ABAP Select data from SAP table RELR_VIGBV into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RELR_VIGBV
*  INTO TABLE @DATA(IT_RELR_VIGBV2).
*--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_RELR_VIGBV INDEX 1 INTO DATA(WA_RELR_VIGBV2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RELR_VIGBV>-MANDT = 1.
<RELR_VIGBV>-SGRUNDB = 1.
<RELR_VIGBV>-SBVNR = 1.
<RELR_VIGBV>-SLFDBV = 1.
<RELR_VIGBV>-FLINTRENO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RELR_VIGBV-MITEIGTZ, sy-vline,
  WA_RELR_VIGBV-MITEIGTN, sy-vline,
  WA_RELR_VIGBV-LSBNR, sy-vline,
  WA_RELR_VIGBV-STRICH, sy-vline,
  WA_RELR_VIGBV-ROETUNG, sy-vline,
  WA_RELR_VIGBV-ZU, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RELR_VIGBV 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_RELR_VIGBV 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_RELR_VIGBV INTO WA_RELR_VIGBV.


*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 CUNIT, internal->external for field EINHEIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RELR_VIGBV-EINHEIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RELR_VIGBV-EINHEIT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field EIG_ERB
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RELR_VIGBV-EIG_ERB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RELR_VIGBV-EIG_ERB.
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_RELR_VIGBV_STR, 
MANDT TYPE STRING,
SGRUNDB TYPE STRING,
SBVNR TYPE STRING,
SLFDBV TYPE STRING,
FLINTRENO TYPE STRING,
MITEIGTZ TYPE STRING,
MITEIGTN TYPE STRING,
LSBNR TYPE STRING,
STRICH TYPE STRING,
ROETUNG TYPE STRING,
ZU TYPE STRING,
ALT TYPE STRING,
ZU_SEL TYPE STRING,
ALT_SEL TYPE STRING,
FLAECHE TYPE STRING,
EINHEIT TYPE STRING,
DATE_ROETUNG TYPE STRING,
BEMERKUNG TYPE STRING,
FLUR TYPE STRING,
GBBEZ_ERB TYPE STRING,
BLATTNR_ERB TYPE STRING,
BANDNR_ERB TYPE STRING,
LFD_ABT_2_ERB TYPE STRING,
EIG_ERB TYPE STRING,
DATBEWILL_ERB TYPE STRING,
DATEINTRAG_ERB TYPE STRING,
DATBEFRIST_ERB TYPE STRING,
LAUFZEIT_ERB TYPE STRING,
EIG_NAME_ERB TYPE STRING,
EIG_NAME1_ERB TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RELR_VIGBV_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_RELR_VIGBV_STR-MANDT sy-vline 
WA_RELR_VIGBV_STR-SGRUNDB sy-vline 
WA_RELR_VIGBV_STR-SBVNR sy-vline 
WA_RELR_VIGBV_STR-SLFDBV sy-vline 
WA_RELR_VIGBV_STR-FLINTRENO sy-vline 
WA_RELR_VIGBV_STR-MITEIGTZ sy-vline 
WA_RELR_VIGBV_STR-MITEIGTN sy-vline 
WA_RELR_VIGBV_STR-LSBNR sy-vline 
WA_RELR_VIGBV_STR-STRICH sy-vline 
WA_RELR_VIGBV_STR-ROETUNG sy-vline 
WA_RELR_VIGBV_STR-ZU sy-vline 
WA_RELR_VIGBV_STR-ALT sy-vline 
WA_RELR_VIGBV_STR-ZU_SEL sy-vline 
WA_RELR_VIGBV_STR-ALT_SEL sy-vline 
WA_RELR_VIGBV_STR-FLAECHE sy-vline 
WA_RELR_VIGBV_STR-EINHEIT sy-vline 
WA_RELR_VIGBV_STR-DATE_ROETUNG sy-vline 
WA_RELR_VIGBV_STR-BEMERKUNG sy-vline 
WA_RELR_VIGBV_STR-FLUR sy-vline 
WA_RELR_VIGBV_STR-GBBEZ_ERB sy-vline 
WA_RELR_VIGBV_STR-BLATTNR_ERB sy-vline 
WA_RELR_VIGBV_STR-BANDNR_ERB sy-vline 
WA_RELR_VIGBV_STR-LFD_ABT_2_ERB sy-vline 
WA_RELR_VIGBV_STR-EIG_ERB sy-vline 
WA_RELR_VIGBV_STR-DATBEWILL_ERB sy-vline 
WA_RELR_VIGBV_STR-DATEINTRAG_ERB sy-vline 
WA_RELR_VIGBV_STR-DATBEFRIST_ERB sy-vline 
WA_RELR_VIGBV_STR-LAUFZEIT_ERB sy-vline 
WA_RELR_VIGBV_STR-EIG_NAME_ERB sy-vline 
WA_RELR_VIGBV_STR-EIG_NAME1_ERB sy-vline      INTO ld_text SEPARATED BY SPACE.

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