How do I hear predicates VPD-added in the context of the insert statements
Hello
I'm working on a project, where VPD will be used to separate data between users. We are on 12.1.0.2 on Windows 2012.
Now, I understand that the predicates generated by the policy_function are added for select, update, delete. But I don't understand how an additional predicate works with inserts. I also can't make it work in my little example. V $ vpd_policy I see a 0 = 1 for insertions added predicate, but inserts succeeds, contrary to my expectation.
Can someone explain this to me.
Regards Niels Jespersen
Here's how to insert can work against EVP:
(Vlad_t1) CREATE or REPLACE FUNCTION
schema_var IN VARCHAR2,
table_var in VARCHAR2
)
RETURN VARCHAR2
IS
return_val VARCHAR2 (400);
BEGIN
return_val: = 'ID = 1';<>
RETURN return_val;
END vlad_t1;
/
BEGIN
DBMS_RLS. () ADD_POLICY
object_schema-online "vlad"
object_name-online "t1,"
POLICY_NAME-online "vld_policy."
function_schema-online "sys."
policy_function-online "vlad_t1."
statement_types => ' select, insert, update, delete.
update_check-online TRUE
);
END;
/
SQL > select * from vlad.t1;
ID NAME
---------- ------------------------------
1 VLAD
1 JAX
GORO 2
3 SUB-ZERO
4 SCORPION
SQL > conn vlad/vlad
Connected.
SQL > select * from t1;
ID NAME
---------- ------------------------------<>
1 VLAD
1 JAX
SQL > update t1 set name = "OTHER_FIGHTERS";
2 lines to date.<>
SQL > select * from t1;
ID NAME
---------- ------------------------------
1 OTHER_FIGHTERS
1 OTHER_FIGHTERS
SQL > insert into t1 values (1, "KITANA");
1 line of creation.
SQL > select * from t1;
ID NAME
---------- ------------------------------
1 OTHER_FIGHTERS
1 OTHER_FIGHTERS
1 KITANA
SQL > insert into t1 values (5, "KENSHI");<>
insert into t1 values (5, "KENSHI")
*
ERROR on line 1:
ORA-28115: with check option violation policy
Tags: Database
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