ABAP Select data from SAP table RFUMS_TAB_EP into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RFUMS_TAB_EP 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 RFUMS_TAB_EP. 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 RFUMS_TAB_EP 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_RFUMS_TAB_EP TYPE STANDARD TABLE OF RFUMS_TAB_EP,
      WA_RFUMS_TAB_EP TYPE RFUMS_TAB_EP,
      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: <RFUMS_TAB_EP> TYPE RFUMS_TAB_EP.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RFUMS_TAB_EP
*  INTO TABLE @DATA(IT_RFUMS_TAB_EP2).
*--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_RFUMS_TAB_EP INDEX 1 INTO DATA(WA_RFUMS_TAB_EP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RFUMS_TAB_EP>-BUPLA = 1.
<RFUMS_TAB_EP>-TXGRP = 1.
<RFUMS_TAB_EP>-TAX_COUNTRY = 1.
<RFUMS_TAB_EP>-MWSKZ = 1.
<RFUMS_TAB_EP>-TXDAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RFUMS_TAB_EP-TXDAT_FROM, sy-vline,
  WA_RFUMS_TAB_EP-MWSKZ_AND_TXDAT_FROM, sy-vline,
  WA_RFUMS_TAB_EP-KTOSL, sy-vline,
  WA_RFUMS_TAB_EP-KSCHL, sy-vline,
  WA_RFUMS_TAB_EP-MWART, sy-vline,
  WA_RFUMS_TAB_EP-STGRP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RFUMS_TAB_EP 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_RFUMS_TAB_EP 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_RFUMS_TAB_EP INTO WA_RFUMS_TAB_EP.


*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 ALPHA, internal->external for field TKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RFUMS_TAB_EP-TKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFUMS_TAB_EP-TKONT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AD150, internal->external for field HWBAS
CALL FUNCTION 'CONVERSION_EXIT_AD150_OUTPUT'
  EXPORTING
    input =                      WA_RFUMS_TAB_EP-HWBAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFUMS_TAB_EP-HWBAS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AD150, internal->external for field FWBAS
CALL FUNCTION 'CONVERSION_EXIT_AD150_OUTPUT'
  EXPORTING
    input =                      WA_RFUMS_TAB_EP-FWBAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFUMS_TAB_EP-FWBAS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field HWSTEAA
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_RFUMS_TAB_EP-HWSTEAA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFUMS_TAB_EP-HWSTEAA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AD150, internal->external for field HWSTE
CALL FUNCTION 'CONVERSION_EXIT_AD150_OUTPUT'
  EXPORTING
    input =                      WA_RFUMS_TAB_EP-HWSTE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFUMS_TAB_EP-HWSTE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AD150, internal->external for field FWSTE
CALL FUNCTION 'CONVERSION_EXIT_AD150_OUTPUT'
  EXPORTING
    input =                      WA_RFUMS_TAB_EP-FWSTE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFUMS_TAB_EP-FWSTE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AD150, internal->external for field HWNAF
CALL FUNCTION 'CONVERSION_EXIT_AD150_OUTPUT'
  EXPORTING
    input =                      WA_RFUMS_TAB_EP-HWNAF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFUMS_TAB_EP-HWNAF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AD150, internal->external for field FWNAF
CALL FUNCTION 'CONVERSION_EXIT_AD150_OUTPUT'
  EXPORTING
    input =                      WA_RFUMS_TAB_EP-FWNAF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFUMS_TAB_EP-FWNAF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AD150, internal->external for field SDIFF
CALL FUNCTION 'CONVERSION_EXIT_AD150_OUTPUT'
  EXPORTING
    input =                      WA_RFUMS_TAB_EP-SDIFF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFUMS_TAB_EP-SDIFF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC172, internal->external for field HWGROSS
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_RFUMS_TAB_EP-HWGROSS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFUMS_TAB_EP-HWGROSS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field FWSTEAA
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_RFUMS_TAB_EP-FWSTEAA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFUMS_TAB_EP-FWSTEAA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AD150, internal->external for field SDIFF_FC
CALL FUNCTION 'CONVERSION_EXIT_AD150_OUTPUT'
  EXPORTING
    input =                      WA_RFUMS_TAB_EP-SDIFF_FC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFUMS_TAB_EP-SDIFF_FC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VENTURE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RFUMS_TAB_EP-VENTURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFUMS_TAB_EP-VENTURE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EQUITY_GROUP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RFUMS_TAB_EP-EQUITY_GROUP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFUMS_TAB_EP-EQUITY_GROUP.
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_RFUMS_TAB_EP_STR, 
BUPLA TYPE STRING,
TXGRP TYPE STRING,
TAX_COUNTRY TYPE STRING,
MWSKZ TYPE STRING,
TXDAT TYPE STRING,
TXDAT_FROM TYPE STRING,
MWSKZ_AND_TXDAT_FROM TYPE STRING,
KTOSL TYPE STRING,
KSCHL TYPE STRING,
MWART TYPE STRING,
STGRP TYPE STRING,
STAZF TYPE STRING,
KBETR TYPE STRING,
SHKZG TYPE STRING,
TKONT TYPE STRING,
BUZEI TYPE STRING,
USER_FIELD_A TYPE STRING,
USER_FIELD_B TYPE STRING,
HWBAS TYPE STRING,
FWBAS TYPE STRING,
HWSTEAA TYPE STRING,
HWSTE TYPE STRING,
FWSTE TYPE STRING,
HWNAF TYPE STRING,
FWNAF TYPE STRING,
SDIFF TYPE STRING,
HWGROSS TYPE STRING,
TEXT1 TYPE STRING,
FWSTEAA TYPE STRING,
SDIFF_FC TYPE STRING,
LSTML TYPE STRING,
EGBLD TYPE STRING,
EGLLD TYPE STRING,
VENTURE TYPE STRING,
EQUITY_GROUP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RFUMS_TAB_EP_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_RFUMS_TAB_EP_STR-BUPLA sy-vline 
WA_RFUMS_TAB_EP_STR-TXGRP sy-vline 
WA_RFUMS_TAB_EP_STR-TAX_COUNTRY sy-vline 
WA_RFUMS_TAB_EP_STR-MWSKZ sy-vline 
WA_RFUMS_TAB_EP_STR-TXDAT sy-vline 
WA_RFUMS_TAB_EP_STR-TXDAT_FROM sy-vline 
WA_RFUMS_TAB_EP_STR-MWSKZ_AND_TXDAT_FROM sy-vline 
WA_RFUMS_TAB_EP_STR-KTOSL sy-vline 
WA_RFUMS_TAB_EP_STR-KSCHL sy-vline 
WA_RFUMS_TAB_EP_STR-MWART sy-vline 
WA_RFUMS_TAB_EP_STR-STGRP sy-vline 
WA_RFUMS_TAB_EP_STR-STAZF sy-vline 
WA_RFUMS_TAB_EP_STR-KBETR sy-vline 
WA_RFUMS_TAB_EP_STR-SHKZG sy-vline 
WA_RFUMS_TAB_EP_STR-TKONT sy-vline 
WA_RFUMS_TAB_EP_STR-BUZEI sy-vline 
WA_RFUMS_TAB_EP_STR-USER_FIELD_A sy-vline 
WA_RFUMS_TAB_EP_STR-USER_FIELD_B sy-vline 
WA_RFUMS_TAB_EP_STR-HWBAS sy-vline 
WA_RFUMS_TAB_EP_STR-FWBAS sy-vline 
WA_RFUMS_TAB_EP_STR-HWSTEAA sy-vline 
WA_RFUMS_TAB_EP_STR-HWSTE sy-vline 
WA_RFUMS_TAB_EP_STR-FWSTE sy-vline 
WA_RFUMS_TAB_EP_STR-HWNAF sy-vline 
WA_RFUMS_TAB_EP_STR-FWNAF sy-vline 
WA_RFUMS_TAB_EP_STR-SDIFF sy-vline 
WA_RFUMS_TAB_EP_STR-HWGROSS sy-vline 
WA_RFUMS_TAB_EP_STR-TEXT1 sy-vline 
WA_RFUMS_TAB_EP_STR-FWSTEAA sy-vline 
WA_RFUMS_TAB_EP_STR-SDIFF_FC sy-vline 
WA_RFUMS_TAB_EP_STR-LSTML sy-vline 
WA_RFUMS_TAB_EP_STR-EGBLD sy-vline 
WA_RFUMS_TAB_EP_STR-EGLLD sy-vline 
WA_RFUMS_TAB_EP_STR-VENTURE sy-vline 
WA_RFUMS_TAB_EP_STR-EQUITY_GROUP sy-vline      INTO ld_text SEPARATED BY SPACE.

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