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InnoDB: limit the recursion depth for ON (UPDATE|DELETE) CASCADE

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(Bug #4446)


innobase/row/row0ins.c:
  row_ins_foreign_check_on_constraint(): limit recursion for UPDATE too
mysql-test/r/innodb.result:
  Add test for recursion depth limit
mysql-test/t/innodb.test:
  Add test for recursion depth limit
This commit is contained in:
unknown
2004-07-15 15:46:22 +03:00
parent 9e6f619834
commit 139855210b
3 changed files with 91 additions and 13 deletions
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12
mysql-test/r/innodb.result
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@ -1259,3 +1259,15 @@ Cannot delete or update a parent row: a foreign key constraint fails
update t3 set t3.id=7 where t1.id =1 and t2.id = t1.id and t3.id = t2.id;
Unknown table 't1' in where clause
drop table t3,t2,t1;
create table t1(
id int primary key,
pid int,
index(pid),
foreign key(pid) references t1(id) on delete cascade) type=innodb;
insert into t1 values(0,0),(1,0),(2,1),(3,2),(4,3),(5,4),(6,5),(7,6),
(8,7),(9,8),(10,9),(11,10),(12,11),(13,12),(14,13),(15,14);
delete from t1 where id=0;
Cannot delete or update a parent row: a foreign key constraint fails
delete from t1 where id=15;
delete from t1 where id=0;
drop table t1;