Is it possible to fill a table with the result of the active query?

I try to get the content of the cursor c in the ap variable and the code I use is as follows:

BEGIN
DECLARE
TYPE cur_typ IS REF CURSOR;
c cur_typ;
query_str VARCHAR2 (1000);
work VARCHAR2 (1000);
AP varchar2 (30000);
to the varchar2 (30000);
query varchar2 (30000);
BEGIN
query_str: = ' select ent_cod, ent_nom from grh_funcionarios where rownum < 10';
query: = 'CURSOR c IS' |' select ent_cod, ent_nom from grh_funcionarios where rownum < 10';
IMMEDIATE EXECUTION of the query;

C OPEN FOR query_str;
for ap loop query_str
LOOP
Fetch c ap;
EXIT WHEN c % NOTFOUND;
DBMS_OUTPUT. Put_line(àles);
END LOOP;
C CLOSE;
END;
END;

I'll show you a basic approach to the dynamic approach refcursor. But you have to do a lot of work in order to customize it to your needs.

Here is a demonstration of basic->

satyaki>
satyaki>select * from v$version;

BANNER
----------------------------------------------------------------
Oracle Database 10g Enterprise Edition Release 10.2.0.3.0 - Prod
PL/SQL Release 10.2.0.3.0 - Production
CORE    10.2.0.3.0      Production
TNS for 32-bit Windows: Version 10.2.0.3.0 - Production
NLSRTL Version 10.2.0.3.0 - Production

Elapsed: 00:00:00.22
satyaki>
satyaki>
satyaki>DECLARE
  2     str         VARCHAR2 (30000);
  3
  4     cursor c1
  5     is
  6       select column_name
  7       from all_tab_columns
  8       where table_name = upper('&tab_nm')
  9       and   column_name = 'ENAME';
 10
 11     r1 c1%rowtype;
 12  BEGIN
 13     str := ' declare '||
 14            '   TYPE cur_typ IS ref cursor; '||
 15            '   c           cur_typ; '||
 16            '   query_str   VARCHAR2 (1000); '||
 17            '   gen_rec '||upper('&tab_nam')||'%rowtype; '||
 18            ' begin '||
 19            '  query_str := '||chr(39)||'select * from emp where rownum < 10'||chr(39)||'; '||
 20            '  OPEN c FOR query_str; '||
 21            '  LOOP '||
 22            '    FETCH c INTO gen_rec; '||
 23            '     EXIT WHEN c%NOTFOUND; ';
 24            for r1 in c1
 25            loop
 26      str := str||'   DBMS_OUTPUT.put_line (gen_rec.'||r1.column_name||'); ';
 27            end loop;
 28      str := str||'  END LOOP; '||
 29            '  CLOSE c; '||
 30            ' end; ';
 31
 32     execute immediate(str);
 33     --dbms_output.put_line(str);
 34  END;
 35  /
Enter value for tab_nm: emp
old   8:      where table_name = upper('&tab_nm')
new   8:      where table_name = upper('emp')
Enter value for tab_nam: emp
old  17:           '   gen_rec '||upper('&tab_nam')||'%rowtype; '||
new  17:           '   gen_rec '||upper('emp')||'%rowtype; '||
SATYAKI
SOURAV
WARD
JONES
MARTIN
BLAKE
CLARK
SCOTT
KING

PL/SQL procedure successfully completed.

Elapsed: 00:00:00.16

Hope this will give you a basic idea.

Kind regards.

LOULOU.

Tags: Database

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