So Im going trough an oracle database course and I have a homework where I have to create a procedure and "return" (I guess return) the resultset without using a refcursor, but all the examples I find make use of it.
So lets say I have this:
CREATE OR REPLACE PROCEDURE get_all_inventory() AS
BEGIN
SELECT * FROM Inventory;
END;
/
How do I make the procedure return the resultset without using refcursor?
is this even possible?
Thanks.
EDIT: If someone know a way of returning the result set in json that will be just awesome!
Aside from using JSON, you can also use collections as a return value. You have to create a package first for your procedure. Here's a sample code:
create OR REPLACE package get_all_inventory_package is
type arrayofrec is table of Inventory%rowtype index by pls_integer;
procedure get_all_inventory (o_return_variable OUT arrayofrec);
end;
/
create OR REPLACE package BODY get_all_inventory_package is
procedure get_all_inventory (o_return_variable OUT arrayofrec)is
return_variable arrayofrec;
begin
select * bulk collect into o_return_variable from Inventory;
end;
END;
/
declare
v_receiver get_all_inventory_package.arrayofrec;
begin
get_all_inventory_package.get_all_inventory(v_receiver);
for a in 1..v_receiver.count loop
dbms_output.put_line(v_receiver(a).Inventory_column);
end loop;
end;
Related
I am trying to call procedure in oracle apex but I am facing problem in displaying the output of procedure while passing the parameter as emp_id to that procedure from oracle apex. Can anyone help me?
procedure that I have written in SQL developer tool.
create or replace PROCEDURE TEST_PROC(EMP_ID1 IN Number)
As
RESULT TIMESHEET_EMPLOYEES%ROWTYPE;
BEGIN
SELECT * INTO RESULT.EMP_ID,RESULT.NAME,RESULT.LOCATION,RESULT.CITY,RESULT.COUNTRY,RESULT.EMPLOYMENT_TYPE,RESULT.EMAIL_ID,RESULT.PHONE_NUMBER,RESULT.CREATED_BY,RESULT.CREATED_ON,RESULT.UPDATED_ON,
RESULT.UPDATED_BY,RESULT.DATE_OF_JOINING,RESULT.ROLE_ID,RESULT.SUPERVISOR_ID FROM TIMESHEET_EMPLOYEES
WHERE EMP_ID=EMP_ID1;
DBMS_OUTPUT.PUT_LINE('EMP_ID:'||RESULT.EMP_ID||' '||'NAME:'||RESULT.NAME||' '||'LOCATION:'||RESULT.LOCATION||' '||'CITY:'||RESULT.CITY ||' '||'COUNTRY:'||RESULT.COUNTRY||' '||'EMPLOYMENT_TYPE:'||
RESULT.EMPLOYMENT_TYPE||' '||'EMAIL_ID:'||RESULT.EMAIL_ID||' '||'PHONE_NUMBER:'||RESULT.PHONE_NUMBER||' '||'CREATED_BY:'||RESULT.CREATED_BY||' '||'CREATED_ON:'||RESULT.CREATED_ON||' '||'UPDATED_ON:'||
RESULT.UPDATED_ON||' '||'UPDATED_BY:'||RESULT.UPDATED_BY||' '||'DATE_OF_JOINING:'||RESULT.DATE_OF_JOINING||' '||'ROLE_ID:'||RESULT.ROLE_ID||' '||'SUPERVISOR_ID:'||RESULT.SUPERVISOR_ID);
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('SQLCODE'||' '||SQLCODE);
DBMS_OUTPUT.PUT_LINE('SQLERRM'||' '||SQLERRM);
END;
herein oracle apex in PLSQL code I am trying to call that procedure but I am not able to see any output.
BEGIN
TEST_PROC(:P1_EMPID);
END;
Can someone help me as I am new to APEX???
Apex can't display result of DBMS_OUTPUT.PUT_LINE.
Two simple options you might use:
add another, OUT parameter(s) to your current procedure, or
convert this procedure to a function which returns the result as a concatenated string
Both of them should return the result into an item on the page.
For example, if it were a procedure:
create or replace PROCEDURE TEST_PROC(EMP_ID1 IN Number,
par_result out varchar2
)
is
-- ... your current code goes here; I presume it does what you wanted
-- at the end, return the result as
par_result := 'EMP_ID:'||RESULT.EMP_ID||' '||'NAME:'||RESULT.NAME || ...
end;
Call it in a process as
TEST_PROC(:P1_EMPID, :P1_RESULT);
As of code you wrote: if you declared result as %rowtype, it is simpler to insert directly into it, not into every separate piece of it. For example:
select *
into result --> this
from timesheet_employees
where emp_id = emp_id1;
i'm kind of new to Oracle Pl\SQL. I was just trying to create a simple Package with a procedure that returns a set of object id's; the code is as follows:
--Package Spec
CREATE OR REPLACE PACKAGE TEST IS
--GET OBJECT ID'S FROM CONTROL TABLE
PROCEDURE get_object_id_control(p_obj_id OUT abc_table%ROWTYPE);
END;
--Package Body
PROCEDURE get_object_id_control(p_obj_id OUT abc_table%ROWTYPE) AS
BEGIN
SELECT object_id
INTO p_obj_id
FROM abc_table
WHERE fec_proc IS NULL;
END;
I get Error: PL/SQL: ORA-00913: too many values. Is this the correct way for returning multiple values of same data type, or is there a better approach. Thanks in advance.
You can create a custom table type and set the out parameter of the procedure to that type.
CREATE TABLE ABC_TABLE(ID varchar2(100));
create or replace type abc_tab is table of varchar2(100);
/
CREATE OR REPLACE PACKAGE TEST IS
PROCEDURE get_object_id_control(p_obj_id OUT abc_tab);
END;
/
CREATE OR REPLACE PACKAGE BODY TEST IS
PROCEDURE get_object_id_control(p_obj_id OUT abc_tab) AS
BEGIN
SELECT id
bulk collect INTO p_obj_id
FROM abc_table;
END;
END;
/
Then you can call it like so:
declare
v abc_tab;
begin
TEST.get_object_id_control(p_obj_id => v);
for i in v.first..v.last loop
dbms_output.put_line(v(i));
end loop;
end;
/
Similar to GurV's answer (since he beat me by like 30 seconds...), you can use a PL/SQL object type as well. You do not need the CREATE TYPE statement if you don't need to reference the type in SQL.
--Package Spec
CREATE OR REPLACE PACKAGE TEST AS
TYPE id_table_type IS TABLE OF NUMBER;
--GET OBJECT ID'S FROM CONTROL TABLE
PROCEDURE get_object_id_control(p_obj_id_list OUT id_table_type);
END;
--Package Body
CREATE OR REPLACE PACKAGE BODY TEST AS
PROCEDURE get_object_id_control(p_obj_id_list OUT id_table_type) AS
BEGIN
SELECT object_id
BULK COLLECT INTO p_obj_id_list
FROM abc_table
WHERE fec_proc IS NULL;
END;
END;
To use it:
DECLARE
l_id_list test.id_table_type;
BEGIN
test.get_object_id_control (p_obj_id_list => l_id_list);
FOR i IN l_id_list.FIRST .. l_id_list.LAST LOOP
DBMS_OUTPUT.put_line (l_id_list (i));
END LOOP;
END;
I'm trying to convert an sql stored procedure to oracle. It's a very trivial procedure. It just returns a list of ids from a table, which is very easy to do in sql.
SQL
CREATE PROCEDURE [dbo].[tspInstalledLanguages]
AS
BEGIN
SELECT language_id from languages
END
I'm a complete novice when it comes to oracle, and I've learned that it's not as straight forward as this.
I've tried the following:
Oracle
CREATE OR REPLACE PROCEDURE tspInstalledLanguages
AS
BEGIN
SELECT LANGUAGE_ID FROM LANGUAGES;
END;
With no luck.
I get a message that it's expecting select into
It is.
Example:
DECLARE
v_authName author.author_last_name%type;
BEGIN
SELECT author_last_name
INTO v_authName
FROM author
WHERE author_key = 'A103';
dbms_output.put_line('Name: '||v_authName);
END;
/
So using your code:
CREATE OR REPLACE PROCEDURE tspInstalledLanguages
IS
v_language NUMBER;
BEGIN
SELECT LANGUAGE_ID
INTO v_language
FROM LANGUAGES;
dbms_output.put_line(v_language);
END;
/
I am having a table named employees..i want to write two functions.1st function by using refcursor it want to fetch all the rows from employess table...and the result wil be shown through 2nd function.These two functions should be in one single package
Your question shows very little industry or effort to work out a solution.
Start by reading the Oracle documentation and it'll help you immensely.
As an example of what you want to achieve:
CREATE OR REPLACE
PACKAGE ref_cur_package
AS
FUNCTION get_emp
RETURN SYS_REFCURSOR;
PROCEDURE show_emp;
END ref_cur_package;
CREATE OR REPLACE
PACKAGE BODY ref_cur_package
AS
FUNCTION get_emp
RETURN SYS_REFCURSOR
IS
emp_rc SYS_REFCURSOR;
BEGIN
OPEN emp_rc
FOR SELECT *
FROM emp;
RETURN emp_rc;
END get_emp;
PROCEDURE show_emp
IS
emp_rc SYS_REFCURSOR;
emp_row emp%ROWTYPE;
BEGIN
emp_rc := get_emp;
LOOP
FETCH emp_rc INTO emp_row;
EXIT WHEN emp_rc%NOTFOUND;
DBMS_OUTPUT.put_line('Employee: '||emp_row.firstname||' '||emp_row.lastname);
END LOOP;
CLOSE emp_rc;
END show_emp;
END ref_cur_package;
/
To see the output you'll need to set the serveroutput on.
You should also add an exception handler to force the closure of the ref cursor if there is a problem but I will leave that to you to research.
I have a stored procedure which returns a ref cursor as follows:
CREATE OR REPLACE PROCEDURE AIRS.GET_LAB_REPORT (ReportCurTyp OUT sys_refcursor)
AS
v_report_cursor sys_refcursor;
report_record v_lab_report%ROWTYPE;
l_sql VARCHAR2 (2000);
BEGIN
l_sql := 'SELECT * FROM V_LAB_REPORT';
OPEN v_report_cursor FOR l_sql;
LOOP
FETCH v_report_cursor INTO report_record;
EXIT WHEN v_report_cursor%NOTFOUND;
END LOOP;
CLOSE v_report_cursor;
END;
I want to use the output from this stored procedure in another select statement like:
SELECT * FROM GET_LAB_REPORT()
but I can't seem to get my head around the syntax.
Any ideas?
Whenever I've had to do this; I've used the Oracle TYPE and CAST features.
Something like:
SELECT *
FROM TABLE(CAST(F$get_Cassette_Tracking('8029241') AS cass_tracking_tab_type))
You need to setup the TYPE and all the columns you need and have them use:
pipe ROW(out_obj)
to capture your data. There are many ways to do this and if I can dig out a better example I will but this might give you an idea.
See this SO for a working example: Oracle Parameters with IN statement?