File: innodb_bug57255.test

package info (click to toggle)
mariadb-10.5 1%3A10.5.23-0%2Bdeb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 712,240 kB
  • sloc: ansic: 2,158,658; cpp: 1,843,101; asm: 297,745; perl: 59,967; sh: 53,869; pascal: 38,348; java: 33,919; yacc: 19,639; python: 11,119; xml: 10,126; sql: 10,027; ruby: 8,544; makefile: 6,343; cs: 2,866; lex: 1,205; javascript: 1,037; objc: 80; tcl: 73; awk: 46; php: 22; sed: 16
file content (38 lines) | stat: -rw-r--r-- 889 bytes parent folder | download | duplicates (11) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
 
--source include/have_innodb.inc
# Test Bug #57255. Cascade deletes that affect different rows should not
# result in DB_FOREIGN_EXCEED_MAX_CASCADE error


create table A(id int not null primary key) engine=innodb;

create table B(id int not null auto_increment primary key, f1 int not null, foreign key(f1) references A(id) on delete cascade) engine=innodb;

create table C(id int not null auto_increment primary key, f1 int not null, foreign key(f1) references B(id) on delete cascade) engine=innodb;

insert into A values(1), (2);

--disable_query_log
begin;
let $i=257;
while ($i)
{
insert into B(f1) values(1);
dec $i;
}
let $i=486;
while ($i)
{
insert into C(f1) values(2);
dec $i;
}
commit;
--enable_query_log

# Following Deletes should not report error
DELETE FROM A where id = 1;
DELETE FROM C where f1 = 2;
DELETE FROM A where id = 1;

DROP TABLE C;
DROP TABLE B;
DROP TABLE A;