Converting MERGE Statements into Mappings

Hello All,
I am an Oracle DBA. New to Oracle Warehouse Builder.
Now working in Oracle Warehouse Builder 10G R2.
We have merge statements which needs to be converted into Oracle Warehouse Builder Mappings.
I created mappings and process flows and deployed the same.
When i start the process flow it inserted say 150 records to the target table. But when i start the process flow again the number of records becames double.
How can i use the functionality of merge statement in this case.
Thanks,
Salih KM

Hi,
When you click on the target table, on the left side panel you will have the option to choose whether to use one of the available constraints on the target table to match on while merging.
If you do not hav any constraint defined, then choose "No Constraints". Then you have to click on each of the attribute you need to match on, and then from the left panel, select Yes for "Match while updating".
That should do it.
HTH
Mahesh

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    scmsa_handset_mobility_data_build.fn_get_subpartition_name (
    p_table_name => 'STORES_COMM_MOB_SUB_INFO',
    p_partition_name => lv_partition_name,
    p_search_string => m2.month_val);
                        DBMS_OUTPUT.PUT_LINE('The lv_subpartition_name => '||lv_subpartition_name||' and lv_partition_name=> '||lv_partition_name);
    IF lv_subpartition_name IS NULL
    THEN
                             DBMS_OUTPUT.PUT_LINE('INSIDE IF => '||m2.month_val);
    INSERT INTO STORES_COMM_MOB_SUB_INFO T1 (
    t1.ntlogin,
    t1.first_name,
    t1.last_name,
    t1.job_title,
    t1.store_id,
    t1.batch_create_dt)
    SELECT t2.ntlogin,
    t2.first_name,
    t2.last_name,
    t2.job_title,
    t2.store_id,
    t2.batch_create_dt
    FROM stores_comm_mob_sub_temp t2
    WHERE TO_CHAR (batch_create_dt, 'YYYY') = m1.orig_year_val
    AND 'M' || TO_CHAR (batch_create_dt, 'MM') =
    m2.month_val;
    ELSIF lv_subpartition_name IS NOT NULL
    THEN
                        DBMS_OUTPUT.PUT_LINE('INSIDE ELSIF => '||m2.month_val);
    MERGE INTO (SELECT *
    FROM stores_comm_mob_sub_info
    SUBPARTITION (lv_subpartition_name)) T1 --> Issue Here
    USING (SELECT *
    FROM stores_comm_mob_sub_temp
    WHERE TO_CHAR (batch_create_dt, 'YYYY') =
    m1.orig_year_val
    AND 'M' || TO_CHAR (batch_create_dt, 'MM') =
    m2.month_val) T2
    ON (T1.store_id = T2.store_id
    AND T1.ntlogin = T2.ntlogin)
    WHEN MATCHED
    THEN
    UPDATE SET
    t1.postpaid_totalqty =
    (NVL (t1.postpaid_totalqty, 0)
    + NVL (t2.postpaid_totalqty, 0)),
    t1.sales_transaction_dt =
    GREATEST (
    NVL (t1.sales_transaction_dt,
    t2.sales_transaction_dt),
    NVL (t2.sales_transaction_dt,
    t1.sales_transaction_dt)),
    t1.batch_create_dt =
    GREATEST (
    NVL (t1.batch_create_dt, t2.batch_create_dt),
    NVL (t2.batch_create_dt, t1.batch_create_dt))
    WHEN NOT MATCHED
    THEN
    INSERT (t1.ntlogin,
    t1.first_name,
    t1.last_name,
    t1.job_title,
    t1.store_id,
    t1.batch_create_dt)
    VALUES (t2.ntlogin,
    t2.first_name,
    t2.last_name,
    t2.job_title,
    t2.store_id,
    t2.batch_create_dt);
    END IF;
    END LOOP;
    END LOOP;
    COMMIT;
    end;
    Much appreciate your inputs here.
    Thanks,
    MK.
    (SORRY TO POST THE SAME QUESTION TWICE).
    Edited by: Maddy on May 23, 2013 10:20 PM

    Duplicate question

  • Error while using Merge statement

    Hi,
    Can any one please look at the merge statement and help me understand the error.Thanks in advance.
    MERGE /*+ APPEND */
    INTO intf_lpa_master m
    USING (SELECT std_district_student_id,
    std_grade_code,
    sub_test,
    test_date,
    performance_lvl_code,
    test_lang_code,
    v_student_id,
    v_test_id,
    v_lang_cd,
    v_plc,
    valid_test_date,
    -- school_year,
    -- school_id,
    valid_src_stu_id,
    test_code
    FROM intf_lpa_master_vw
    MINUS
    SELECT std_district_student_id,
    std_grade_code,
    sub_test,
    test_date,
    performance_lvl_code,
    test_lang_code,
    v_student_id,
    v_test_id,
    v_lang_cd,
    v_plc,
    valid_test_date,
    -- school_yr,
    -- school_id,
    valid_src_stu_id,
    test_code
    FROM intf_lpa_master
    WHERE active_flag = 'Y') v
    ON ( m.std_district_student_id = v.std_district_student_id
    AND m.sub_test = v.sub_test
    AND m.test_date = v.test_date)
    WHEN MATCHED
    THEN
    UPDATE SET m.std_grade_code = v.std_grade_code,
    m.performance_lvl_code = v.performance_lvl_code,
    m.test_lang_code = v.test_lang_code,
    m.active_flag = 'Y', -- if we are touching this record, it is to be active.
    m.error_message = NULL, -- refresh these, to properly reconsider records.
    m.create_date = SYSDATE,
    m.record_id = intf_lpa_master_seq.NEXTVAL,
    m.process_row = 'U',
    m.last_update_date = SYSDATE,
    m.last_update_user = 'PRE_PROCESS_LPA - UPDATE',
    -- m.job_id = c_run_id ,
    m.validation_step = NULL, -- refresh these, to properly reconsider records.
    m.v_student_id = v.v_student_id,
    m.v_test_id = v.v_test_id,
    m.v_lang_cd = v.v_lang_cd,
    m.v_plc = v.v_plc,
    m.valid_test_date = v.valid_test_date,
    -- m.school_year = v.schloo_year,
    -- m.school_id = v.school_id,
    m.valid_src_stu_id = v.valid_src_stu_id,
    m.test_code = v.test_code
    WHEN NOT MATCHED
    THEN
    INSERT (
    m.std_district_student_id,
    m.std_grade_code,
    m.sub_test,
    m.test_date,
    m.performance_lvl_code,
    m.test_lang_code,
    m.active_flag,
    m.error_message,
    m.create_date,
    m.record_id,
    m.process_row,
    m.last_update_date,
    m.last_update_user,
    -- m.job_id,
    m.validation_step,
    m.v_student_id,
    m.v_test_id,
    m.v_lang_cd,
    m.v_plc,
    m.valid_test_date,
    -- m. school_year,
    -- m. school_id,
    m.valid_src_stu_id,
    m.test_code)
    VALUES (
    v.std_district_student_id,
    v.std_grade_code,
    v.sub_test,
    v.test_date,
    v.performance_lvl_code,
    v.test_lang_code,
    'Y',
    NULL,
    SYSDATE,
    intf_lpa_master_seq.NEXTVAL,
    'I',
    SYSDATE,
    'PRE_PROCESS_LPA - INSERT',
    -- c_run_id,
    NULL,
    v.v_student_id,
    v.v_test_id,
    v.v_lang_cd,
    v.v_plc,
    v.valid_test_date,
    -- v. school_year,
    -- v. school_id,
    v.valid_src_stut_id,
    v.test_code);
    Error Message :
    ORA-06553 : PLS-306:wrong number or types of arguments in call to 'V'

    There are a couple of thngs wrong here. In the when matched insert column list, you cannot qualify the field name with the table alias. It should be just:
    insert (std_district_student_id, std_grade_code, sub_test ...)Are v_student_id, v_test_id, v_lang_cd, and v_plc really columns in the intf_lpa_master table? I am more used to seeing v_name as a variable naming convention than a column name, but I could be wrong.
    John

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