ABAP Select data from SAP table V_VIGWVOBW_GRA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_VIGWVOBW_GRA
*  INTO TABLE @DATA(IT_V_VIGWVOBW_GRA2).
*--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_V_VIGWVOBW_GRA INDEX 1 INTO DATA(WA_V_VIGWVOBW_GRA2).


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

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

ENDLOOP.

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

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


*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_V_VIGWVOBW_GRA-SWENR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_VIGWVOBW_GRA-SWENR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit SGRNR, internal->external for field SGRNR
CALL FUNCTION 'CONVERSION_EXIT_SGRNR_OUTPUT'
  EXPORTING
    input =                      WA_V_VIGWVOBW_GRA-SGRNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_VIGWVOBW_GRA-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_V_VIGWVOBW_GRA_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,
BUTXT TYPE STRING,
XWETEXT TYPE STRING,
XGETXT TYPE STRING,
FLAGTXT TYPE STRING,
RAAATXT TYPE STRING,
XKOARTL TYPE STRING,
MWMARKT TYPE STRING,
MWKOSTN TYPE STRING,
MWLEERS TYPE STRING,
WHRMKLBW TYPE STRING,
WAERS_WE TYPE STRING,
WAERS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_VIGWVOBW_GRA_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_V_VIGWVOBW_GRA_STR-MANDT sy-vline 
WA_V_VIGWVOBW_GRA_STR-BUKRS sy-vline 
WA_V_VIGWVOBW_GRA_STR-SWENR sy-vline 
WA_V_VIGWVOBW_GRA_STR-SGENR sy-vline 
WA_V_VIGWVOBW_GRA_STR-SGRNR sy-vline 
WA_V_VIGWVOBW_GRA_STR-FLAG sy-vline 
WA_V_VIGWVOBW_GRA_STR-SKOART sy-vline 
WA_V_VIGWVOBW_GRA_STR-SFLAA sy-vline 
WA_V_VIGWVOBW_GRA_STR-SRAAA sy-vline 
WA_V_VIGWVOBW_GRA_STR-SDGUELBIS sy-vline 
WA_V_VIGWVOBW_GRA_STR-SVERSION sy-vline 
WA_V_VIGWVOBW_GRA_STR-DGUELAB sy-vline 
WA_V_VIGWVOBW_GRA_STR-BUTXT sy-vline 
WA_V_VIGWVOBW_GRA_STR-XWETEXT sy-vline 
WA_V_VIGWVOBW_GRA_STR-XGETXT sy-vline 
WA_V_VIGWVOBW_GRA_STR-FLAGTXT sy-vline 
WA_V_VIGWVOBW_GRA_STR-RAAATXT sy-vline 
WA_V_VIGWVOBW_GRA_STR-XKOARTL sy-vline 
WA_V_VIGWVOBW_GRA_STR-MWMARKT sy-vline 
WA_V_VIGWVOBW_GRA_STR-MWKOSTN sy-vline 
WA_V_VIGWVOBW_GRA_STR-MWLEERS sy-vline 
WA_V_VIGWVOBW_GRA_STR-WHRMKLBW sy-vline 
WA_V_VIGWVOBW_GRA_STR-WAERS_WE sy-vline 
WA_V_VIGWVOBW_GRA_STR-WAERS sy-vline      INTO ld_text SEPARATED BY SPACE.

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