ORA-02030问题解决方法又一例

给普通用户赋予对v$视图的查询权限，结果报 ORA-02030 错误
ORA-02030: 只能从固定的表/视图查询（ORA-02030: can only select from fixed tables/views）

问题背景:
在一个dba用户下的存储过程中需要使用v$的视图（v$client_stats）

使用命令行测试:
SQL> variable total number;
SQL> begin
2 select count（1） into :total from v$client_stats;
3 dbms_output.put_line（"total = "|| :total）;
4 end;
5 /

PL/SQL procedure successfully completed
total
---------
0

这样并没有问题，于是编辑成过程执行

使用过程
SQL> create or replace procedure p_test
2 authid current_user
3 as
4 v_all number := 9999;
5 begin
6 select count（1）
7 into v_all from v$client_stats;
8
9 dbms_output.put_line（"v_all =" ||v_all ）;
10 end;
11 /

Warning: Procedure created with compilation errors

具体错位信息
Compilation errors for PROCEDURE ZHANGBIN.P_TEST

Error: PL/SQL: ORA-00942: 表或视图不存在
Line: 9
Text: FROM v$client_stats;
Error: PL/SQL: SQL Statement ignored
Line: 7
Text: SELECT COUNT（1）

此时需要给用户赋查询权限（于是产生了ORA-02030错误）

SQL> show user;
User is "SYS"

SQL> grant select on v$client_stats to zhangbin;

grant select on v$client_stats to zhangbin

ORA-02030: 只能从固定的表/视图查询

解决方法:

SQL> select * from dba_synonyms t where t.synonym_name = "V$CLIENT_STATS";

OWNER SYNONYM_NAME TABLE_OWNER TABLE_NAME DB_LINK
------------------------------ ------------------------------ ------------------------------ ------------------------------ -----------
PUBLIC V$CLIENT_STATS SYS V_$CLIENT_STATS

SQL> grant select on V_$CLIENT_STATS to zhangbin;

Grant succeeded

切换到普通用户
SQL> show user;
User is "zhangbin"

SQL> create or replace procedure p_test
2 as
3 v_all number :=9999;
4 begin
5 select count（1）
6 into v_all
7 from v$client_stats;
8 dbms_output.put_line（"v_all =" ||v_all ）;
9 end;
10 /

Procedure created

SQL> set serveroutput on
SQL> exec p_test;

v_all =0

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