Multiple error in REVOKE operator
---------------------------------
Key: CORE-5804
URL: http://tracker.firebirdsql.org/browse/CORE-5804
Project: Firebird Core
Issue Type: Bug
Affects Versions: 4.0 Alpha 1
Environment: All platforms
Reporter: Roman Simakov
A logic of rvoking options, especially for field permissions is very
complicated and wrong. Several examples:
================EXAMPLE 1====================
grant update(f1, f2) on table t to u with grant option;
commit;show grants;
/* Grant permissions for this database */
GRANT UPDATE (F1) ON T TO USER U WITH GRANT OPTION
GRANT UPDATE (F2) ON T TO USER U WITH GRANT OPTION
revoke grant option for update on table t from u;
commit;show grants;
/* Grant permissions for this database */
GRANT UPDATE (F2) ON T TO USER U
But should be:
/* Grant permissions for this database */
GRANT UPDATE (F1) ON T TO USER U
GRANT UPDATE (F2) ON T TO USER U
================EXAMPLE 2====================
grant update(f1, f2) on table t to u with grant option;
commit;show grants;
/* Grant permissions for this database */
GRANT UPDATE (F1) ON T TO USER U WITH GRANT OPTION
GRANT UPDATE (F2) ON T TO USER U WITH GRANT OPTION
revoke grant option for update(f1) on table t from u;
commit;show grants;
/* Grant permissions for this database */
GRANT UPDATE ON T TO USER U
GRANT UPDATE (F2) ON T TO USER U WITH GRANT OPTION
But should be
/* Grant permissions for this database */
GRANT UPDATE (F1) ON T TO USER U
GRANT UPDATE (F2) ON T TO USER U WITH GRANT OPTION
=====================EXAMPLE 3================
grant default r1 to role r2;
commit; show grants;
/* Grant permissions for this database */
GRANT DEFAULT R1 TO R2
revoke default r1 from role r2;-- revoke only default option
commit; show grants;
/* Grant permissions for this database */
GRANT DEFAULT R1 TO R2
But should be:
/* Grant permissions for this database */
GRANT R1 TO R2
ETC.
It's necessary to fix a logic and make a code more readable in this place.
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