SET sql_mode = 'NO_ENGINE_SUBSTITUTION';
create procedure populate_tables()
begin
declare n int default 20;
declare inner_loop int default 100;
create temporary table t1(c1 int not null,
c2 int not null,
c3 char(255) not null,
c4 text(6000) not null,
c5 blob(6000) not null,
c6 varchar(2000) not null,
c7 varchar(2000) not null,
c8 datetime,
c9 decimal(6,3),
primary key (c1),
index (c3,c4(50),c5(50)),
index (c2))
engine=innodb row_format=redundant charset latin1;
create temporary table t2(c1 int not null,
c2 int not null,
c3 char(255) not null,
c4 text(6000) not null,
c5 blob(6000) not null,
c6 varchar(2000) not null,
c7 varchar(2000) not null,
c8 datetime,
c9 decimal(6,3),
primary key (c1),
index (c3,c4(50),c5(50)),
index (c2))
engine=innodb row_format=compact charset latin1;
create temporary table t4(c1 int not null,
c2 int not null,
c3 char(255) not null,
c4 text(6000) not null,
c5 blob(6000) not null,
c6 varchar(2000) not null,
c7 varchar(2000) not null,
c8 datetime,
c9 decimal(6,3),
primary key (c1),
index (c3,c4(50),c5(50)),
index (c2))
engine=innodb row_format=dynamic charset latin1;
create temporary table t5(c1 int not null,
c2 int not null,
c3 char(255) not null,
c4 text(6000) not null,
c5 blob(6000) not null,
c6 varchar(2000) not null,
c7 varchar(2000) not null,
c8 datetime,
c9 decimal(6,3),
primary key (c1),
index (c3,c4(50),c5(50)),
index (c2))
engine=innodb charset latin1;
create temporary table t6 ( a int ) engine = innodb;
insert into t6 values (50),(100),(150),(190);
while (n > 0) do
start transaction;
insert into t1 values(n,n,repeat(concat(' tc3_',n),30),
repeat(concat(' tc4_',n),800),repeat(concat(' tc_',n),800),
repeat(concat(' tc6_',n),800),repeat(concat(' tc7_',n),800),
now(),(100.55+n));
insert into t2 values(n,n,repeat(concat(' tc3_',n),30),
repeat(concat(' tc4_',n),800),repeat(concat(' tc_',n),800),
repeat(concat(' tc6_',n),800),repeat(concat(' tc7_',n),800),
now(),(100.55+n));
insert into t4 values(n,n,repeat(concat(' tc3_',n),30),
repeat(concat(' tc4_',n),800),repeat(concat(' tc_',n),800),
repeat(concat(' tc6_',n),800),repeat(concat(' tc7_',n),800),
now(),(100.55+n));
insert into t5 values(n,n,repeat(concat(' tc3_',n),30),
repeat(concat(' tc4_',n),800),repeat(concat(' tc_',n),800),
repeat(concat(' tc6_',n),800),repeat(concat(' tc7_',n),800),
now(),(100.55+n));
if (n > 10) then
commit;
else
delete from t1 where c1 > 10 ;
delete from t2 where c1 > 10 ;
delete from t4 where c1 > 10 ;
delete from t5 where c1 > 10 ;
rollback;
start transaction;
update t1 set c1 = c1 + 1000 where c1 > 10;
update t2 set c1 = c1 + 1000 where c1 > 10;
update t4 set c1 = c1 + 1000 where c1 > 10;
update t5 set c1 = c1 + 1000 where c1 > 10;
rollback;
end if;
start transaction;
insert into t1 values(n+inner_loop,n+inner_loop,repeat(concat(' tc3_',n+inner_loop),30),
repeat(concat(' tc4_',n+inner_loop),800),repeat(concat(' tc_',n+inner_loop),800),
repeat(concat(' tc6_',n+inner_loop),245),repeat(concat(' tc7_',n+inner_loop),245),
now(),(100.55+n+inner_loop));
insert into t2 values(n+inner_loop,n+inner_loop,repeat(concat(' tc3_',n+inner_loop),30),
repeat(concat(' tc4_',n+inner_loop),800),repeat(concat(' tc_',n+inner_loop),800),
repeat(concat(' tc6_',n+inner_loop),245),repeat(concat(' tc7_',n+inner_loop),245),
now(),(100.55+n+inner_loop));
insert into t4 values(n+inner_loop,n+inner_loop,repeat(concat(' tc3_',n+inner_loop),30),
repeat(concat(' tc4_',n+inner_loop),800),repeat(concat(' tc_',n+inner_loop),800),
repeat(concat(' tc6_',n+inner_loop),245),repeat(concat(' tc7_',n+inner_loop),245),
now(),(100.55+n+inner_loop));
insert into t5 values(n+inner_loop,n+inner_loop,repeat(concat(' tc3_',n+inner_loop),30),
repeat(concat(' tc4_',n+inner_loop),800),repeat(concat(' tc_',n+inner_loop),800),
repeat(concat(' tc6_',n+inner_loop),245),repeat(concat(' tc7_',n+inner_loop),245),
now(),(100.55+n+inner_loop));
delete from t1 where c1 between 100 and 110;
delete from t2 where c1 between 100 and 110;
delete from t4 where c1 between 100 and 110;
delete from t5 where c1 between 100 and 110;
update t1 set c1 = c1+1 where c1>110;
update t2 set c1 = c1+1 where c1>110;
update t4 set c1 = c1+1 where c1>110;
update t5 set c1 = c1+1 where c1>110;
savepoint a;
insert into t1 values(300+n+inner_loop,n+inner_loop,repeat(concat(' tc3_',n+inner_loop),30),
repeat(concat(' tc4_',n+inner_loop),800),repeat(concat(' tc_',n+inner_loop),800),
repeat(concat(' tc6_',n+inner_loop),245),repeat(concat(' tc7_',n+inner_loop),245),
now(),(100.55+n+inner_loop));
insert into t2 values(300+n+inner_loop,n+inner_loop,repeat(concat(' tc3_',n+inner_loop),30),
repeat(concat(' tc4_',n+inner_loop),800),repeat(concat(' tc_',n+inner_loop),800),
repeat(concat(' tc6_',n+inner_loop),245),repeat(concat(' tc7_',n+inner_loop),245),
now(),(100.55+n+inner_loop));
insert into t4 values(300+n+inner_loop,n+inner_loop,repeat(concat(' tc3_',n+inner_loop),30),
repeat(concat(' tc4_',n+inner_loop),800),repeat(concat(' tc_',n+inner_loop),800),
repeat(concat(' tc6_',n+inner_loop),245),repeat(concat(' tc7_',n+inner_loop),245),
now(),(100.55+n+inner_loop));
insert into t5 values(300+n+inner_loop,n+inner_loop,repeat(concat(' tc3_',n+inner_loop),30),
repeat(concat(' tc4_',n+inner_loop),800),repeat(concat(' tc_',n+inner_loop),800),
repeat(concat(' tc6_',n+inner_loop),245),repeat(concat(' tc7_',n+inner_loop),245),
now(),(100.55+n+inner_loop));
savepoint b;
insert into t1 values(400+n+inner_loop,n+inner_loop,repeat(concat(' tc3_',n+inner_loop),30),
repeat(concat(' tc4_',n+inner_loop),800),repeat(concat(' tc_',n+inner_loop),800),
repeat(concat(' tc6_',n+inner_loop),245),repeat(concat(' tc7_',n+inner_loop),245),
now(),(100.55+n+inner_loop));
insert into t2 values(400+n+inner_loop,n+inner_loop,repeat(concat(' tc3_',n+inner_loop),30),
repeat(concat(' tc4_',n+inner_loop),800),repeat(concat(' tc_',n+inner_loop),800),
repeat(concat(' tc6_',n+inner_loop),245),repeat(concat(' tc7_',n+inner_loop),245),
now(),(100.55+n+inner_loop));
insert into t4 values(400+n+inner_loop,n+inner_loop,repeat(concat(' tc3_',n+inner_loop),30),
repeat(concat(' tc4_',n+inner_loop),800),repeat(concat(' tc_',n+inner_loop),800),
repeat(concat(' tc6_',n+inner_loop),245),repeat(concat(' tc7_',n+inner_loop),245),
now(),(100.55+n+inner_loop));
insert into t5 values(400+n+inner_loop,n+inner_loop,repeat(concat(' tc3_',n+inner_loop),30),
repeat(concat(' tc4_',n+inner_loop),800),repeat(concat(' tc_',n+inner_loop),800),
repeat(concat(' tc6_',n+inner_loop),245),repeat(concat(' tc7_',n+inner_loop),245),
now(),(100.55+n+inner_loop));
savepoint c;
rollback to b;
rollback to a;
commit;
commit;
rollback;
set n = n - 1;
end while;
end|
#---client 1 : dml operation ---"
#---client 2 : dml operation ---"
# In connection 1
select count(*) from t1;
count(*)
20
select count(*) from t2;
count(*)
20
select count(*) from t4;
count(*)
20
select count(*) from t5;
count(*)
20
select c1 from t1;
c1
11
12
13
14
15
16
17
18
19
20
122
124
126
128
130
132
134
136
138
140
select c1 from t2;
c1
11
12
13
14
15
16
17
18
19
20
122
124
126
128
130
132
134
136
138
140
select c1 from t4;
c1
11
12
13
14
15
16
17
18
19
20
122
124
126
128
130
132
134
136
138
140
select c1 from t5;
c1
11
12
13
14
15
16
17
18
19
20
122
124
126
128
130
132
134
136
138
140
# In connection 2
select count(*) from t1;
count(*)
20
select count(*) from t2;
count(*)
20
select count(*) from t4;
count(*)
20
select count(*) from t5;
count(*)
20
select c1 from t1;
c1
11
12
13
14
15
16
17
18
19
20
122
124
126
128
130
132
134
136
138
140
select c1 from t2;
c1
11
12
13
14
15
16
17
18
19
20
122
124
126
128
130
132
134
136
138
140
select c1 from t4;
c1
11
12
13
14
15
16
17
18
19
20
122
124
126
128
130
132
134
136
138
140
select c1 from t5;
c1
11
12
13
14
15
16
17
18
19
20
122
124
126
128
130
132
134
136
138
140
# In connection 1
set autocommit = 0;
insert into t1 values (20,1,'a','a','a','a','a',now(),100.55);
ERROR 23000: Duplicate entry '20' for key 't1.PRIMARY'
insert ignore into t1 values (20,1,'a','a','a','a','a',now(),100.55);
Warnings:
Warning	1062	Duplicate entry '20' for key 't1.PRIMARY'
insert into t2 values (20,1,'a','a','a','a','a',now(),100.55);
ERROR 23000: Duplicate entry '20' for key 't2.PRIMARY'
insert ignore into t2 values (20,1,'a','a','a','a','a',now(),100.55);
Warnings:
Warning	1062	Duplicate entry '20' for key 't2.PRIMARY'
insert into t4 values (20,1,'a','a','a','a','a',now(),100.55);
ERROR 23000: Duplicate entry '20' for key 't4.PRIMARY'
insert ignore into t4 values (20,1,'a','a','a','a','a',now(),100.55);
Warnings:
Warning	1062	Duplicate entry '20' for key 't4.PRIMARY'
insert into t5 values (20,1,'a','a','a','a','a',now(),100.55);
ERROR 23000: Duplicate entry '20' for key 't5.PRIMARY'
insert ignore into t5 values (20,1,'a','a','a','a','a',now(),100.55);
Warnings:
Warning	1062	Duplicate entry '20' for key 't5.PRIMARY'
insert into t1 values (1,1,'a','a','a','a','a',now(),100.55),
(20,1,'a','a','a','a','a',now(),100.55);
ERROR 23000: Duplicate entry '20' for key 't1.PRIMARY'
insert into t2 values (1,1,'a','a','a','a','a',now(),100.55),
(20,1,'a','a','a','a','a',now(),100.55);
ERROR 23000: Duplicate entry '20' for key 't2.PRIMARY'
insert into t4 values (1,1,'a','a','a','a','a',now(),100.55),
(20,1,'a','a','a','a','a',now(),100.55);
ERROR 23000: Duplicate entry '20' for key 't4.PRIMARY'
insert into t5 values (1,1,'a','a','a','a','a',now(),100.55),
(20,1,'a','a','a','a','a',now(),100.55);
ERROR 23000: Duplicate entry '20' for key 't5.PRIMARY'
set autocommit = 1;
select c1,c2 from t1 where c1 in (20,1);
c1	c2
20	20
select c1,c2 from t2 where c1 in (20,1);
c1	c2
20	20
select c1,c2 from t4 where c1 in (20,1);
c1	c2
20	20
select c1,c2 from t5 where c1 in (20,1);
c1	c2
20	20
replace into t1 values (20,1,'a','a','a','a','a',now(),100.55);
replace into t2 values (20,1,'a','a','a','a','a',now(),100.55);
replace into t4 values (20,1,'a','a','a','a','a',now(),100.55);
replace into t5 values (20,1,'a','a','a','a','a',now(),100.55);
select c1,c2,c3,c4,c5,c6,c7,c9 from t1 where c1 = 20;
c1	c2	c3	c4	c5	c6	c7	c9
20	1	a	a	a	a	a	100.550
select c1,c2,c3,c4,c5,c6,c7,c9 from t2 where c1 = 20;
c1	c2	c3	c4	c5	c6	c7	c9
20	1	a	a	a	a	a	100.550
select c1,c2,c3,c4,c5,c6,c7,c9 from t4 where c1 = 20;
c1	c2	c3	c4	c5	c6	c7	c9
20	1	a	a	a	a	a	100.550
select c1,c2,c3,c4,c5,c6,c7,c9 from t5 where c1 = 20;
c1	c2	c3	c4	c5	c6	c7	c9
20	1	a	a	a	a	a	100.550
update ignore t1 set c1 = 20 where c1 = 140 ;
Warnings:
Warning	1062	Duplicate entry '20' for key 't1.PRIMARY'
update ignore t2 set c1 = 20 where c1 = 140 ;
Warnings:
Warning	1062	Duplicate entry '20' for key 't2.PRIMARY'
update ignore t4 set c1 = 20 where c1 = 140 ;
Warnings:
Warning	1062	Duplicate entry '20' for key 't4.PRIMARY'
update ignore t5 set c1 = 20 where c1 = 140 ;
Warnings:
Warning	1062	Duplicate entry '20' for key 't5.PRIMARY'
select count(*) from t1 where c1 = 140;
count(*)
1
select count(*) from t2 where c1 = 140;
count(*)
1
select count(*) from t4 where c1 = 140;
count(*)
1
select count(*) from t5 where c1 = 140;
count(*)
1
"running select * into outfile <file> from t1 ;
create temporary table temp_1 engine = innodb as select * from t1 where 1=2;
select count(*) from temp_1;
count(*)
0
"running load data infile <file> into temp_1 ;
select count(*) from temp_1;
count(*)
20
alter table temp_1 add column c10 int default 99 ,
add column c11 varchar(100) default 'test';
alter table temp_1 add primary key (c1);
insert into temp_1 (c1,c2,c3,c4,c5,c6,c7,c8,c9) values (-1,-1,'a','a','a','a','a',now(),100.55);
select c1,c2,c3,c4,c5,c6,c7,c9,c10,c11 from temp_1 where c1 < 0;
c1	c2	c3	c4	c5	c6	c7	c9	c10	c11
-1	-1	a	a	a	a	a	100.550	99	test
select count(*) from temp_1 where c10 = 99 and c11 like 'test';
count(*)
21
insert into temp_1 (c1,c2,c3,c4,c5,c6,c7,c8,c9) values (-1,-1,'a','a','a','a','a',now(),100.55)
on duplicate  key update c1=-2,c2=-2;
select c1,c2,c3,c4,c5,c6,c7,c9,c10,c11 from temp_1 where c1 < 0;
c1	c2	c3	c4	c5	c6	c7	c9	c10	c11
-2	-2	a	a	a	a	a	100.550	99	test
drop table t1,t2,t4,t5,t6,temp_1;
drop table t1 ,t2,t4,t5,t6;
drop procedure populate_tables;
create temporary table prep_1(c1 int not null,
c2 int not null,
c3 char(255) not null,
c4 text(6000) not null,
c5 blob(6000) not null,
c6 varchar(2000) not null,
c7 varchar(2000) not null,
c8 datetime,
c9 decimal(6,3),
index (c3,c4(50),c5(50)),
index (c2))
engine=innodb;
PREPARE stm FROM "insert into prep_1 values(?,?,repeat(concat(' tc3_',?),30),repeat(concat(' tc4_',?),800),repeat(concat(' tc_',?),800),repeat(concat(' tc6_',?),245),repeat(concat(' tc7_',?),245),now(),(100.55+?))";
set @var = 5;
set @var_static = 5;
EXECUTE stm USING @var,@var,@var,@var,@var,@var,@var,@var;
EXECUTE stm USING @var_static,@var_static,@var_static,@var_static,@var_static,@var_static,@var_static,@var_static;
set @var = @var - 1;
EXECUTE stm USING @var,@var,@var,@var,@var,@var,@var,@var;
EXECUTE stm USING @var_static,@var_static,@var_static,@var_static,@var_static,@var_static,@var_static,@var_static;
set @var = @var - 1;
EXECUTE stm USING @var,@var,@var,@var,@var,@var,@var,@var;
EXECUTE stm USING @var_static,@var_static,@var_static,@var_static,@var_static,@var_static,@var_static,@var_static;
set @var = @var - 1;
EXECUTE stm USING @var,@var,@var,@var,@var,@var,@var,@var;
EXECUTE stm USING @var_static,@var_static,@var_static,@var_static,@var_static,@var_static,@var_static,@var_static;
set @var = @var - 1;
EXECUTE stm USING @var,@var,@var,@var,@var,@var,@var,@var;
EXECUTE stm USING @var_static,@var_static,@var_static,@var_static,@var_static,@var_static,@var_static,@var_static;
set @var = @var - 1;
select c1,left(c3,15) from prep_1 order by c1 ;
c1	left(c3,15)
1	 tc3_1 tc3_1 tc
2	 tc3_2 tc3_2 tc
3	 tc3_3 tc3_3 tc
4	 tc3_4 tc3_4 tc
5	 tc3_5 tc3_5 tc
5	 tc3_5 tc3_5 tc
5	 tc3_5 tc3_5 tc
5	 tc3_5 tc3_5 tc
5	 tc3_5 tc3_5 tc
5	 tc3_5 tc3_5 tc
select count(*) from prep_1;
count(*)
10
PREPARE stm_1 FROM "UPDATE prep_1 SET c1 = c1 + 1";
EXECUTE stm_1;
EXECUTE stm_1;
select c1,left(c3,15) from prep_1 order by c1 ;
c1	left(c3,15)
3	 tc3_1 tc3_1 tc
4	 tc3_2 tc3_2 tc
5	 tc3_3 tc3_3 tc
6	 tc3_4 tc3_4 tc
7	 tc3_5 tc3_5 tc
7	 tc3_5 tc3_5 tc
7	 tc3_5 tc3_5 tc
7	 tc3_5 tc3_5 tc
7	 tc3_5 tc3_5 tc
7	 tc3_5 tc3_5 tc
select count(*) from prep_1;
count(*)
10
PREPARE stm_2 FROM "DELETE FROM prep_1 ORDER BY c1 LIMIT 1";
EXECUTE stm_2;
EXECUTE stm_2;
select c1,left(c3,15) from prep_1 order by c1 ;
c1	left(c3,15)
5	 tc3_3 tc3_3 tc
6	 tc3_4 tc3_4 tc
7	 tc3_5 tc3_5 tc
7	 tc3_5 tc3_5 tc
7	 tc3_5 tc3_5 tc
7	 tc3_5 tc3_5 tc
7	 tc3_5 tc3_5 tc
7	 tc3_5 tc3_5 tc
select count(*) from prep_1;
count(*)
8
drop prepare stm;
drop prepare stm_1;
drop prepare stm_2;
drop table prep_1;