Dag H. Wanvik created DERBY-6568:
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Summary: Undocumented SET DEFAULT referential action fo ON DELETE
broken
Key: DERBY-6568
URL: https://issues.apache.org/jira/browse/DERBY-6568
Project: Derby
Issue Type: Bug
Components: SQL
Reporter: Dag H. Wanvik
Derby accepts the syntax for referential action SET DEFAULT, but it doesn't
seem to handle it right, cf. this script
{code}
ij> connect 'jdbc:derby:memory:wombat;create=true';
ij> autocommit off;
ij> create table parent(i int , j int, constraint c1 unique(i,j));
ij> create table child(i int default null, j int default 5, constraint c2
foreign key(i,j) references parent(i,j) on delete set default);
ij> insert into parent values (1,10);
ij> insert into child values (1,10);
ij> insert into child values (default, default);
ij> delete from parent;
ERROR 23503: DELETE on table 'PARENT' caused a violation of foreign key
constraint 'C2' for key (1,10). The statement has been rolled back.
ij> select * from child;
I |J
-----------------------
1 |10
NULL |5
{code}
The delete should have succeeded since the delete action is to set the defaults.
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