в 13:45, 26 мая 2010

2010-05-26T13:45:46Z

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2010-05-26T10:04:00Z

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== Authorize user in stored procedure==



<source lang="sql">
SQL>
SQL> CREATE TABLE EMP (EMPNO NUMBER(4) NOT NULL,
2 ENAME VARCHAR2(10),
3 JOB VARCHAR2(9),
4 MGR NUMBER(4),
5 HIREDATE DATE,
6 SAL NUMBER(7, 2),
7 COMM NUMBER(7, 2),
8 DEPTNO NUMBER(2));
Table created.
SQL>
SQL> INSERT INTO EMP VALUES (7369, "SMITH", "CLERK", 7902, TO_DATE("17-DEC-1980", "DD-MON-YYYY"), 800, NULL, 20);
1 row created.
SQL> INSERT INTO EMP VALUES (7499, "ALLEN", "SALESMAN", 7698, TO_DATE("20-FEB-1981", "DD-MON-YYYY"), 1600, 300, 30);
1 row created.
SQL> INSERT INTO EMP VALUES (7521, "WARD", "SALESMAN", 7698, TO_DATE("22-FEB-1981", "DD-MON-YYYY"), 1250, 500, 30);
1 row created.
SQL> INSERT INTO EMP VALUES (7566, "JONES", "MANAGER", 7839, TO_DATE("2-APR-1981", "DD-MON-YYYY"), 2975, NULL, 20);
1 row created.
SQL> INSERT INTO EMP VALUES (7654, "MARTIN", "SALESMAN", 7698,TO_DATE("28-SEP-1981", "DD-MON-YYYY"), 1250, 1400, 30);
1 row created.
SQL> INSERT INTO EMP VALUES (7698, "BLAKE", "MANAGER", 7839,TO_DATE("1-MAY-1981", "DD-MON-YYYY"), 2850, NULL, 30);
1 row created.
SQL> INSERT INTO EMP VALUES (7782, "CLARK", "MANAGER", 7839,TO_DATE("9-JUN-1981", "DD-MON-YYYY"), 2450, NULL, 10);
1 row created.
SQL> INSERT INTO EMP VALUES (7788, "SCOTT", "ANALYST", 7566,TO_DATE("09-DEC-1982", "DD-MON-YYYY"), 3000, NULL, 20);
1 row created.
SQL> INSERT INTO EMP VALUES (7839, "KING", "PRESIDENT", NULL,TO_DATE("17-NOV-1981", "DD-MON-YYYY"), 5000, NULL, 10);
1 row created.
SQL> INSERT INTO EMP VALUES (7844, "TURNER", "SALESMAN", 7698,TO_DATE("8-SEP-1981", "DD-MON-YYYY"), 1500, 0, 30);
1 row created.
SQL> INSERT INTO EMP VALUES (7876, "ADAMS", "CLERK", 7788,TO_DATE("12-JAN-1983", "DD-MON-YYYY"), 1100, NULL, 20);
1 row created.
SQL> INSERT INTO EMP VALUES (7900, "JAMES", "CLERK", 7698,TO_DATE("3-DEC-1981", "DD-MON-YYYY"), 950, NULL, 30);
1 row created.
SQL> INSERT INTO EMP VALUES (7902, "FORD", "ANALYST", 7566,TO_DATE("3-DEC-1981", "DD-MON-YYYY"), 3000, NULL, 20);
1 row created.
SQL> INSERT INTO EMP VALUES (7934, "MILLER", "CLERK", 7782,TO_DATE("23-JAN-1982", "DD-MON-YYYY"), 1300, NULL, 10);
1 row created.
SQL>
SQL>
SQL> create or replace function authorized_emps
2 (
3 p_schema_name in varchar2,
4 p_object_name in varchar2
5 )
6 return varchar2
7 is
8 l_deptno number;
9 l_return_val varchar2(2000);
10 begin
11 if (p_schema_name = USER) then
12 l_return_val := null;
13 else
14 select deptno
15 into l_deptno
16 from emp
17 where ename = USER;
18 l_return_val := "DEPTNO = "||l_deptno;
19 end if;
20 return l_return_val;
21 end;
22 /
Function created.
SQL> drop table emp;
Table dropped.
SQL>
SQL></source>

== Call USER to get the name of current user==



<source lang="sql">
SQL> create or replace function authorized_emps
2 (
3 p_schema_name in varchar2,
4 p_object_name in varchar2
5 )
6 return varchar2
7 is
8 l_deptno number;
9 l_return_val varchar2(2000);
10 begin
11 if (p_schema_name = USER) then
12 l_return_val := null;
13 else
14 l_return_val := sys_context("DEPT_CTX","DEPTNO_LIST");
15 end if;
16 return l_return_val;
17 end;
18 /
Function created.
SQL></source>

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Oracle PL/SQL Tutorial/SQL PLUS Session Environment/USER - История изменений

в 13:45, 26 мая 2010

Admin: 1 версия