--表名，字段名，条件，三个参数，返回结果集的函数或者存储过程，怎么写？？
create table emp 
(empno number(4) constraint EMP_pk primary key, 
ename varchar2(9), 
job varchar2(9), 
mgr number(4), 
sal number(7,2), 
comm number(7,2)
); 


insert into emp(empno,ename,job,mgr,sal,COMM) values(7369,'smith','clerk',7902,800,20); 
 
insert into emp(empno,ename,job,mgr,sal,COMM) values(7499,'allen','salseman',7698,1600,300); 
 
insert into emp(empno,ename,job,mgr,sal,COMM) values(7521,'WARD','salseman',7698,1250,500); 
 
insert into emp(empno,ename,job,mgr,sal,COMM) values(7566,'JONES','MANAGER',7839,2975,20); 
 
insert into emp(empno,ename,job,mgr,sal,COMM) values(7645,'MARTIN','SALESMAN',7698,1250,1400); 
 
insert into emp(empno,ename,job,mgr,sal,COMM) values(7698,'BLACK','MANAGER',7839,2850,20); 
 
insert into emp(empno,ename,job,mgr,sal,COMM) values(7844,'URNER','SALESMAN',7698,1500,0);
--TABLE_NAME= emp 
--COLUMN_NAME=job
--FILTER= 1=1
--这样的这三个参数传入应该输出全部的job字段数据的

create or replace procedure sp_chk_data_test
(
  Result out varchar2,
  Table_name  in varchar2,
  Column_name in varchar2,
  Filter_value in varchar2
  )
is
V_SQL varchar2(2000);

BEGIN
   
  --V_SQL = 'select '||NVL(COLUMN_NAME,'*')||' FROM '||TABLE_NAME||' WHERE '||NVL('||Filter_value||',''1=1'');
  V_SQL := 'insert into temp_a SELECT ENAME FROM EMP ';
  EXECUTE IMMEDIATE V_SQL;
  for my_cur in ( SELECT ename FROM temp_a ) loop

    RESULT := RESULT|| my_cur.ENAME || ',' ;
  end loop;

end sp_chk_data_test;