ABAP Select data from SAP table ESO_S_ERP_VBPA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ESO_S_ERP_VBPA
*  INTO TABLE @DATA(IT_ESO_S_ERP_VBPA2).
*--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_ESO_S_ERP_VBPA INDEX 1 INTO DATA(WA_ESO_S_ERP_VBPA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ESO_S_ERP_VBPA>-VBELN = 1.
<ESO_S_ERP_VBPA>-POSNR = 1.
<ESO_S_ERP_VBPA>-PARVW = 1.
<ESO_S_ERP_VBPA>-KUNNR = 1.
<ESO_S_ERP_VBPA>-LIFNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ESO_S_ERP_VBPA-PERNR, sy-vline,
  WA_ESO_S_ERP_VBPA-PARNR, sy-vline,
  WA_ESO_S_ERP_VBPA-ADRNR, sy-vline,
  WA_ESO_S_ERP_VBPA-ABLAD, sy-vline,
  WA_ESO_S_ERP_VBPA-LAND1, sy-vline,
  WA_ESO_S_ERP_VBPA-KNREF, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ESO_S_ERP_VBPA 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_ESO_S_ERP_VBPA 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_ESO_S_ERP_VBPA INTO WA_ESO_S_ERP_VBPA.


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

*Conversion exit PARVW, internal->external for field PARVW
CALL FUNCTION 'CONVERSION_EXIT_PARVW_OUTPUT'
  EXPORTING
    input =                      WA_ESO_S_ERP_VBPA-PARVW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESO_S_ERP_VBPA-PARVW.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field ADRNP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ESO_S_ERP_VBPA-ADRNP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESO_S_ERP_VBPA-ADRNP.
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_ESO_S_ERP_VBPA_STR, 
VBELN TYPE STRING,
POSNR TYPE STRING,
PARVW TYPE STRING,
KUNNR TYPE STRING,
LIFNR TYPE STRING,
PERNR TYPE STRING,
PARNR TYPE STRING,
ADRNR TYPE STRING,
ABLAD TYPE STRING,
LAND1 TYPE STRING,
KNREF TYPE STRING,
STCEG TYPE STRING,
ADRNP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ESO_S_ERP_VBPA_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_ESO_S_ERP_VBPA_STR-VBELN sy-vline 
WA_ESO_S_ERP_VBPA_STR-POSNR sy-vline 
WA_ESO_S_ERP_VBPA_STR-PARVW sy-vline 
WA_ESO_S_ERP_VBPA_STR-KUNNR sy-vline 
WA_ESO_S_ERP_VBPA_STR-LIFNR sy-vline 
WA_ESO_S_ERP_VBPA_STR-PERNR sy-vline 
WA_ESO_S_ERP_VBPA_STR-PARNR sy-vline 
WA_ESO_S_ERP_VBPA_STR-ADRNR sy-vline 
WA_ESO_S_ERP_VBPA_STR-ABLAD sy-vline 
WA_ESO_S_ERP_VBPA_STR-LAND1 sy-vline 
WA_ESO_S_ERP_VBPA_STR-KNREF sy-vline 
WA_ESO_S_ERP_VBPA_STR-STCEG sy-vline 
WA_ESO_S_ERP_VBPA_STR-ADRNP sy-vline      INTO ld_text SEPARATED BY SPACE.

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