ABAP Select data from SAP table VIGW_R_MASTERDATA_ARCH into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VIGW_R_MASTERDATA_ARCH
*  INTO TABLE @DATA(IT_VIGW_R_MASTERDATA_ARCH2).
*--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_VIGW_R_MASTERDATA_ARCH INDEX 1 INTO DATA(WA_VIGW_R_MASTERDATA_ARCH2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VIGW_R_MASTERDATA_ARCH-SRAUMEXT, sy-vline,
  WA_VIGW_R_MASTERDATA_ARCH-DGUELAB, sy-vline,
  WA_VIGW_R_MASTERDATA_ARCH-DGUELBIS, sy-vline,
  WA_VIGW_R_MASTERDATA_ARCH-SRAART, sy-vline,
  WA_VIGW_R_MASTERDATA_ARCH-FLOT, sy-vline,
  WA_VIGW_R_MASTERDATA_ARCH-FLOTTXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VIGW_R_MASTERDATA_ARCH 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_VIGW_R_MASTERDATA_ARCH 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_VIGW_R_MASTERDATA_ARCH INTO WA_VIGW_R_MASTERDATA_ARCH.


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

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

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

*Conversion exit CUNIT, internal->external for field FEINH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VIGW_R_MASTERDATA_ARCH-FEINH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIGW_R_MASTERDATA_ARCH-FEINH.
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_VIGW_R_MASTERDATA_ARCH_STR, 
BUKRS TYPE STRING,
SWENR TYPE STRING,
SGRNR TYPE STRING,
SGENR TYPE STRING,
FLID TYPE STRING,
SRAUMEXT TYPE STRING,
DGUELAB TYPE STRING,
DGUELBIS TYPE STRING,
SRAART TYPE STRING,
FLOT TYPE STRING,
FLOTTXT TYPE STRING,
XBEZ TYPE STRING,
XDOORBEZ TYPE STRING,
XRAARTL TYPE STRING,
FLKGR TYPE STRING,
FEINH TYPE STRING,
FLAGTXT TYPE STRING,
FLAG TYPE STRING,
INTRENO TYPE STRING,
INTRENOAR TYPE STRING,
TYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VIGW_R_MASTERDATA_ARCH_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_VIGW_R_MASTERDATA_ARCH_STR-BUKRS sy-vline 
WA_VIGW_R_MASTERDATA_ARCH_STR-SWENR sy-vline 
WA_VIGW_R_MASTERDATA_ARCH_STR-SGRNR sy-vline 
WA_VIGW_R_MASTERDATA_ARCH_STR-SGENR sy-vline 
WA_VIGW_R_MASTERDATA_ARCH_STR-FLID sy-vline 
WA_VIGW_R_MASTERDATA_ARCH_STR-SRAUMEXT sy-vline 
WA_VIGW_R_MASTERDATA_ARCH_STR-DGUELAB sy-vline 
WA_VIGW_R_MASTERDATA_ARCH_STR-DGUELBIS sy-vline 
WA_VIGW_R_MASTERDATA_ARCH_STR-SRAART sy-vline 
WA_VIGW_R_MASTERDATA_ARCH_STR-FLOT sy-vline 
WA_VIGW_R_MASTERDATA_ARCH_STR-FLOTTXT sy-vline 
WA_VIGW_R_MASTERDATA_ARCH_STR-XBEZ sy-vline 
WA_VIGW_R_MASTERDATA_ARCH_STR-XDOORBEZ sy-vline 
WA_VIGW_R_MASTERDATA_ARCH_STR-XRAARTL sy-vline 
WA_VIGW_R_MASTERDATA_ARCH_STR-FLKGR sy-vline 
WA_VIGW_R_MASTERDATA_ARCH_STR-FEINH sy-vline 
WA_VIGW_R_MASTERDATA_ARCH_STR-FLAGTXT sy-vline 
WA_VIGW_R_MASTERDATA_ARCH_STR-FLAG sy-vline 
WA_VIGW_R_MASTERDATA_ARCH_STR-INTRENO sy-vline 
WA_VIGW_R_MASTERDATA_ARCH_STR-INTRENOAR sy-vline 
WA_VIGW_R_MASTERDATA_ARCH_STR-TYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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