417(1);

# check
 source include/show_binlog_events.inc; # must be events of the query
 select count(*) from t1 /* must be 2 */;

## multi_update::send_eof() branch

# prepare
 delete from t3;
 delete from t4;
 insert into t3 values (1,1);
 insert into t4 values (1,1),(2,2);

 reset master;

# execute
 --error ER_DUP_ENTRY
 UPDATE t4,t3 SET t4.a=t3.a + bug27417(1) /* top level non-ta table */;

# check
 source include/show_binlog_events.inc; # the offset must denote there is the query
 select count(*) from t1 /* must be 4 */;

## send_error() branch of multi_update

# prepare
 delete from t1;
 delete from t3;
 delete from t4;
 insert into t3 values (1,1),(2,2);
 insert into t4 values (1,1),(2,2);

 reset master;

# execute
 --error ER_DUP_ENTRY
 UPDATE t3,t4 SET t3.a = t4.a + bug27417(1) where t3.a = 1;

# check
 select count(*) from t1 /* must be 1 */;

# cleanup
 drop table t4;


#
# DELETE incl multi-delete
#

# prepare
 delete from t1;
 delete from t2;
 delete from t3;
 insert into t2 values (1);
 insert into t3 values (1,1);
 create trigger trg_del before delete on t2 for each row 
   insert into t3 values (bug27417(1), 2);
 reset master;

# execute
 --error ER_DUP_ENTRY
 delete from t2;
# check
 source include/show_binlog_events.inc; # the offset must denote there is the query
 select count(*) from t1 /* must be 1 */;

# cleanup
 drop trigger trg_del;

# prepare
 delete from t1;
 delete from t2;
 delete from t5;
 create trigger trg_del_t2 after  delete on t2 for each row
   insert into t1 values (1);
 insert into t2 values (2),(3);
 insert into t5 values (1),(2);
 reset master;

# execute
 --error ER_DUP_ENTRY
 delete t2.* from t2,t5 where t2.a=t5.a + 1;

# check
 source include/show_binlog_events.inc; # must be events of the query
 select count(*) from t1 /* must be 1 */;


#
# LOAD DATA
#

# prepare
 delete from t1;
 create table t4 (a int default 0, b int primary key) engine=innodb;
 insert into t4 values (0, 17);
 reset master;

# execute
 --error ER_DUP_ENTRY
 load data infile '../../std_data/rpl_loaddata.dat' into table t4 (a, @b) set b= @b + bug27417(2);
# check
 select * from t4;
 select count(*) from t1 /* must be 2 */;
 source include/show_binlog_events.inc; # must be events of the query

#
# bug#23333 cleanup
#


drop trigger trg_del_t2;
drop table t1,t2,t3,t4,t5;
drop function bug27417;