ABAP Select data from SAP table UKM_POWL_BOL_WDEVENT_DATA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP UKM_POWL_BOL_WDEVENT_DATA table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to UKM_POWL_BOL_WDEVENT_DATA. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the UKM_POWL_BOL_WDEVENT_DATA table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_UKM_POWL_BOL_WDEVENT_DATA TYPE STANDARD TABLE OF UKM_POWL_BOL_WDEVENT_DATA,
      WA_UKM_POWL_BOL_WDEVENT_DATA TYPE UKM_POWL_BOL_WDEVENT_DATA,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <UKM_POWL_BOL_WDEVENT_DATA> TYPE UKM_POWL_BOL_WDEVENT_DATA.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_UKM_POWL_BOL_WDEVENT_DATA.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM UKM_POWL_BOL_WDEVENT_DATA
  INTO TABLE IT_UKM_POWL_BOL_WDEVENT_DATA.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM UKM_POWL_BOL_WDEVENT_DATA
*  INTO TABLE @DATA(IT_UKM_POWL_BOL_WDEVENT_DATA2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_UKM_POWL_BOL_WDEVENT_DATA INDEX 1 INTO DATA(WA_UKM_POWL_BOL_WDEVENT_DATA2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_UKM_POWL_BOL_WDEVENT_DATA ASSIGNING <UKM_POWL_BOL_WDEVENT_DATA>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<UKM_POWL_BOL_WDEVENT_DATA>-ACTIONID = 1.
<UKM_POWL_BOL_WDEVENT_DATA>-SELECTED_DATA = 1.
<UKM_POWL_BOL_WDEVENT_DATA>-SELECTED_IDX = 1.
<UKM_POWL_BOL_WDEVENT_DATA>-TABIX = 1.
<UKM_POWL_BOL_WDEVENT_DATA>-LINE_DETAIL = 1.

ENDLOOP.

LOOP AT IT_UKM_POWL_BOL_WDEVENT_DATA INTO WA_UKM_POWL_BOL_WDEVENT_DATA.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_UKM_POWL_BOL_WDEVENT_DATA-BP_NAME, sy-vline,
  WA_UKM_POWL_BOL_WDEVENT_DATA-STREET_HOUSE_NO, sy-vline,
  WA_UKM_POWL_BOL_WDEVENT_DATA-COUNTRY_ZIPCODE_CITY, sy-vline,
  WA_UKM_POWL_BOL_WDEVENT_DATA-RATING, sy-vline,
  WA_UKM_POWL_BOL_WDEVENT_DATA-RISK_CLASS, sy-vline,
  WA_UKM_POWL_BOL_WDEVENT_DATA-CREDIT_LIMIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_UKM_POWL_BOL_WDEVENT_DATA you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_UKM_POWL_BOL_WDEVENT_DATA TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_UKM_POWL_BOL_WDEVENT_DATA INTO WA_UKM_POWL_BOL_WDEVENT_DATA.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit AU152, internal->external for field CREDIT_LIMIT
CALL FUNCTION 'CONVERSION_EXIT_AU152_OUTPUT'
  EXPORTING
    input =                      WA_UKM_POWL_BOL_WDEVENT_DATA-CREDIT_LIMIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_UKM_POWL_BOL_WDEVENT_DATA-CREDIT_LIMIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field EXPOSURE
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_UKM_POWL_BOL_WDEVENT_DATA-EXPOSURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_UKM_POWL_BOL_WDEVENT_DATA-EXPOSURE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field OLD_OPEN_ITEMS_AMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_UKM_POWL_BOL_WDEVENT_DATA-OLD_OPEN_ITEMS_AMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_UKM_POWL_BOL_WDEVENT_DATA-OLD_OPEN_ITEMS_AMOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field LAST_PAYMENT_AMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_UKM_POWL_BOL_WDEVENT_DATA-LAST_PAYMENT_AMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_UKM_POWL_BOL_WDEVENT_DATA-LAST_PAYMENT_AMOUNT.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_UKM_POWL_BOL_WDEVENT_DATA_STR, 
ACTIONID TYPE STRING,
SELECTED_DATA TYPE STRING,
SELECTED_IDX TYPE STRING,
TABIX TYPE STRING,
LINE_DETAIL TYPE STRING,
BP_NAME TYPE STRING,
STREET_HOUSE_NO TYPE STRING,
COUNTRY_ZIPCODE_CITY TYPE STRING,
RATING TYPE STRING,
RISK_CLASS TYPE STRING,
CREDIT_LIMIT TYPE STRING,
LIMIT_CURRENCY TYPE STRING,
EXPOSURE TYPE STRING,
EXPOSURE_CURRENCY TYPE STRING,
DUNNING_LEVEL TYPE STRING,
OLD_OPEN_ITEMS_AMOUNT TYPE STRING,
OLD_OPEN_ITEMS_CURRENCY TYPE STRING,
OLD_OPEN_ITEMS_DATE TYPE STRING,
LAST_PAYMENT_AMOUNT TYPE STRING,
LAST_PAYMENT_CURRENCY TYPE STRING,
LAST_PAYMENT_DATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_UKM_POWL_BOL_WDEVENT_DATA_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_UKM_POWL_BOL_WDEVENT_DATA_STR-ACTIONID sy-vline 
WA_UKM_POWL_BOL_WDEVENT_DATA_STR-SELECTED_DATA sy-vline 
WA_UKM_POWL_BOL_WDEVENT_DATA_STR-SELECTED_IDX sy-vline 
WA_UKM_POWL_BOL_WDEVENT_DATA_STR-TABIX sy-vline 
WA_UKM_POWL_BOL_WDEVENT_DATA_STR-LINE_DETAIL sy-vline 
WA_UKM_POWL_BOL_WDEVENT_DATA_STR-BP_NAME sy-vline 
WA_UKM_POWL_BOL_WDEVENT_DATA_STR-STREET_HOUSE_NO sy-vline 
WA_UKM_POWL_BOL_WDEVENT_DATA_STR-COUNTRY_ZIPCODE_CITY sy-vline 
WA_UKM_POWL_BOL_WDEVENT_DATA_STR-RATING sy-vline 
WA_UKM_POWL_BOL_WDEVENT_DATA_STR-RISK_CLASS sy-vline 
WA_UKM_POWL_BOL_WDEVENT_DATA_STR-CREDIT_LIMIT sy-vline 
WA_UKM_POWL_BOL_WDEVENT_DATA_STR-LIMIT_CURRENCY sy-vline 
WA_UKM_POWL_BOL_WDEVENT_DATA_STR-EXPOSURE sy-vline 
WA_UKM_POWL_BOL_WDEVENT_DATA_STR-EXPOSURE_CURRENCY sy-vline 
WA_UKM_POWL_BOL_WDEVENT_DATA_STR-DUNNING_LEVEL sy-vline 
WA_UKM_POWL_BOL_WDEVENT_DATA_STR-OLD_OPEN_ITEMS_AMOUNT sy-vline 
WA_UKM_POWL_BOL_WDEVENT_DATA_STR-OLD_OPEN_ITEMS_CURRENCY sy-vline 
WA_UKM_POWL_BOL_WDEVENT_DATA_STR-OLD_OPEN_ITEMS_DATE sy-vline 
WA_UKM_POWL_BOL_WDEVENT_DATA_STR-LAST_PAYMENT_AMOUNT sy-vline 
WA_UKM_POWL_BOL_WDEVENT_DATA_STR-LAST_PAYMENT_CURRENCY sy-vline 
WA_UKM_POWL_BOL_WDEVENT_DATA_STR-LAST_PAYMENT_DATE sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.