Select current user tables

Hello

I need to get the list of TABLES that the current user has a privilege. To do this I use the following query:

SELECT DISTINCT O.object_name
Of object o, all_tab_privs tp
WHERE o.object_name = tp.table_name
AND o.object_type = 'TABLE '.
AND tp.grantee = USER
ORDER BY o.object_name

My problem with this query is the poor performance, and this is essential in my system.

Does anyone have any sugestion?

Why not just:

SQL > select table_name from ALL_TABLES;

The view is automatically limited to the logged in user.

and this is essential in my system.

Really? Your application is so dynamic, you need to test this when running?

Tags: Database

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    9995 pourles yinko 9995!                       9995 22 JUNE 88

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--------- ---------- ------------ ----------- ---------- ------------------------- ------
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    34. END;
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    4. 1 2 123 777 2 REMAN | A/C LINE N
    5. 1 3 123 777 1 TEST NOTES N

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 24     Dbms_Output.Put_Line ('Current_schema is: '||l_current_schema);
 25  end;
 26  /

Procedure created.

SQL> Create Procedure test_current
  2     authid Current_user as
  3     l_user           VARCHAR2(30);
  4     l_current_user   VARCHAR2(30);
  5     l_session_user   VARCHAR2(30);
  6     l_current_schema VARCHAR2(30);
  7  begin
  8     select user into l_user from dual;
  9
 10     select Sys_Context('USERENV', 'CURRENT_USER')
 11     into l_current_user
 12     from dual;
 13
 14     select Sys_Context('USERENV', 'SESSION_USER')
 15     into l_session_user
 16     from dual;
 17
 18     select Sys_Context('USERENV', 'CURRENT_SCHEMA')
 19     into l_current_schema
 20     from dual;
 21
 22     Dbms_Output.Put_Line ('User is: '||l_user);
 23     Dbms_Output.Put_Line ('Current User is: '||l_current_user);
 24     Dbms_Output.Put_Line ('Session User is: '||l_session_user);
 25     Dbms_Output.Put_Line ('Current_schema is: '||l_current_schema);
 26  end;
 27  /

Procedure created.

    Copyright being the default, test_definer procedure works with the privileges and in the schema of the user Thatcreated in this oracle of $ case ops. The test_current procedure operates in the schema of the user calling him and privileges. So if we call both in the scheme of the owner that they are actually the same:

    SQL> exec test_definer;
User is: OPS$ORACLE
Current User is: OPS$ORACLE
Session User is: OPS$ORACLE
Current_schema is: OPS$ORACLE

PL/SQL procedure successfully completed.

SQL> exec test_current;
User is: OPS$ORACLE
Current User is: OPS$ORACLE
Session User is: OPS$ORACLE
Current_schema is: OPS$ORACLE

PL/SQL procedure successfully completed.

    However, if we create a new user and give that run them both, we'll see a feel:

    SQL> create user a identified by a;

User created.

SQL> grant create session to a;

Grant succeeded.

SQL> grant execute on test_definer to a;

Grant succeeded.

SQL> grant execute on test_current to a;

Grant succeeded.

SQL> connect a/a
Connected.
SQL> exec ops$oracle.test_definer;
User is: A
Current User is: OPS$ORACLE
Session User is: A
Current_schema is: OPS$ORACLE

PL/SQL procedure successfully completed.

SQL> exec ops$oracle.test_current;
User is: A
Current User is: A
Session User is: A
Current_schema is: A

PL/SQL procedure successfully completed.

    John

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