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Thread: Using Native Dynamic SQL in PL/SQL to pass multiple parameters to the IN CLAUSE

  1. #1
    Join Date
    Feb 2003
    Posts
    2

    Using Native Dynamic SQL in PL/SQL to pass multiple parameters to the IN CLAUSE

    I am trying to replace the values in an IN Clause using Native Dynamic SQL in ORACLE (PL/SQL). For example I am trying to pass values (1,2,3....) to the IN Clause of an SQL in a Stored Procedure, as I will not know the number or paramters in the IN clause before calling the stored procedure. It could be one to 250 or even more.

    So far this is what I have....
    *********************************************************
    CREATE OR REPLACE PROCEDURE DynamicPLSQLTest (
    p_cursor_out IN OUT master.generic_type,
    p_InText IN VARCHAR2)
    IS
    BEGIN
    DECLARE
    TYPE EmpCurTyp IS REF CURSOR;
    emp_cv EmpCurTyp;
    Emp_rec abc.Employee%ROWTYPE;
    sql_stmt VARCHAR2(200);
    BEGIN
    sql_stmt := 'SELECT * FROM abc.Employee WHERE Emp_id IN (:j)';
    OPEN emp_cv FOR sql_stmt USING p_InText;
    LOOP
    FETCH emp_cv INTO Emp_rec;
    EXIT WHEN emp_cv%NOTFOUND;
    OPEN p_cursor_out FOR
    SELECT * FROM abc.Employee WHERE Emp_id = Emp_rec.Emp_id;
    END LOOP;
    CLOSE emp_cv;
    END;

    END DynamicPLSQLTest;
    *********************************************************

    The above stored proc is called using......

    *********************************************************
    set autoprint on
    variable rv refcursor
    exec DynamicPLSQLTest(:rv, '1056');
    *********************************************************

    I am trying to make it work for any number of paramteres, For example with this call..
    *********************************************************
    set autoprint on
    variable rv refcursor
    exec DynamicPLSQLTest(:rv, '1056,1059,1100,1174’);
    *********************************************************

    Thanks
    Vasant

  2. #2
    Join Date
    Nov 2000
    Location
    Pittsburgh, PA
    Posts
    4,166
    Why don't you just send in a delimited string and parse out the values with a function creating a collection? You can also just pass in a collection if you are calling this procedure from another procedure.

  3. #3
    Join Date
    Feb 2003
    Posts
    2

    Replacing date in Dynamic SQL code

    I realized that I was using the Dynamic SQL syntax for the Oracle Precompiler and not the Native Dynamic SQL.

    Here is the code that I finally used.
    ************************************************
    CREATE OR REPLACE PROCEDURE DynShowProd (
    p_from_date IN VARCHAR,
    p_to_date IN VARCHAR,
    p_cursor_out IN OUT master.generic_type)
    IS

    BEGIN

    OPEN p_cursor_out FOR
    'SELECT D_DATE FROM MSA.LOG_PROGRAMS where
    (ABC_DATE BETWEEN TO_DATE(p_from_date,''MM/DD/YYYY'') AND TO_DATE(p_to_date,''MM/DD/YYYY''))';
    END;
    /
    ***************************************************

    The probmlem with this is that this does not work unless I replace p_from_date and p_to_date with the actual dates ex. '01/02/2003' as below
    ***************************************************

    OPEN p_cursor_out FOR
    'SELECT D_DATE FROM DEF.Employee where
    (ABC_DATE BETWEEN TO_DATE('01/02/2003' ,''MM/DD/YYYY'') AND TO_DATE('01/26/2003' ,''MM/DD/YYYY''))';
    END;

    Thanks for your response.
    Vasant

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