How print/store in the ref cursor block pl/sql folder?

return to the SQL * the method I showed above:

SQL> create or replace procedure test (p_refcur out sys_refcursor)
  2  is
  3  begin
  4    open p_refcur for select * from dual union all select * from dual;
  5  end test;
  6  /

Procedure created.

SQL> var r refcursor;
SQL> begin
  2    test(:r);
  3  end;
  4  /

PL/SQL procedure successfully completed.

SQL> print r;

D
-
X
X

2 rows selected.

Tags: Database

Similar Questions

How to start the view off of the ref cursor Oracle as input/output param

Hello world
We use JDev 11.1.2.3 WL 10.3.6 and Java 7.
We are at the beginning of our transition from Oracle Forms to ADF. We have a very large forms that uses many store procedures that have IN/OUT ref Cursor parameters and tables plsql. I tried to find information on best practices to achieve, but only seemed to find tutorials on SEO of the Oracle ref Cursor return functions. I hope we don't have to rewrite our code of database to work with ADF.
This is an example of a proc currently a block on a form based on directly
The ref cursor parameter is input/output to satisfy the way the form handles this type of paradigm.
ADF we want I hope to reuse these procs existing (without the need to wrap/overload them) on the basis of the display objects.
Example:
/ * my record type which houses the information I want to go back * /.
TYPE rec_hist_vacpac_status IS RECORD)
rec_order NUMBER (5),
rec_rownum NUMBER (5),
return_column SAM_VACPAC.vacpac_status%TYPE,
rec_login_id SAM_VACPAC.ins_user%TYPE,
status_date SAM_VACPAC.status_date%TYPE
);
/ * Sets the ref cursor type * /.
TYPE lcur_hist_vacpac_status IS REF CURSOR;
/ * This is a procedure that would take some info link go / return
Return the ref cursor of this information as an in / out * /.
PROCEDURE prc_myinfo_refcur)
pnum_identify_seq_id in NUMBERS
pcur_myinfo IN OUT lcur_hist_vacpac_status);
Can anyone point me in the right direction on documentation on this?
Thank you!

Hi Cemerson:

See this example:
1. 1. create a TYPE as an object
CREATE OR REPLACE

TYPE GOTYOB_EQUI

AS AN OBJECT

(

CDELEM VARCHAR2 (50).

TIELEM VARCHAR2 (2)

);
1. 2. create a TABLE TYPE AS
CREATE OR REPLACE

TYPE GOTYTA_EQUI

AS THE GOTYOB_EQUI TABLE;
1. 3 create a function, it returns the TYPE of the TABLE
FUNCTION fn_equiposarriba)

pa_cdelem IN VARCHAR2,

pa_nucomp in NUMBERS

pa_anperi in NUMBERS

pa_meperi in NUMBERS

)

Gotyta_equi RETURN PIPELINED IS

CURSOR trae_equimani (va_cdelem VARCHAR2) IS

SELECT cdelem, tielem, cdelempadr,

(SELECT cdequi

Of evm_alim

WHERE anperi = eq.anperi

AND meperi = eq.meperi

AND nucomp = eq.nucomp

AND cdalim = eq.cdalim) cdalim

Of evm_equimani eq

WHERE anperi = pa_anperi

AND meperi = pa_meperi

AND nucomp = pa_nucomp

AND cdelem = va_cdelem

AND cdelempadr <> cdelem

AND tielem <> 'A ';

equimani trae_equimani % ROWTYPE;

va_cdalim VARCHAR2 (100);

BEGIN

-Loading los equipos aguas arriba

WHILE equimani.cdelempadr IS NOT NULL LOOP

OPEN trae_equimani (equimani.cdelempadr);

equimani: = NULL;

SEEK trae_equimani INTO equimani;

CLOSE Trae_equimani;

IF equimani.cdelem IS NOT NULL THEN

PIPE ROW (gotyob_equi (equimani.cdelem, equimani.tielem));

END IF;

END LOOP;

RETURN;

END;
1. 4 SQL Query with the help of the function... you can use this SQL in a display object
SELECT

*

Of

TABLE (gopq_eventos.fn_equiposarriba (' F-SCZ-043-103', '))

1,

2013,

6

)

)

Best regards, Marcelo

help how to extract the ref cursor in the table field
Hello.

I have a query similar to the following:
```
select department_id, cursor (select employee_id from employees where department_id = d.department_id)
  from departments d
```
Expecting to get several lines, I want this select this option to be in bulk sampled in a table variable nested (of another type of nested table) which is copied to an out parameter in a procedure. I have some doubts:
1 should. what I create the column in the inner nested table that will keep the result of the ref cursor? Ref cursor colunm? A sort of column Adrien?
2. If the column in the nested table inside that will keep the result of the ref cursor is another array, how can I write the result of the entire query in a single volume?

(I want to bulk collect everything in a single query, I know how to do with pl/sql do not inflate but using two nested for loops, that's what I try to avoid).

Thanks in advance.
It would be simpler:
```
declare
    type dep_emp_list_tbl_type
      is table of sys.OdciVarchar2List;
    v_dep_emp_list_tbl dep_emp_list_tbl_type;
    v_dep_id_tbl sys.OdciNumberList;
begin
    select  department_id, cast(multiset(select employee_id from hr.employees where department_id = d.department_id) as sys.OdciVarchar2List)
      bulk collect into v_dep_id_tbl,v_dep_emp_list_tbl
      from hr.departments d;
end;
/
```
SY.

Insert data from variables in the Ref Cursor

I do not know how to return data from ref cursor variables That's what I've tried so far...

CREATE OR REPLACE type num_obj as object (
  t_number number ,
  t_type varchar2(10) ,
  t_desc varchar2(40)
); 
CREATE OR REPLACE type num_table as table of num_obj; 

procedure get_all_data(p_p1 in varchar2, p_rc OUT SYS_REFCURSOR) is
   l_dat1 number := 2;
   l_dat2 varchar2(10);
   l_dat3 varchar2(40);
   t_num_o num_obj;
   t_num_t num_table;
begin
  for l_indx in 1..5 loop
     l_dat1 := l_dat1 + l_indx;
     if ( mod(l_dat1,2)=0) then
       l_dat2 := 'EVEN';
     else
       l_dat2 := 'ODD';
     end if;
     l_dat3 := 'Number ' || l_dat1 || ' is ' || l_dat2 || ' number'; 
     l_num_o := num_obj (l_dat1, l_dat2, l_dat3);
     l_num_t := num_table(l_num_o);
  end loop;
  open p_rc for select * from table(l_num_t);
  close p_rc;
end;

At the end, to achieve this in Ref Cursor:

t_number | t_type | t_desc
---------------------------------------
3        | ODD    | Number 3 is ODD number
5        | ODD    | Number 5 is ODD number
8        | EVEN   | Number 8 is EVEN number
12      | EVEN    | Number 12 is EVEN number
17      | ODD     | Number 17 is ODD number

Can something like that, where I did wrong?

BTW. I did this with the function in pipeline, now I want to try a different method.

The refcursor can not be closed in the procedure - you must return refcursor open to the appellant.
the appellant must read and then close it.
There are also some errors in the names of variables and an assignment to the collection.

Try this version:

CREATE OR REPLACE
PROCEDURE GET_ALL_DATA(P_P1 IN VARCHAR2, P_RC OUT SYS_REFCURSOR) IS
   l_dat1 number := 2;
   l_dat2 varchar2(10);
   L_DAT3 VARCHAR2(40);
   L_NUM_O NUM_OBJ;
   l_num_t num_table := num_table() ;
BEGIN
  for l_indx in 1..5 loop
     l_dat1 := l_dat1 + l_indx;
     if ( mod(l_dat1,2)=0) then
       l_dat2 := 'EVEN';
     else
       l_dat2 := 'ODD';
     end if;
     l_dat3 := 'Number ' || l_dat1 || ' is ' || l_dat2 || ' number';
     L_NUM_O := NUM_OBJ (L_DAT1, L_DAT2, L_DAT3);
     L_NUM_T.EXTEND;
     l_num_t( l_indx ) := l_num_o;
  end loop;
  OPEN P_RC FOR SELECT * FROM TABLE(L_NUM_T);
END;
/

SQL> variable xx refcursor
SQL> execute GET_ALL_DATA( '', :xx );

PL/SQL procedure successfully completed.

SQL> print :xx

  T_NUMBER T_TYPE     T_DESC
---------- ---------- ----------------------------------------
      3 ODD           Number 3 is ODD number
      5 ODD           Number 5 is ODD number
      8 EVEN       Number 8 is EVEN number
     12 EVEN       Number 12 is EVEN number
     17 ODD           Number 17 is ODD number

Fetch the Ref Cursor several times

create or replace 
PROCEDURE refcursor1
AS
TYPE r_cursor IS REF CURSOR;
rcv_emp r_cursor;
TYPE rec_emp IS record
(
empno NUMBER,
ename VARCHAR2(20 CHAR),
deptno number
);
recv_emp rec_emp;
recv_emp2 rec_emp;
-------------------------------------------------------
PROCEDURE printemployeedetails AS
BEGIN
  loop
  fetch rcv_emp INTO recv_emp;
  exit WHEN rcv_emp%notfound;
    dbms_output.put_line(recv_emp.empno||'-'||recv_emp.ename||'-'||recv_emp.deptno);
  END loop;
END;
-------------------------------------------------------
PROCEDURE printemployeedetails2(p_emp r_cursor) IS
BEGIN
  loop
  fetch p_emp INTO recv_emp2;
  exit WHEN p_emp%notfound;
    dbms_output.put_line(recv_emp2.empno||'-'||recv_emp2.ename||'-'||recv_emp2.deptno);
  end loop;
END;
-------------------------------------------------------
BEGIN
  FOR i IN (SELECT deptno FROM dept order by deptno)
  loop
    OPEN rcv_emp FOR SELECT empno,ename,deptno FROM emp WHERE deptno=i.deptno;
    dbms_output.put_line(i.deptno);
    dbms_output.put_line('--------------------');
    dbms_output.put_line('calling printemployeedetails');
    printemployeedetails;
    dbms_output.put_line('                    ');
    dbms_output.put_line('calling printemployeedetails2');
    dbms_output.put_line('                    ');
    printemployeedetails2(rcv_emp);
    CLOSE rcv_emp;
  END loop;
end;

Output:

10
--------------------
calling printemployeedetails
7839-KING-10
7782-CLARK-10
7934-MILLER-10
                    
calling printemployeedetails2
                    
20
--------------------
calling printemployeedetails
7566-JONES-20
7788-SCOTT-20
7902-FORD-20
7369-SMITH-20
7876-ADAMS-20
                    
calling printemployeedetails2
                    
30
--------------------
calling printemployeedetails
7698-BLAKE-30
7499-ALLEN-30
7521-WARD-30
7654-MARTIN-30
7844-TURNER-30
7900-JAMES-30
                    
calling printemployeedetails2
                    
40
--------------------
calling printemployeedetails
                    
calling printemployeedetails2

Hi all

If I open a cursor once can I collect the elements of a cursor n times as above? I see one of these procedures to print the details, but not both.

Wonder why that I'm passing same ref cursor to a second procedure.

It doesn't throw me an error indicating that the elements of the ref cursor is already read.

Thank you.

Your condition is not clear. Cursor is a pointer. He points to the result set of your query. At the time wherever you collect once, it advances the pointer to the next line and so on. I wonder if the pointer can return to the previous line once you recovered.

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Report regions - use of the Ref Cursor?

APEX 4.2
See http://mikesmithers.wordpress.com/2012/02/22/getting-apex-to-play-with-ref-cursors
The above article is older than 2 years. The techniques shown in the link above still valid today if we want to create a report region in the APEX are based on a function that returns a Ref Cursor? Are there improvements in this area for the next APEX 5.0 and/or database Oracle 12 c?
Thank you

HELEN wrote:

APEX 4.2

See http://mikesmithers.wordpress.com/2012/02/22/getting-apex-to-play-with-ref-cursors

The above article is older than 2 years. The techniques shown in the link above still valid today if we want to create a report region in the APEX are based on a function that returns a Ref Cursor?

If the function returns the ref cursor is the only point of access that you have data then Yes, it probably is. If you have direct access to the underlying database objects and the function does not have something very complicated, then you are probably better off creating your own body of the function returning SQL query data source.

Everything about the dynamics of ref Cursor now I divided in 2 layers, with a function for generating the dynamic SQL and another for bind parameters open the ref cursor. APEX apps can then reuse the functions of SQL query in function body return SQL query data sources (if you take a bit of care to keep the bind variable names vaguely APEX-point-friendly).

Are there improvements in this area for the next APEX 5.0 and/or database Oracle 12 c?

See this for the technical background on why APEX is not yet support ref Cursor and this for more information of the Oracle team on the possibility of future support. Obviously, he did not he in 4.1. I suspect that data REF CURSOR region sources depended on a minimum requirement of DB of the 11.1.0.6 (where was introduced support for the conversion of the REF CURSOR in the cursors DBMS_SQL). As minimum DB for APEX 5.0 version is 11.1.0.7, it would be a possible feature for 5.0, but it is not classified as one.

Initialize the Ref Cursor to avoid ORA-01001: Invalid cursor
Hello

I write a stored procedure that returns a REF CURSOR. However, there are times when the cursor is not open if certain conditions are not met, so I wonder if there is a way to initialize the REF CURSOR so that the appellant does not receive the "ORA-01001: Invalid cursor" error when you try to work with the cursor, if it has not been opened.

Any help is greatly appreciated...

Thank you
Christine
cad0227 wrote:
Hello

I write a stored procedure that returns a REF CURSOR. However, there are times when the cursor is not open if certain conditions are not met, so I wonder if there is a way to initialize the REF CURSOR so that the appellant does not receive the "ORA-01001: Invalid cursor" error when you try to work with the cursor, if it has not been opened.

Any help is greatly appreciated...

Thank you
Christine

The most appropriate way would be the caller to handle the situation. The caller must capture the exception of INVALID_CURSOR and do what is necessary.

Other suggestions like having a separate Pavilion or a model select all will lead the appellant to act to the particular situation, that slider is not being opened. What is the case with the exception of INVALID_CURSOR raised by oracle.

All the need for the appellant to do is manage the exception of INVALID_CURSOR and you should be good. And also INVALID_CURSOR is not a mistake, it's an exception that has a special meaning for her. In the case you sense it takes the condition when not together to return a cursor.

Retrieve the Ref cursor data
Hello

Here is the plsql code, I try to extract the data from the refcursor

Declare
number of l_ecg_id_in;
number of l_error_code_out;
l_cur_out sys_refcursor;
Begin

l_ecg_id_in: = 1249551;

-Call the procedure
pkg_dispatch.sp_getecgreport (p_ecg_id_in = > l_ecg_id_in,)
p_cur_out = > l_cur_out, / / p_cur_out is back refcursor datat
p_error_code_out = > l_error_code_out);

Now my requirement is data retrieves in l_cur_out have too many columns, the columns are mentioned below.
HUMAN RESOURCES
PR
DR
BATTERY
ETC.

I want to just HR to be extacted in a variable or a collection of type

We can extract a particular of ref cursor column, please suggest me

End;
Sudhir_Bangalore wrote:

Now my requirement is data retrieves in l_cur_out have too many columns, the columns are mentioned below.
HUMAN RESOURCES
PR
DR
BATTERY
ETC.

I want to just HR to be extacted in a variable or a collection of type

Then, you use the wrong cursor and you performance degradation because the cursor returns data that is not required.

We can extract a particular of ref cursor column, please suggest me

You can not.

Workaround would be to copy the handle of the cursor ref to a handle to the cursor DBMS_SQL and then use cursor DBMS_SQL to treat the projection of SQL. But it would be an ugly hack.

The right approach would be to correctly use the SQL cursors in PL/SQL. And no, ref Cursor in PL/SQL (created by code PL/SQL to PL/SQL code) is almost always the WRONG choice.

There are better native cursor data types in PL/SQL in particular supported cursors created by PL/SQL and PL/SQL.

REF CURSOR is provided mainly as the cursors created by PL/SQL for an external client. There are very few reasons to create Ref cursors to use PL/SQL code.

What is the difference between the ref cursor and the sys_refcursor.
create or replace procedure GetEmployeesInDept (c sys_refcursor)

Hello

I have a query related to the above stored procedures.
When you set the cursor, we mentioned as sys_refcursor and in some US sites I saw him as a REF CURSOR as shown

create or replace procedure GetEmployeesInDept (Ref Cursor c)

Please tell me what is the difference between the ref cursor and the sys_refcursor.
http://download.Oracle.com/docs/CD/B19306_01/AppDev.102/b14261/tuning.htm#sthref2376

Concerning

Etbin

Return of the ref cursor of procedure where the cursor is defined in the specification
Hello

Here's pseudo-code

create or replace package test
as
cursor c_emp (number cv_emp_id)
is
Select emp_name emp where emp_id = cv_emp_id;

type ref_c is ref cursor;

function get_emp_name (number p_emp_id) return ref_c;
end test;
/

create or replace the test physics package
as
ref_c function get_emp_name (number p_emp_id)
is
ret_val ref_c;
Start
Open c_emp (p_emp_id);
ret_val: = c_emp;
return ret_val;

end get_emp_name;
end test;
/

Returns me "PLS-00382: expression is of the wrong type. I tried to use a strongly typed Ref cursor based on the cursor, but nothing helped.

Clearly, I understand something... and if I can't assign as ' ret_val: = c_emp "and if there is another key way it so please let me know.

Thank you

Ralph

Published by: user13024707 on May 5, 2010 04:43
user13024707 wrote:
Clearly the point of my question is being missed.

Or maybe the question is not been clearly asked. ;)

I want to set the cursor in the PACKAGE SPECIFICATION, and not in the package body. The issue of the bind variable and the string is neither here nor there because I pass parameters to the cursor.

What you ask is to use a PL/SQL cursor (defined in the specifications of the package or elsewhere) and that convert a Ref Cursor. N ° cannot be done.
PL/SQL cursors should be used in the PL/SQL code. REF CURSOR is primary used to pass back a reference to a cursor (and all queries are cursors) to a layer of application outside of PL/SQL for example .net, java, etc.. Once you start using the ref Cursor only really, you have the choice of opening it based on a (dynamic) or a fixed query string as in the examples given. You cannot open a cursor of a PL/SQL cursor definition Ref.

The difference is that when you do:
```
  CURSOR cur_mycursor IS
    SELECT ...
```
you declare a cursor in pl/sql definition, not actually a slider itself. The cursor itself is created when you issue an OPENING or a statement FOR etc. So a Ref Cursor (reference to a slider) cannot refer to the definition of the cursor because it is only a definition, not a cursor (i.e. it has not been sent engine sql and instantiated at that time here). Instead the Ref Cursor must reference a cursor (query), itself, and that may be presented as a string or as the query itself that is issued against the sql engine and then the ref cursor points

Thus, slider ref and PL/SQL cursors are different concepts, both designed to manage cursors in a slightly different way of programming. You cannot mix them.

Is it possible to combine dynamic & static queries in the ref cursor?
Hi all

I was wondering if it is possible to combine dynamic & static queries in the ref-cursor?
```
CREATE OR REPLACE FUNCTION dynamic_static_kk
   RETURN sys_refcursor
AS
   o_cursor   sys_refcursor;
BEGIN
  open 'select 1 fom dual'
       union
       select 2 from dual;

   RETURN o_cursor;
END;
```
In the existing code, the two parts of the query are static, but I need to improve & replacement of part would do the trick.

So, I was wondering if it is possible to keep the static part 2. Of course, do both dynamic parts seems the only possible treatment for me.
So, I was wondering if it is possible to keep the static part 2.

No, you can't.

Of course, do both dynamic parts seems the only possible treatment for me.

Yes, it's the only way.

How print/store in the ref cursor block pl/sql folder?

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