ABAP Select data from SAP table EAUSDRAHM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EAUSDRAHM
*  INTO TABLE @DATA(IT_EAUSDRAHM2).
*--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_EAUSDRAHM INDEX 1 INTO DATA(WA_EAUSDRAHM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EAUSDRAHM>-RAHMEN1 = 1.
<EAUSDRAHM>-RAHMEN2 = 1.
<EAUSDRAHM>-RAHMEN3 = 1.
<EAUSDRAHM>-RAHMEN4 = 1.
<EAUSDRAHM>-RAHMEN5 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EAUSDRAHM-RAHMEN6, sy-vline,
  WA_EAUSDRAHM-RAHMEN7, sy-vline,
  WA_EAUSDRAHM-RAHMEN8, sy-vline,
  WA_EAUSDRAHM-RAHMEN9, sy-vline,
  WA_EAUSDRAHM-RAHMEN10, sy-vline,
  WA_EAUSDRAHM-RAHMEN11, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EAUSDRAHM 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_EAUSDRAHM 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_EAUSDRAHM INTO WA_EAUSDRAHM.


*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.
ENDFORM. 

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

TYPES: BEGIN OF T_EAUSDRAHM_STR, 
RAHMEN1 TYPE STRING,
RAHMEN2 TYPE STRING,
RAHMEN3 TYPE STRING,
RAHMEN4 TYPE STRING,
RAHMEN5 TYPE STRING,
RAHMEN6 TYPE STRING,
RAHMEN7 TYPE STRING,
RAHMEN8 TYPE STRING,
RAHMEN9 TYPE STRING,
RAHMEN10 TYPE STRING,
RAHMEN11 TYPE STRING,
RAHMEN12 TYPE STRING,
RAHMEN13 TYPE STRING,
RAHMEN14 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EAUSDRAHM_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_EAUSDRAHM_STR-RAHMEN1 sy-vline 
WA_EAUSDRAHM_STR-RAHMEN2 sy-vline 
WA_EAUSDRAHM_STR-RAHMEN3 sy-vline 
WA_EAUSDRAHM_STR-RAHMEN4 sy-vline 
WA_EAUSDRAHM_STR-RAHMEN5 sy-vline 
WA_EAUSDRAHM_STR-RAHMEN6 sy-vline 
WA_EAUSDRAHM_STR-RAHMEN7 sy-vline 
WA_EAUSDRAHM_STR-RAHMEN8 sy-vline 
WA_EAUSDRAHM_STR-RAHMEN9 sy-vline 
WA_EAUSDRAHM_STR-RAHMEN10 sy-vline 
WA_EAUSDRAHM_STR-RAHMEN11 sy-vline 
WA_EAUSDRAHM_STR-RAHMEN12 sy-vline 
WA_EAUSDRAHM_STR-RAHMEN13 sy-vline 
WA_EAUSDRAHM_STR-RAHMEN14 sy-vline      INTO ld_text SEPARATED BY SPACE.

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