ABAP Select data from SAP table VBAK_STATUS_DESCR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VBAK_STATUS_DESCR
*  INTO TABLE @DATA(IT_VBAK_STATUS_DESCR2).
*--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_VBAK_STATUS_DESCR INDEX 1 INTO DATA(WA_VBAK_STATUS_DESCR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VBAK_STATUS_DESCR>-APM_APPROVAL_STATUS_DESCR = 1.
<VBAK_STATUS_DESCR>-APM_APPROVAL_REASON_DESCR = 1.
<VBAK_STATUS_DESCR>-TOTAL_PCSTA_DESCR = 1.
<VBAK_STATUS_DESCR>-TOTAL_DGSTA_DESCR = 1.
<VBAK_STATUS_DESCR>-TOTAL_SDSSTA_DESCR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VBAK_STATUS_DESCR-DP_CLEAR_STA_DESCR, sy-vline,
  WA_VBAK_STATUS_DESCR-TOTAL_EMCST_DESCR, sy-vline,
  WA_VBAK_STATUS_DESCR-TOTAL_SLCST_DESCR, sy-vline,
  WA_VBAK_STATUS_DESCR-TOTAL_LCCST_DESCR, sy-vline,
  WA_VBAK_STATUS_DESCR-BOB_STATUS_DESCR, sy-vline,
  WA_VBAK_STATUS_DESCR-TOT_DELIV_RELTD_BILLG_STA_DESC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VBAK_STATUS_DESCR 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_VBAK_STATUS_DESCR 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_VBAK_STATUS_DESCR INTO WA_VBAK_STATUS_DESCR.


*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_VBAK_STATUS_DESCR_STR, 
APM_APPROVAL_STATUS_DESCR TYPE STRING,
APM_APPROVAL_REASON_DESCR TYPE STRING,
TOTAL_PCSTA_DESCR TYPE STRING,
TOTAL_DGSTA_DESCR TYPE STRING,
TOTAL_SDSSTA_DESCR TYPE STRING,
DP_CLEAR_STA_DESCR TYPE STRING,
TOTAL_EMCST_DESCR TYPE STRING,
TOTAL_SLCST_DESCR TYPE STRING,
TOTAL_LCCST_DESCR TYPE STRING,
BOB_STATUS_DESCR TYPE STRING,
TOT_DELIV_RELTD_BILLG_STA_DESC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VBAK_STATUS_DESCR_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_VBAK_STATUS_DESCR_STR-APM_APPROVAL_STATUS_DESCR sy-vline 
WA_VBAK_STATUS_DESCR_STR-APM_APPROVAL_REASON_DESCR sy-vline 
WA_VBAK_STATUS_DESCR_STR-TOTAL_PCSTA_DESCR sy-vline 
WA_VBAK_STATUS_DESCR_STR-TOTAL_DGSTA_DESCR sy-vline 
WA_VBAK_STATUS_DESCR_STR-TOTAL_SDSSTA_DESCR sy-vline 
WA_VBAK_STATUS_DESCR_STR-DP_CLEAR_STA_DESCR sy-vline 
WA_VBAK_STATUS_DESCR_STR-TOTAL_EMCST_DESCR sy-vline 
WA_VBAK_STATUS_DESCR_STR-TOTAL_SLCST_DESCR sy-vline 
WA_VBAK_STATUS_DESCR_STR-TOTAL_LCCST_DESCR sy-vline 
WA_VBAK_STATUS_DESCR_STR-BOB_STATUS_DESCR sy-vline 
WA_VBAK_STATUS_DESCR_STR-TOT_DELIV_RELTD_BILLG_STA_DESC sy-vline      INTO ld_text SEPARATED BY SPACE.

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