Oracle PL/SQL - procedure with array parameter - oracle

Question

I need to write an oracle procedure which will have an array of ID's as parameter.
Then I will return a cursor which contains result of select(1).
(1) - select * from table where id in(ID's)
As an option we can pass a string param and then convert string to array.
DECLARE
info sys_refcursor ;
error varchar(255);
BEGIN
package.test_function('1,2,3',info ,error);// info will contain a result cursor for select(1)
END;
Do you have other ideas?

Answer 1

You can create a user-defined collection type:
CREATE TYPE int8_list IS TABLE OF NUMBER(8,0);
Then your package:
CREATE PACKAGE pkg_name AS
PROCEDURE proc_name (
i_ids IN int8_list,
o_cursor OUT SYS_REFCURSOR
);
END;
/
CREATE PACKAGE BODY pkg_name AS
PROCEDURE proc_name (
i_ids IN int8_list,
o_cursor OUT SYS_REFCURSOR
)
IS
BEGIN
OPEN o_cursor FOR
SELECT * FROM table_name WHERE id MEMBER OF i_ids;
END;
END;
/
Then you can call the procedure:
DECLARE
v_info sys_refcursor ;
v_id TABLE_NAME.ID%TYPE;
v_value TABLE_NAME.VALUE%TYPE;
BEGIN
pkg_name.proc_name(int8_list(1,2,3), v_info);
LOOP
FETCH v_info INTO v_id, v_value;
EXIT WHEN v_info%NOTFOUND;
DBMS_OUTPUT.PUT_LINE(v_id || ' ' || v_value);
END LOOP;
END;
/
Which, for the sample data:
CREATE TABLE table_name (id, value) AS
SELECT LEVEL, CHR(64+LEVEL) FROM DUAL CONNECT BY LEVEL <= 5;
Outputs:
1 A
2 B
3 C
db<>fiddle here