ABAP Select data from SAP table E1EDP28 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP E1EDP28 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 E1EDP28. 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 E1EDP28 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_E1EDP28 TYPE STANDARD TABLE OF E1EDP28,
      WA_E1EDP28 TYPE E1EDP28,
      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: <E1EDP28> TYPE E1EDP28.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_E1EDP28.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM E1EDP28
  INTO TABLE IT_E1EDP28.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM E1EDP28
*  INTO TABLE @DATA(IT_E1EDP282).
*--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_E1EDP28 INDEX 1 INTO DATA(WA_E1EDP282).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_E1EDP28 ASSIGNING <E1EDP28>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<E1EDP28>-EXNUM = 1.
<E1EDP28>-EXPOS = 1.
<E1EDP28>-STAWN = 1.
<E1EDP28>-EXPRF = 1.
<E1EDP28>-EXART = 1.

ENDLOOP.

LOOP AT IT_E1EDP28 INTO WA_E1EDP28.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_E1EDP28-HERKL, sy-vline,
  WA_E1EDP28-HERKR, sy-vline,
  WA_E1EDP28-HERTA, sy-vline,
  WA_E1EDP28-HERTI, sy-vline,
  WA_E1EDP28-STXT1, sy-vline,
  WA_E1EDP28-STXT2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_E1EDP28 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_E1EDP28 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_E1EDP28 INTO WA_E1EDP28.


*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_E1EDP28_STR, 
EXNUM TYPE STRING,
EXPOS TYPE STRING,
STAWN TYPE STRING,
EXPRF TYPE STRING,
EXART TYPE STRING,
HERKL TYPE STRING,
HERKR TYPE STRING,
HERTA TYPE STRING,
HERTI TYPE STRING,
STXT1 TYPE STRING,
STXT2 TYPE STRING,
STXT3 TYPE STRING,
STXT4 TYPE STRING,
STXT5 TYPE STRING,
STXT6 TYPE STRING,
STXT7 TYPE STRING,
BEMAS TYPE STRING,
PREFE TYPE STRING,
BOLNR TYPE STRING,
TRATY TYPE STRING,
TRAID TYPE STRING,
BRULO TYPE STRING,
NETLO TYPE STRING,
VEMEH TYPE STRING,
HERBL TYPE STRING,
BMGEW TYPE STRING,
TEXT1 TYPE STRING,
TEXT2 TYPE STRING,
TEXT3 TYPE STRING,
COIMP TYPE STRING,
COADI TYPE STRING,
COKON TYPE STRING,
COPHA TYPE STRING,
CASNR TYPE STRING,
VERLD TYPE STRING,
VERLD_TX TYPE STRING,
HANLD TYPE STRING,
HANLD_TX TYPE STRING,
EXPRF_TX TYPE STRING,
EXART_TX TYPE STRING,
GBNUM TYPE STRING,
REGNR TYPE STRING,
HERSE TYPE STRING,
HERKR_TX TYPE STRING,
COBLD TYPE STRING,
EIOKA TYPE STRING,
VERFA TYPE STRING,
PRENC TYPE STRING,
PRENO TYPE STRING,
PREND TYPE STRING,
BESMA TYPE STRING,
IMPMA TYPE STRING,
KTNUM TYPE STRING,
PLNUM TYPE STRING,
WKREG TYPE STRING,
IMGEW TYPE STRING,END OF T_EKKO_STR.
DATA: WA_E1EDP28_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_E1EDP28_STR-EXNUM sy-vline 
WA_E1EDP28_STR-EXPOS sy-vline 
WA_E1EDP28_STR-STAWN sy-vline 
WA_E1EDP28_STR-EXPRF sy-vline 
WA_E1EDP28_STR-EXART sy-vline 
WA_E1EDP28_STR-HERKL sy-vline 
WA_E1EDP28_STR-HERKR sy-vline 
WA_E1EDP28_STR-HERTA sy-vline 
WA_E1EDP28_STR-HERTI sy-vline 
WA_E1EDP28_STR-STXT1 sy-vline 
WA_E1EDP28_STR-STXT2 sy-vline 
WA_E1EDP28_STR-STXT3 sy-vline 
WA_E1EDP28_STR-STXT4 sy-vline 
WA_E1EDP28_STR-STXT5 sy-vline 
WA_E1EDP28_STR-STXT6 sy-vline 
WA_E1EDP28_STR-STXT7 sy-vline 
WA_E1EDP28_STR-BEMAS sy-vline 
WA_E1EDP28_STR-PREFE sy-vline 
WA_E1EDP28_STR-BOLNR sy-vline 
WA_E1EDP28_STR-TRATY sy-vline 
WA_E1EDP28_STR-TRAID sy-vline 
WA_E1EDP28_STR-BRULO sy-vline 
WA_E1EDP28_STR-NETLO sy-vline 
WA_E1EDP28_STR-VEMEH sy-vline 
WA_E1EDP28_STR-HERBL sy-vline 
WA_E1EDP28_STR-BMGEW sy-vline 
WA_E1EDP28_STR-TEXT1 sy-vline 
WA_E1EDP28_STR-TEXT2 sy-vline 
WA_E1EDP28_STR-TEXT3 sy-vline 
WA_E1EDP28_STR-COIMP sy-vline 
WA_E1EDP28_STR-COADI sy-vline 
WA_E1EDP28_STR-COKON sy-vline 
WA_E1EDP28_STR-COPHA sy-vline 
WA_E1EDP28_STR-CASNR sy-vline 
WA_E1EDP28_STR-VERLD sy-vline 
WA_E1EDP28_STR-VERLD_TX sy-vline 
WA_E1EDP28_STR-HANLD sy-vline 
WA_E1EDP28_STR-HANLD_TX sy-vline 
WA_E1EDP28_STR-EXPRF_TX sy-vline 
WA_E1EDP28_STR-EXART_TX sy-vline 
WA_E1EDP28_STR-GBNUM sy-vline 
WA_E1EDP28_STR-REGNR sy-vline 
WA_E1EDP28_STR-HERSE sy-vline 
WA_E1EDP28_STR-HERKR_TX sy-vline 
WA_E1EDP28_STR-COBLD sy-vline 
WA_E1EDP28_STR-EIOKA sy-vline 
WA_E1EDP28_STR-VERFA sy-vline 
WA_E1EDP28_STR-PRENC sy-vline 
WA_E1EDP28_STR-PRENO sy-vline 
WA_E1EDP28_STR-PREND sy-vline 
WA_E1EDP28_STR-BESMA sy-vline 
WA_E1EDP28_STR-IMPMA sy-vline 
WA_E1EDP28_STR-KTNUM sy-vline 
WA_E1EDP28_STR-PLNUM sy-vline 
WA_E1EDP28_STR-WKREG sy-vline 
WA_E1EDP28_STR-IMGEW sy-vline      INTO ld_text SEPARATED BY SPACE.

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