ABAP Select data from SAP table VIREP_MV_KONHIS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VIREP_MV_KONHIS
*  INTO TABLE @DATA(IT_VIREP_MV_KONHIS2).
*--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_VIREP_MV_KONHIS INDEX 1 INTO DATA(WA_VIREP_MV_KONHIS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VIREP_MV_KONHIS>-OBART = 1.
<VIREP_MV_KONHIS>-BUKRS = 1.
<VIREP_MV_KONHIS>-SMIVE = 1.
<VIREP_MV_KONHIS>-OBJTXT = 1.
<VIREP_MV_KONHIS>-OBJNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VIREP_MV_KONHIS-SKOART, sy-vline,
  WA_VIREP_MV_KONHIS-XKOARTM, sy-vline,
  WA_VIREP_MV_KONHIS-DGUEL_KP, sy-vline,
  WA_VIREP_MV_KONHIS-SWHRKOND, sy-vline,
  WA_VIREP_MV_KONHIS-JBMONAT, sy-vline,
  WA_VIREP_MV_KONHIS-BKOND, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VIREP_MV_KONHIS 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_VIREP_MV_KONHIS 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_VIREP_MV_KONHIS INTO WA_VIREP_MV_KONHIS.


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

*Conversion exit CUNIT, internal->external for field FEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VIREP_MV_KONHIS-FEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIREP_MV_KONHIS-FEINS.
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_VIREP_MV_KONHIS_STR, 
OBART TYPE STRING,
BUKRS TYPE STRING,
SMIVE TYPE STRING,
OBJTXT TYPE STRING,
OBJNR TYPE STRING,
SKOART TYPE STRING,
XKOARTM TYPE STRING,
DGUEL_KP TYPE STRING,
SWHRKOND TYPE STRING,
JBMONAT TYPE STRING,
BKOND TYPE STRING,
VVAENBETRKO TYPE STRING,
SKOPO TYPE STRING,
DMIBEG TYPE STRING,
DMIEND TYPE STRING,
DKUEZU TYPE STRING,
XMBEZ TYPE STRING,
DGUEL_BIS TYPE STRING,
AMMRHY TYPE STRING,
SFLART TYPE STRING,
XKFLART TYPE STRING,
FQMFLART TYPE STRING,
FEINS TYPE STRING,
BKONDPROFEINS TYPE STRING,
MWSKZ TYPE STRING,
TEXT1 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VIREP_MV_KONHIS_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_VIREP_MV_KONHIS_STR-OBART sy-vline 
WA_VIREP_MV_KONHIS_STR-BUKRS sy-vline 
WA_VIREP_MV_KONHIS_STR-SMIVE sy-vline 
WA_VIREP_MV_KONHIS_STR-OBJTXT sy-vline 
WA_VIREP_MV_KONHIS_STR-OBJNR sy-vline 
WA_VIREP_MV_KONHIS_STR-SKOART sy-vline 
WA_VIREP_MV_KONHIS_STR-XKOARTM sy-vline 
WA_VIREP_MV_KONHIS_STR-DGUEL_KP sy-vline 
WA_VIREP_MV_KONHIS_STR-SWHRKOND sy-vline 
WA_VIREP_MV_KONHIS_STR-JBMONAT sy-vline 
WA_VIREP_MV_KONHIS_STR-BKOND sy-vline 
WA_VIREP_MV_KONHIS_STR-VVAENBETRKO sy-vline 
WA_VIREP_MV_KONHIS_STR-SKOPO sy-vline 
WA_VIREP_MV_KONHIS_STR-DMIBEG sy-vline 
WA_VIREP_MV_KONHIS_STR-DMIEND sy-vline 
WA_VIREP_MV_KONHIS_STR-DKUEZU sy-vline 
WA_VIREP_MV_KONHIS_STR-XMBEZ sy-vline 
WA_VIREP_MV_KONHIS_STR-DGUEL_BIS sy-vline 
WA_VIREP_MV_KONHIS_STR-AMMRHY sy-vline 
WA_VIREP_MV_KONHIS_STR-SFLART sy-vline 
WA_VIREP_MV_KONHIS_STR-XKFLART sy-vline 
WA_VIREP_MV_KONHIS_STR-FQMFLART sy-vline 
WA_VIREP_MV_KONHIS_STR-FEINS sy-vline 
WA_VIREP_MV_KONHIS_STR-BKONDPROFEINS sy-vline 
WA_VIREP_MV_KONHIS_STR-MWSKZ sy-vline 
WA_VIREP_MV_KONHIS_STR-TEXT1 sy-vline      INTO ld_text SEPARATED BY SPACE.

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