ABAP Select data from SAP table WRMA_S_SOURCE_FIELDS_RMA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM WRMA_S_SOURCE_FIELDS_RMA
*  INTO TABLE @DATA(IT_WRMA_S_SOURCE_FIELDS_RMA2).
*--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_WRMA_S_SOURCE_FIELDS_RMA INDEX 1 INTO DATA(WA_WRMA_S_SOURCE_FIELDS_RMA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<WRMA_S_SOURCE_FIELDS_RMA>-PLANT = 1.
<WRMA_S_SOURCE_FIELDS_RMA>-MATERIAL = 1.
<WRMA_S_SOURCE_FIELDS_RMA>-RSL_STMAT = 1.
<WRMA_S_SOURCE_FIELDS_RMA>-RMA_OBJ = 1.
<WRMA_S_SOURCE_FIELDS_RMA>-PROCESSKEY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_WRMA_S_SOURCE_FIELDS_RMA-MOVETYPE, sy-vline,
  WA_WRMA_S_SOURCE_FIELDS_RMA-RT_PROMO, sy-vline,
  WA_WRMA_S_SOURCE_FIELDS_RMA-MOVE_PLANT, sy-vline,
  WA_WRMA_S_SOURCE_FIELDS_RMA-STOCKCAT, sy-vline,
  WA_WRMA_S_SOURCE_FIELDS_RMA-RPA_BDD, sy-vline,
  WA_WRMA_S_SOURCE_FIELDS_RMA-PSTNG_DATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_WRMA_S_SOURCE_FIELDS_RMA 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_WRMA_S_SOURCE_FIELDS_RMA 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_WRMA_S_SOURCE_FIELDS_RMA INTO WA_WRMA_S_SOURCE_FIELDS_RMA.


*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 MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_WRMA_S_SOURCE_FIELDS_RMA-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WRMA_S_SOURCE_FIELDS_RMA-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field RSL_STMAT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_WRMA_S_SOURCE_FIELDS_RMA-RSL_STMAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WRMA_S_SOURCE_FIELDS_RMA-RSL_STMAT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TIMES, internal->external for field TCTLSTCHG
CALL FUNCTION 'CONVERSION_EXIT_TIMES_OUTPUT'
  EXPORTING
    input =                      WA_WRMA_S_SOURCE_FIELDS_RMA-TCTLSTCHG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WRMA_S_SOURCE_FIELDS_RMA-TCTLSTCHG.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit MATN1, internal->external for field RT_STMAT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_WRMA_S_SOURCE_FIELDS_RMA-RT_STMAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WRMA_S_SOURCE_FIELDS_RMA-RT_STMAT.
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_WRMA_S_SOURCE_FIELDS_RMA_STR, 
PLANT TYPE STRING,
MATERIAL TYPE STRING,
RSL_STMAT TYPE STRING,
RMA_OBJ TYPE STRING,
PROCESSKEY TYPE STRING,
MOVETYPE TYPE STRING,
RT_PROMO TYPE STRING,
MOVE_PLANT TYPE STRING,
STOCKCAT TYPE STRING,
RPA_BDD TYPE STRING,
PSTNG_DATE TYPE STRING,
RT_REVDAT TYPE STRING,
STOCKRELEV TYPE STRING,
CPPVLC TYPE STRING,
CPSVLC TYPE STRING,
CPSTLC TYPE STRING,
RTINSADIST TYPE STRING,
RT_SASTST TYPE STRING,
RT_SASTSV TYPE STRING,
LOC_CURRCY TYPE STRING,
RMA_XCC TYPE STRING,
RMA_LNK TYPE STRING,
RMA_RFLG TYPE STRING,
RTHFEES TYPE STRING,
DOC_NUM TYPE STRING,
TCTLSTCHG TYPE STRING,
RECORDMODE TYPE STRING,
RTINSADIVT TYPE STRING,
RPA_DTC TYPE STRING,
RT_STMAT TYPE STRING,
RT_PRDIFF TYPE STRING,
AB_NETVAL TYPE STRING,
AB_GRSVAL TYPE STRING,
AB_CURRCY TYPE STRING,
EXCHG_RATE TYPE STRING,
AB_CONDGRP TYPE STRING,
RMA_CCIND TYPE STRING,
DOC_ITEM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_WRMA_S_SOURCE_FIELDS_RMA_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_WRMA_S_SOURCE_FIELDS_RMA_STR-PLANT sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-MATERIAL sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-RSL_STMAT sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-RMA_OBJ sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-PROCESSKEY sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-MOVETYPE sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-RT_PROMO sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-MOVE_PLANT sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-STOCKCAT sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-RPA_BDD sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-PSTNG_DATE sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-RT_REVDAT sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-STOCKRELEV sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-CPPVLC sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-CPSVLC sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-CPSTLC sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-RTINSADIST sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-RT_SASTST sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-RT_SASTSV sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-LOC_CURRCY sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-RMA_XCC sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-RMA_LNK sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-RMA_RFLG sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-RTHFEES sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-DOC_NUM sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-TCTLSTCHG sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-RECORDMODE sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-RTINSADIVT sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-RPA_DTC sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-RT_STMAT sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-RT_PRDIFF sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-AB_NETVAL sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-AB_GRSVAL sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-AB_CURRCY sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-EXCHG_RATE sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-AB_CONDGRP sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-RMA_CCIND sy-vline 
WA_WRMA_S_SOURCE_FIELDS_RMA_STR-DOC_ITEM sy-vline      INTO ld_text SEPARATED BY SPACE.

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