[ http://issues.apache.org/jira/browse/DERBY-1589?page=all ]
Bryan Pendleton updated DERBY-1589:
-----------------------------------
Attachment: createDependency.diff
After some more testing, I think that this patch is a reasonable fix.
Attached is createDependency.diff, which changes the compiler so
that it creates a dependency from a statement with a FOREIGN KEY
clause in it to the table which is referenced by that clause. The patch
also contains a simple regression test, based on the original bug
script. derbyall passed without errors.
Please have a look and tell me what you think of this patch proposal.
> CREATE TABLE throws NullPointerException in Derby SQL Standard Authorization
> after DROPs and REVOKES
> ----------------------------------------------------------------------------------------------------
>
> Key: DERBY-1589
> URL: http://issues.apache.org/jira/browse/DERBY-1589
> Project: Derby
> Issue Type: Bug
> Components: SQL
> Affects Versions: 10.2.1.0
> Reporter: Daniel John Debrunner
> Assigned To: Bryan Pendleton
> Fix For: 10.2.1.0
>
> Attachments: createDependency.diff
>
>
> Currently, the last sql statement in following set of sql statements will
> raise a null pointer exception
> connect 'jdbc:derby:c:/dellater/dbmaintest2;create=true' user 'mamta1' as
> mamta1;
> create table t11ConstraintTest (c111 int not null, c112 int not null, primary
> key (c111, c112));
> grant references on t11ConstraintTest to mamta3;
> connect 'jdbc:derby:c:/dellater/dbmaintest2;create=true' user 'mamta3' as
> mamta3;
> drop table t31ConstraintTest;
> -- the following statement should remember that it depends on REFERENCES
> privilege on mamta1.t11ConstraintTest
> create table t31ConstraintTest (c311 int, c312 int, foreign key(c311, c312)
> references mamta1.t11ConstraintTest);
> drop table t31ConstraintTest;
> set connection mamta1;
> -- following should revoke all the privileges granted on it
> drop table t11ConstraintTest;
> create table t11ConstraintTest (c111 int not null, c112 int not null, primary
> key (c111, c112));
> grant references(c111) on t11ConstraintTest to mamta3;
> grant references(c112) on t11ConstraintTest to PUBLIC;
> --connect 'jdbc:derby:c:/dellater/dbmaintest2;create=true' user 'mamta3' as
> mamta3;
> set connection mamta3;
> drop table t31ConstraintTest;
> -- following sql should recompie itself because the earlier plan depended on
> a privilege which doesn't
> -- exist anymore. Instead, new privileges have been granted and the plan for
> following statement should depend
> -- on those new privileges
> create table t31ConstraintTest (c311 int, c312 int, foreign key(c311, c312)
> references mamta1.t11ConstraintTest);
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