ABAP Select data from SAP table EDI_DS40 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP EDI_DS40 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 EDI_DS40. 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 EDI_DS40 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_EDI_DS40 TYPE STANDARD TABLE OF EDI_DS40,
      WA_EDI_DS40 TYPE EDI_DS40,
      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: <EDI_DS40> TYPE EDI_DS40.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_EDI_DS40.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM EDI_DS40
  INTO TABLE IT_EDI_DS40.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EDI_DS40
*  INTO TABLE @DATA(IT_EDI_DS402).
*--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_EDI_DS40 INDEX 1 INTO DATA(WA_EDI_DS402).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_EDI_DS40 ASSIGNING <EDI_DS40>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EDI_DS40>-TABNAM = 1.
<EDI_DS40>-MANDT = 1.
<EDI_DS40>-DOCNUM = 1.
<EDI_DS40>-LOGDAT = 1.
<EDI_DS40>-LOGTIM = 1.

ENDLOOP.

LOOP AT IT_EDI_DS40 INTO WA_EDI_DS40.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EDI_DS40-STATUS, sy-vline,
  WA_EDI_DS40-STAMQU, sy-vline,
  WA_EDI_DS40-STAMID, sy-vline,
  WA_EDI_DS40-STAMNO, sy-vline,
  WA_EDI_DS40-STATYP, sy-vline,
  WA_EDI_DS40-STAPA1, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EDI_DS40 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_EDI_DS40 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_EDI_DS40 INTO WA_EDI_DS40.


*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_EDI_DS40_STR, 
TABNAM TYPE STRING,
MANDT TYPE STRING,
DOCNUM TYPE STRING,
LOGDAT TYPE STRING,
LOGTIM TYPE STRING,
STATUS TYPE STRING,
STAMQU TYPE STRING,
STAMID TYPE STRING,
STAMNO TYPE STRING,
STATYP TYPE STRING,
STAPA1 TYPE STRING,
STAPA2 TYPE STRING,
STAPA3 TYPE STRING,
STAPA4 TYPE STRING,
STATXT TYPE STRING,
UNAME TYPE STRING,
REPID TYPE STRING,
ROUTID TYPE STRING,
SEGNUM TYPE STRING,
SEGFLD TYPE STRING,
REFINT TYPE STRING,
REFGRP TYPE STRING,
REFMES TYPE STRING,
ARCKEY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EDI_DS40_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_EDI_DS40_STR-TABNAM sy-vline 
WA_EDI_DS40_STR-MANDT sy-vline 
WA_EDI_DS40_STR-DOCNUM sy-vline 
WA_EDI_DS40_STR-LOGDAT sy-vline 
WA_EDI_DS40_STR-LOGTIM sy-vline 
WA_EDI_DS40_STR-STATUS sy-vline 
WA_EDI_DS40_STR-STAMQU sy-vline 
WA_EDI_DS40_STR-STAMID sy-vline 
WA_EDI_DS40_STR-STAMNO sy-vline 
WA_EDI_DS40_STR-STATYP sy-vline 
WA_EDI_DS40_STR-STAPA1 sy-vline 
WA_EDI_DS40_STR-STAPA2 sy-vline 
WA_EDI_DS40_STR-STAPA3 sy-vline 
WA_EDI_DS40_STR-STAPA4 sy-vline 
WA_EDI_DS40_STR-STATXT sy-vline 
WA_EDI_DS40_STR-UNAME sy-vline 
WA_EDI_DS40_STR-REPID sy-vline 
WA_EDI_DS40_STR-ROUTID sy-vline 
WA_EDI_DS40_STR-SEGNUM sy-vline 
WA_EDI_DS40_STR-SEGFLD sy-vline 
WA_EDI_DS40_STR-REFINT sy-vline 
WA_EDI_DS40_STR-REFGRP sy-vline 
WA_EDI_DS40_STR-REFMES sy-vline 
WA_EDI_DS40_STR-ARCKEY sy-vline      INTO ld_text SEPARATED BY SPACE.

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