ABAP Select data from SAP table VIGWVOBW_UPD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VIGWVOBW_UPD
*  INTO TABLE @DATA(IT_VIGWVOBW_UPD2).
*--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_VIGWVOBW_UPD INDEX 1 INTO DATA(WA_VIGWVOBW_UPD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VIGWVOBW_UPD>-MANDT = 1.
<VIGWVOBW_UPD>-BUKRS = 1.
<VIGWVOBW_UPD>-SWENR = 1.
<VIGWVOBW_UPD>-SGENR = 1.
<VIGWVOBW_UPD>-SGRNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VIGWVOBW_UPD-FLAG, sy-vline,
  WA_VIGWVOBW_UPD-SKOART, sy-vline,
  WA_VIGWVOBW_UPD-SFLAA, sy-vline,
  WA_VIGWVOBW_UPD-SRAAA, sy-vline,
  WA_VIGWVOBW_UPD-SDGUELBIS, sy-vline,
  WA_VIGWVOBW_UPD-SVERSION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VIGWVOBW_UPD 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_VIGWVOBW_UPD 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_VIGWVOBW_UPD INTO WA_VIGWVOBW_UPD.


*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 SWENR, internal->external for field SWENR
CALL FUNCTION 'CONVERSION_EXIT_SWENR_OUTPUT'
  EXPORTING
    input =                      WA_VIGWVOBW_UPD-SWENR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIGWVOBW_UPD-SWENR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit SGRNR, internal->external for field SGRNR
CALL FUNCTION 'CONVERSION_EXIT_SGRNR_OUTPUT'
  EXPORTING
    input =                      WA_VIGWVOBW_UPD-SGRNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIGWVOBW_UPD-SGRNR.
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_VIGWVOBW_UPD_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
SWENR TYPE STRING,
SGENR TYPE STRING,
SGRNR TYPE STRING,
FLAG TYPE STRING,
SKOART TYPE STRING,
SFLAA TYPE STRING,
SRAAA TYPE STRING,
SDGUELBIS TYPE STRING,
SVERSION TYPE STRING,
DGUELAB TYPE STRING,
DGUELAB_UPD TYPE STRING,
MWMARKT TYPE STRING,
MWMARKT_UPD TYPE STRING,
MWKOSTN TYPE STRING,
MWKOSTN_UPD TYPE STRING,
MWLEERS TYPE STRING,
MWLEERS_UPD TYPE STRING,
WHRMKLBW TYPE STRING,
WHRMKLBW_UPD TYPE STRING,
AENDKENNZ TYPE STRING,
STATUS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VIGWVOBW_UPD_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_VIGWVOBW_UPD_STR-MANDT sy-vline 
WA_VIGWVOBW_UPD_STR-BUKRS sy-vline 
WA_VIGWVOBW_UPD_STR-SWENR sy-vline 
WA_VIGWVOBW_UPD_STR-SGENR sy-vline 
WA_VIGWVOBW_UPD_STR-SGRNR sy-vline 
WA_VIGWVOBW_UPD_STR-FLAG sy-vline 
WA_VIGWVOBW_UPD_STR-SKOART sy-vline 
WA_VIGWVOBW_UPD_STR-SFLAA sy-vline 
WA_VIGWVOBW_UPD_STR-SRAAA sy-vline 
WA_VIGWVOBW_UPD_STR-SDGUELBIS sy-vline 
WA_VIGWVOBW_UPD_STR-SVERSION sy-vline 
WA_VIGWVOBW_UPD_STR-DGUELAB sy-vline 
WA_VIGWVOBW_UPD_STR-DGUELAB_UPD sy-vline 
WA_VIGWVOBW_UPD_STR-MWMARKT sy-vline 
WA_VIGWVOBW_UPD_STR-MWMARKT_UPD sy-vline 
WA_VIGWVOBW_UPD_STR-MWKOSTN sy-vline 
WA_VIGWVOBW_UPD_STR-MWKOSTN_UPD sy-vline 
WA_VIGWVOBW_UPD_STR-MWLEERS sy-vline 
WA_VIGWVOBW_UPD_STR-MWLEERS_UPD sy-vline 
WA_VIGWVOBW_UPD_STR-WHRMKLBW sy-vline 
WA_VIGWVOBW_UPD_STR-WHRMKLBW_UPD sy-vline 
WA_VIGWVOBW_UPD_STR-AENDKENNZ sy-vline 
WA_VIGWVOBW_UPD_STR-STATUS sy-vline      INTO ld_text SEPARATED BY SPACE.

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