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WTX doesnt support REFCURSOR type from Oracle DB

REFCURSORs are NOT supported by the WTX Oracle adapter.
  • Guest
  • Jan 9 2018
  • Not under consideration
DeveloperWorks ID DW_ID87358
RTC ID RTC_ID500346
Link to original RFE http://www.ibm.com/developerworks/rfe/execute?use_case=viewRfe&CR_ID=87358
  • Guest commented
    6 Dec, 2018 08:53pm

    USE CASE

    Our customer isn't able to retrieve data from Oracle Cursor defined in Packaged function.

    create or replace
    Package          ESB_TEST_TRN
    AS

    FUNCTION get_trans(ptxt_status IN NUMBER, pnum_rows IN NUMBER)
        RETURN SYS_REFCURSOR;

      esbpokusrec    x_esb_pokus%ROWTYPE;
      TYPE TableTx IS TABLE OF x_esb_pokus%ROWTYPE;
    END ESB_TEST_TRN;
    /*********************************************************************/
    create or replace
    Package Body          ESB_TEST_TRN
    AS
    FUNCTION get_trans(ptxt_status IN NUMBER, pnum_rows IN NUMBER)
       RETURN sys_refcursor
    IS
    lrcu_result  sys_refcursor;
    BEGIN

       OPEN lrcu_result FOR
         SELECT transaction_id,
                status,
                col01,
                col02,
                col03,
                col04,
                col05,
                col06,
                col07,
                col08,
                col09,
                col10,
                col11,
                col12,
                col13,
                col14,
                col15
           FROM x_esb_pokus
          WHERE status = ptxt_status
            AND rownum< pnum_rows + 1;

       RETURN lrcu_result;

    END;
    END ESB_TEST_TRN;

    In SQL we would normally select data from the Function using:
    set serveroutput on;

    declare
      v_rc sys_refcursor;
      esb_pokus_row x_esb_pokus%rowtype;
    begin
      v_rc := esb_test_trn.get_trans(1,100);
      loop
        fetch v_rc
        into  esb_pokus_row;
        exit when v_rc%notfound;
        dbms_output.put_line(esb_pokus_row.transaction_id || ' | ' || esb_pokus_row.status || ' | ' || esb_pokus_row.col01);
      end loop;
      close v_rc;
    end;

    However this isn't supported by Database Interface Designer.

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