ABAP Select data from SAP table VEPSDELI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VEPSDELI
*  INTO TABLE @DATA(IT_VEPSDELI2).
*--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_VEPSDELI INDEX 1 INTO DATA(WA_VEPSDELI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VEPSDELI>-EPSRECADR = 1.
<VEPSDELI>-EPSPCLORI = 1.
<VEPSDELI>-EPSPCLNUM = 1.
<VEPSDELI>-EPSORDDAT = 1.
<VEPSDELI>-EPSORDTIM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VEPSDELI-EPSDELDAT, sy-vline,
  WA_VEPSDELI-EPSDELTIM, sy-vline,
  WA_VEPSDELI-EPSRSPUSR, sy-vline,
  WA_VEPSDELI-EPSDELRC, sy-vline,
  WA_VEPSDELI-EPSPCLEXT, sy-vline,
  WA_VEPSDELI-EPSSUBJECT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VEPSDELI 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_VEPSDELI 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_VEPSDELI INTO WA_VEPSDELI.


*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_VEPSDELI_STR, 
EPSRECADR TYPE STRING,
EPSPCLORI TYPE STRING,
EPSPCLNUM TYPE STRING,
EPSORDDAT TYPE STRING,
EPSORDTIM TYPE STRING,
EPSDELDAT TYPE STRING,
EPSDELTIM TYPE STRING,
EPSRSPUSR TYPE STRING,
EPSDELRC TYPE STRING,
EPSPCLEXT TYPE STRING,
EPSSUBJECT TYPE STRING,
EPSCOMMENT TYPE STRING,
EPSFILSIZ TYPE STRING,
EPSRELFLG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VEPSDELI_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_VEPSDELI_STR-EPSRECADR sy-vline 
WA_VEPSDELI_STR-EPSPCLORI sy-vline 
WA_VEPSDELI_STR-EPSPCLNUM sy-vline 
WA_VEPSDELI_STR-EPSORDDAT sy-vline 
WA_VEPSDELI_STR-EPSORDTIM sy-vline 
WA_VEPSDELI_STR-EPSDELDAT sy-vline 
WA_VEPSDELI_STR-EPSDELTIM sy-vline 
WA_VEPSDELI_STR-EPSRSPUSR sy-vline 
WA_VEPSDELI_STR-EPSDELRC sy-vline 
WA_VEPSDELI_STR-EPSPCLEXT sy-vline 
WA_VEPSDELI_STR-EPSSUBJECT sy-vline 
WA_VEPSDELI_STR-EPSCOMMENT sy-vline 
WA_VEPSDELI_STR-EPSFILSIZ sy-vline 
WA_VEPSDELI_STR-EPSRELFLG sy-vline      INTO ld_text SEPARATED BY SPACE.

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