database function
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  1. #1
    Join Date
    Jun 2008
    Posts
    3

    database function

    I have a function as below, which is working fine.

    this function excutes a package to get all the column values for a given aid from procurementaction table and is stored in a variable l_pa
    i select one of the column like awardnbr and display the value of it

    my requirenment is in "l_pa.awardnbr", i want function to take the column name from the input parameter, instead of hardcoding the column name
    meaning it should say something like "select l_pa.p_col_name from dual"

    how do i do this

    create or replace function get_value(p_aid in number, p_col_name in varchar2) return varchar2 is
    l_pa procurementaction%ROWTYPE;
    b VARCHAR2(500);
    begin
    l_pa := ina_pkg.get_pa(p_aid);

    select l_pa.awardnbr into b from dual;

    return b;
    end;

    Thanks

  2. #2
    Join Date
    Mar 2007
    Location
    Ft. Lauderdale, FL
    Posts
    3,554
    Research Dynamic SQL and execute immediate statement.
    Pablo (Paul) Berzukov

    Author of Understanding Database Administration available at amazon and other bookstores.

    Disclaimer: Advice is provided to the best of my knowledge but no implicit or explicit warranties are provided. Since the advisor explicitly encourages testing any and all suggestions on a test non-production environment advisor should not held liable or responsible for any actions taken based on the given advice.

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