Read & Modify the table view data

Dear Experts,
CRM 7.0
I've added few extra custom fields to the table view through Workbench enhancment as AET does not work for my object type. Now, I would like to read the current table entries and accordingly i should fill the other columns. I am not sure how can I proceed. Please advise me asap.
Many thanks in advance.

Hi,
Yes I guess you can do it in DO_PREPARE_OUTPUT.
Use below code to read values from table:
DATA:      lv_wrapper         TYPE REF TO cl_bsp_wd_collection_wrapper,
        lr_entity          TYPE REF TO cl_crm_bol_entity,
     lv_attribute         type string,
     LV_ATTRIBUTE_VALUE type string
TRY.
      lv_wrapper = me->typed_context->ZCONTEXTNODENAME->get_collection_wrapper( ). " Here you will get all values from table into lv_wrapper
      CHECK lv_wrapper IS BOUND.
      lr_entity ?= lv_wrapper->get_first( ). " Loop at table
      WHILE lr_entity IS BOUND.
        lv_attribute ?= lr_entity->get_property_as_string( 'ATTRIBUTE NAME' ). " TO read perticular attribute
*OR as per your requirement you can change the value. Here you can write your logic...
     lr_entity->set_property_as_string( iv_attr_name = 'ATTRIBUTE NAME' iv_value = LV_ATTRIBUTE_VALUE ). " Change attribute property
      lr_entity ?= lv_wrapper->get_next( ).
     ENDWHILE.
    CATCH cx_root.
      RETURN.
ENDTRY.
Please let me know if it helps.
Regards,
Bhushan

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CREATE OR REPLACE PROCEDURE DWARE.P_CSCV_AGR_MONTH_REVENUE
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         TOTAL_6,
         TOTAL_7,
         TOTAL_8,
         TOTAL_9,
         TOTAL_10,
         TOTAL_11
        FROM
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              month_sub,
              codpromoter,
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              0 total_2,
              0 total_3,
              0 total_4,
              0 total_5,
              0 total_6,
              0 total_7,
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              0 total_9,
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BEGIN
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Error at line 1
ORA-06550: líne 2, column 32:
PLS-00357: The reference to the table, view or sequence 'CSCV_AGR_MONTH_REVENUE' is not allowed in this context
ORA-06550: líne 2, column 1:
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Thanks in advance...

Hi,
Your procedure's signature is
CREATE OR REPLACE PROCEDURE DWARE.P_CSCV_AGR_MONTH_REVENUE
TBL_NAME VARCHAR2,
START_DATE DATE,
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